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Publication Title

classiccomputers.info AnyConnect Secure Mobility Client Administrator Guide, Release 4.6

Chapter Title

Connumber Netoccupational Access Manager


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About Network-related Access ManagerSingle Sign On “Single User” EnforcementNetwork Access Manager ProfileNetworks, Security Level PageConnumber an Authenticating NetworkNetworks, User or Machine Authentication PageEAP-TTLSPEAP OptionsEAP-FAST SettingsDefine Networks CredentialsConfigure Machine Credentials Close
Connumber Network-related Access Manager

This chapter offers a review of the Netoccupational Access Manager configuration and also offers instructions for including and also configuring user policies and netjob-related propapers.

About Network Access Manager

Netoccupational Access Manager is client software program that offers a secure Layer 2 netjob-related in accordance through its plans. It detects and selects the optimal Layer 2 accessibility network and perdevelops tool authentication for access to both wired and also wiremuch less netfunctions. Network-related Access Manager manperiods user and also tool identification and also the netjob-related access protocols forced for secure accessibility. It functions intelligently to proccasion end customers from making relationships that are in violation of administrator-defined policies.

The Network-related Access Manager is designed to be single homed, allowing just one netoccupational connection at a time. Also, wired relationships have actually greater priority than wireless so that if you are plugged into the network via a wired connection, the wiremuch less adapter becomes disabled through no IP attend to.

If your wired or wireless network settings or certain SSIDs are puburned from a team plan, they can dispute with the appropriate procedure of the Netjob-related Access Manager. With the Network-related Access Manager mounted, a group plan for wiremuch less settings is not sustained.

Note

Netoccupational Access Manager is not supported on Mac OS X or Linux.

Note

If you are utilizing ISE posture on a Windows OS, Netjob-related Access Manager need to be set up before beginning AnyConnect ISE posture.

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The Network-related Access Manager component of the classiccomputers.info AnyConnect Secure Mobility Client supports the following main features:

Wired (IEEE 802.3) and wiremuch less (IEEE 802.11) netoccupational adapters.

Some Mobile Broadband (3G) network adapters with Windows 7 or later on. (Requires a WAN adapter that supports Microsoft Mobile Broadband APIs.)

Pre-login authentication making use of Windows machine credentials.

Single sign-on user authentication utilizing Windows logon credentials.

Simplified IEEE 802.1X configuration.

IEEE MACsec wired encryption and also enterpincrease plan manage.

EAP methods:

EAP-FAST, PEAP, EAP-TTLS, EAP-TLS, and LEAP (EAP-MD5, EAP-GTC, and also EAP-MSCHAPv2 for IEEE 802.3 wired only).

Inner EAP methods:

PEAP—EAP-GTC, EAP-MSCHAPv2, and also EAP-TLS.

EAP-TTLS—EAP-MD5 and EAP-MSCHAPv2 and also heritage techniques (PAP, CHAP, MSCHAP, and also MSCHAPv2).

EAP-FAST—GTC, EAP-MSCHAPv2, and EAP-TLS.

Encryption modes—Static WEP (Open or Shared), dynamic WEP, TKIP, and also AES.

Key facility protocols—WPA, WPA2/802.11i.

AnyConnect supports smartcard-offered credentials in the following environments:

Microsoft CAPI 1.0 and CAPI 2.0 (CNG) on Windows.

Windows logon does not assistance ECDSA certificates; therefore, the Network-related Access Manager Single Sign-On (SSO) does not assistance ECDSA client certificates.

Suite B and FIPS

The adhering to functions are FIPS-certified on Windows 7 or later on, and also any exceptions are listed:

ACS and ISE execute not support Suite B, however FreeRADIUS 2.x through OpenSSL 1.x does. Microsoft NPS 2008 supports Suite B in part (the NPS certificate still has to be RSA).

802.1X/EAP supports the transitional Suite B profile just (as characterized in RFC 5430). TLS 1.2 is not sustained.

MACsec is FIPS-compliant.

Elliptic Curve Diffie-Hellmale (ECDH) vital exadjust is supported.

ECDSA client certificates are sustained.

ECDSA CA certificates in the OS keep are supported.

ECDSA CA certificates in the network profile (PEM encoded) are sustained.

Server’s ECDSA certificate chain verification is supported.

Single Sign On “Single User” Enforcement

Microsoft Windows allows multiple individuals to be logged on conpresently, however classiccomputers.info AnyConnect Network-related Access Manager restricts network-related authentication to a single user. AnyConnect Netoccupational Access Manager deserve to be active for one user per desktop or server, regardmuch less of exactly how many type of users are logged on. Single user login enforcement indicates that just one user have the right to be logged in to the system at any one time and also that administrators cannot force the presently logged-in user to log off.

When the Network Access Manager client module is installed on Windows desktops, the default habits is to enforce single user logon. When installed on servers, the default habits is to relax the single user login enforcement. In either instance, you deserve to modify or add a registry to readjust the default habits.

Restrictions

Windows administrators are restricted from forcing presently logged-on individuals to log off.

RDP to a associated workstation is sustained for the very same user.

To be thought about the very same user, credentials should be in the exact same format. For instance, user/example is not the same as user
example.com.

Smart-card individuals have to also have actually the very same PIN to be considered the exact same user.

Connumber Single Sign-On Single User Enforcement

To readjust how a Windows workstation or server handles multiple customers, adjust the value of EnforceSingleLogon in the regisattempt.

On Windows, the registry crucial is EnforceSingleLogon and is in the same regisattempt location as the OverlayIcon key:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionAuthenticationCredential ProvidersB12744B8-5BB7-463a-B85E-BB7627E73002 To configure single or multiple user logon, include a DWORD named EnforceSingleLogon, and also give it a value of 1 or 0.

For Windows:

1 restricts logon to a solitary user.

0 allows multiple users to be logged on.

Network-related Access Manager Deployment

Netoccupational Access Manager is deployed as component of AnyConnect. For indevelopment about how to install AnyConnect, together with the Netjob-related Access Manager and various other modules, see AnyConnect Deployment Rundown.

Guidelines

After Netoccupational Access Manager is mounted, Windows (Vista and later) requires you to enter credentials twice to create a remote desktop link. The initially time is a pre-login authentication for Windows, and also the second time is for the remote machine"s credential provider.

Confusion about the Windows network-related condition job tray icon—Netoccupational Access Manager overrides Windows network-related management. Because of this, after installing the Netjob-related Access Manager, you cannot use the netjob-related standing symbol to affix to networks.

Recommfinished ActionRemove the Windows network-related symbol from the task tray by establishing Rerelocate the networking icon in a Windows team policy. This setting affects only the tray symbol. The user have the right to still produce aboriginal wiremuch less netfunctions utilizing the Control Panel.

Hidden networks and also network-related selection for Windows 7 or later—Netoccupational Access Manager tries to attach to only the netfunctions that are configured in the Netjob-related Access Manager netoccupational scan list.

On Windows 7 or later on, the Network-related Access Manager probes for concealed SSIDs. When the initially covert SSID is found, it stops looking. When multiple surprise networks are configured, the Netoccupational Access Manager selects the SSID as follows:

The initially administrator-defined surprise corpoprice network-related. The default configuration for workstations is 1; the default for servers is 0.

The administrator-identified concealed netjob-related.

The initially user-identified concealed netoccupational. classiccomputers.info recommends having actually only one covert corporate network at your site, because the Network Access Manager can probe just one non-broadcasting SSID at a time.

Momentary loss of netoccupational connectivity or much longer link times—If you defined netfunctions in Windows before the Network Access Manager was mounted, the Windows link manager might occasionally try to make a link to that network-related.

Recommended ActionWhen the network-related is in range, switch off Connect Automatically for all Windows-defined netfunctions or delete all the Windows-defined netfunctions.

The Netoccupational Access Manager module have the right to be configured to convert some existing Windows 7 or later on wireless profiles to the Network Access Manager profile format once the module is mounted on the client mechanism for the initially time. Infrastructure netfunctions that enhance the complying with criteria can be converted:

Open

Static WEP

WPA/WPA2 Personal

Only non-GPO aboriginal Wi-Fi user network-related prorecords are converted.

WLAN services need to be running on the system during profile conversion.

Convariation will certainly not be done if a Network-related Access Manager XML configuration file currently exists (userConfiguration.xml).

To allow network-related profile conversion, produce an MSI transdevelop that sets the PROFILE_CONVERSION home value to 1, and use it to the MSI package. Or change the PROFILE_CONVERSION home to 1 in the command line, and install the MSI package. For example, msiexec /i anyconnect-nam-win-3.1.xxxxx-k9.msi PROFILE_CONVERSION=1.

You need to install the Network-related Access Manager prior to ISE Posture starts. ISE Posture supplies the Netoccupational Access Manager plugin to detect the netjob-related change events and also 802.1x WiFi.

Disable DHCP Connectivity Testing

When a netjob-related is configured to use dynamic IP addresses, the Windows OS service tries to create connectivity using DHCP. However before, the operating device procedure deserve to take approximately 2 minutes before it educates the Network Access Manager that it has actually completed a DHCP transactivity. The Netjob-related Access Manager triggers DHCP transactions, in enhancement to the OS DHCP transactions, to protect against lengthy delays in establishing connectivity through the OS and also to verify netoccupational connectivity.

When you desire to disable the usage of DHCP transactions by NAM for connectivity experimentation, include the adhering to regisattempt vital as a DWORD and set the value as indicated:

64-little bit Windows—HKEY_LOCAL_MACHINESOFTWAREWow6432Nodeclassiccomputers.infoclassiccomputers.info AnyConnect Network Access ManagerDisableDHCP collection to 1

32-bit Windows—HKEY_LOCAL_MACHINESOFTWAREclassiccomputers.infoclassiccomputers.info AnyConnect Netjob-related Access ManagerDisableDHCP set to 1

Note

We strongly discourage versus disabling the Network Access Manager DHCP connectivity test because it often results in a much longer connectivity time.

Network Access Manager Profile

Netjob-related Access Manager propapers are configured in the Netjob-related Access Manager profile editor, which is available in the ASDM and likewise as a stand-alone Windows application.

Client Policy Window

Connection Setups

The Client Policy home window permits you to connumber the client plan alternatives. The adhering to sections are included:

Enables you to define whether a network-related link is attempted before or after the user logs on.

Default Connection Timeout—The number of secs to use as the connection timeout for user-developed netfunctions. The default value is 40 secs.

Before User Logon—Connect to the netjob-related prior to the user logs on. The user-logon forms that are sustained encompass user account (Kerberos) authentication, loading of user GPOs, and also GPO-based logon script execution. If you choose Before User Logon, you have the right to likewise set Time to Wait Before Allowing a User to Logon.

Time to wait before allowing user to Logon—Specifies the maximum (worst-case) variety of secs to wait for the Network Access Manager to make a complete netoccupational connection. If a network connection cannot be established within this time, the Windows logon process proceeds with user logon. The default is 5 seconds.

Note

If the Netjob-related Access Manager is configured to regulate wireless relations, you should set Time to wait before enabling user to logon to 30 seconds or more because of the extra time that it may require to create a wireless connection. You have to additionally account for the time forced to acquire an IP address through DHCP. If two or even more netoccupational propapers are configured, you should increase the worth to cover 2 or more link attempts.

After User Logon—Connect to the netoccupational after the user logs on to Windows.

Media

Specifies which types of media are controlled by the Netoccupational Access Manager client.

Manage Wi-Fi (wireless) Media—Enables monitoring of Wi-Fi media and also, optionally, validation of a WPA/WPA2 handshake.

The IEEE 802.11i Wiremuch less Netfunctioning traditional states that the supplicant (in this instance, the Netoccupational Access Manager) have to validay the accessibility point’s RSN IE (Robust Secure Netjob-related Information Exchange). The IE is sent in the IEEE 801.X protocol packet’s EAPOL key information throughout vital derivation, and it need to complement the accessibility point’s RSN IE discovered in the beacon/probe response frame.

Enable validation of WPA/WPA2 handshake—Validays a WPA/WPA2 handshake. If unchecked, this optional validation action is skipped.

Note

Some adapters carry out not repetitively provide the access point’s RSN IE, so the authentication attempt fails, and also the client will certainly not affix.

Default Association Timeout (sec)—If you permit the WPA/WPA2 handshake, you should specify the default association timeout.

Manage Wired (IEEE 802.3) Media—Enables administration of wired connections.

Manage Mobile Broadband also (3G) Media—Enables administration of Windows 7 or later Mobile Broadband also Adapters. This feature is disabled by default.

Note

This feature is in a beta release state. classiccomputers.info TAC does not provide assistance for beta releases.

Enable File Roaming—Determines whether to enable data roaming.

End-user Control

Enables you to configure the adhering to manage for users:

Disable Client—Allows users to disable and enable the Netjob-related Access Manager’s monitoring of wired and wiremuch less media using the AnyConnect UI.

Display user groups—Makes user-created teams (produced from CSSC 5.x) visible and qualified of a connection, also though they perform not correspond to administrator-identified groups.

Specify a manuscript or application to run when connected—Allows users to specify a manuscript or application to run as soon as the netjob-related connects.

Note

The scripting settings are specific to one user-configured network and also permit the user to specify a regional file (.exe, .bat, or .cmd) to run as soon as that netjob-related gets to a connected state. To protect against conflicts, the scripting function permits individuals to configure a manuscript or application for only user-characterized netfunctions and not for administrator-identified netfunctions. The function does not permit individuals to transform administrator netfunctions regarding the running of scripts; therefore, the interconfront for administrator networks is not obtainable to the user. Also, if you do not allow individuals to configure a running script, the feature is not seen in the Network-related Access Manager GUI.

Auto-connect—Connects immediately to a netjob-related without a user selecting it. The default is automatic connection.

Administrative Status

Service Operation—If you switch off the service, clients who use this profile will not be able to affix to establish Layer 2 relations.

FIPS Mode—If you permit FIPS mode, the Netoccupational Access Manager performs cryptographic operations in a way that meets the government demands.

Federal Indevelopment Processing Standard (FIPS 140-2 Level 1) is a UNITED STATE federal government standard that states security needs for cryptography modules. FIPS is supported by the Netoccupational Access Manager for MACsec or Wi-Fi, relying on the kind of software application and also hardware.

Table 1. FIPS Support by the Network-related Access Manager

Media/Operating System

Windows 7 or later

Wired through MACsec

FIPS compliant once an Intel HW MACsec capable NIC or any kind of non-hardware MACsec is used

Wi-Fi

Not FIPS compliant

Authentication Policy Window

The Authentication Policy window enables you to create association and also authentication netoccupational filters, which apply to all netjob-related connections. If you execute not check any kind of of the association or authentication settings, the user cannot connect to an authenticating Wi-Fi network-related. If you choose a subcollection of the modes, the user can affix to networks for those forms only. Select each compelled association or authentication mode, or select Select All.

The inner techniques can also be limited to only certain authentication protocols. The inner methods are presented indented under the external approaches (tunneling) in the Allowed Authentication Modes pane.

The system for selecting the authentication protocol is integrated through the current client authentication database. A secure wiremuch less LAN deployment does not call for the production of a brand-new authentication device for individuals.

The EAP techniques available for inner tunneling are based on the inner technique credential type and the external tunneling technique. In the following list, each outer tunnel approach lists the kinds of inner techniques that are sustained for each credential type.

PEAP

Password credentials: EAP-MSCHAPv2 or EAP-GTC

Token credentials: EAP-GTC

Certificate credentials: EAP-TLS

EAP-FAST

Password credentials: EAP-MSCHAPv2 or EAP-GTC

Token credentials: EAP-GTC

Certificate credentials: EAP-TLS

EAP-TTLS

Password credentials: EAP-MSCHAPv2, EAP-MD5, PAP (L), CHAP (L), MSCHAP (L), MSCHAP-v2 (Legacy)

Token credentials: PAP (Legacy). The default token choice that Netoccupational Access Manager supports is PAP, considering that challenge/response techniques are not well suited for token-based authentication.

Certificate credentials: N/A

Netfunctions Window

The Netfunctions window enables you to connumber preidentified netfunctions for your enterpclimb user. You can either connumber netfunctions that are easily accessible to all teams or develop teams via particular networks. The Netfunctions home window displays a wizard that might include panes to the existing home window, and also permits you to advancement to more configuration alternatives by clicking Next.

A group, essentially, is a collection of configured relationships (networks). Every configured link need to belong to a group or be a member of all teams.

Note

For backward compatibility, administrator-created networks deployed with the classiccomputers.info Secure Services Client are treated as surprise netfunctions, which carry out not broadcast SSIDs. However, user netfunctions are treated as netfunctions that broadactors SSIDs.

Only administrators can create a brand-new group. If no teams are characterized in the configuration, the profile editor creates an auto-created group. The auto-created group consists of netfunctions that are not assigned to any type of administrator-identified team. The client attempts to make a network connection using the relationships defined in the active team. Depfinishing on the establishing of the Create Networks choice in the Network Groups window, finish users can add user networks to the energetic group or delete user networks from the active group.

Netfunctions that are identified are obtainable to all teams at the top of the list. Because you manage what netfunctions are in the worldwide netfunctions, you can specify the enterpincrease netfunctions that an end user have the right to attach to, also in the existence of user-identified netfunctions. An finish user cannot modify or remove administrator-configured networks.

Note

End customers may include networks to groups, other than for netfunctions in the globalNetworks area, because these netfunctions exist in all groups, and also they deserve to only be created making use of the profile editor.

A typical end user of an enterpclimb netoccupational does not need knowledge of groups to use this client. The energetic group is the first team in the configuration, yet if just one is easily accessible, the client is unaware and also does not display the active team. However before, if more than one team exists, the UI display screens a list of teams indicating that the energetic group is selected. Users can then choose from the active team, and also the establishing persists across reboots. Depending on the establishing of the Create Netfunctions alternative in the Netjob-related Groups home window, finish individuals deserve to add or delete their very own netfunctions without making use of groups.

Note

A team selection is kept across reboots and network-related repairs (done while right-clicking the tray icon and selecting Network-related Repair). When the Netjob-related Access Manager is repaired or rebegan, it starts using the formerly active group.

Netfunctions, Media Type Page

The Netfunctions home window Media Type web page permits you to develop or modify a wired or a wireless network. The settings differ relying on your alternative.

The complying with sections are included in the initially dialog:

Name—Enter the name that is displayed for this network.

Group Membership—Select to which netoccupational group or teams this profile have to be obtainable.

Netjob-related Media—Select Wired or Wi-Fi (wireless). If you select Wi-Fi, you have the right to also configure the adhering to parameters:

SSID—Go into the SSID (Service Set Identifier) of your wiremuch less netoccupational.

Hidden Network—Allow a connection to a network also if it is not broadcasting its SSID.

Corporate Network—Forces a link to a network-related configured as Corporate first, if one is in proximity. When a corpoprice network offers a non-broadcasting (hidden) SSID, and also is configured as hidden, the Network-related Access Manager actively probes for concealed SSIDs and also establishes the connection once a corporate SSID is in range.

Association Timeout—Get in the size of time that the Network Access Manager waits for association via a specific wiremuch less netjob-related prior to it re-evaluates the accessible networks. The default association timeout is 5 seconds.

Typical Setups

Script or application—Go into the path and filename of the file to run on the local system, or browse to a folder and select one. The adhering to rules apply to scripts and also applications:

Files through .exe, .bat, or .cmd extensions are welcomed.

Users might not alter the manuscript or application defined in an administrator-developed network.

You may specify only the path and script or application filename making use of the profile editor. If the script or application does not exist on a user’s machine, an error message shows up. Users are informed that the script or application does not exist on their machine and that they have to call their device administrator.

You should specify the complete course of the application that you desire to run, unmuch less the application exists in the user’s course. If the application exists in the user’s course, you can specify only the application or script name.

Connection Timeout—Get in the number of seconds that the Netjob-related Access Manager waits for a netoccupational link to be establiburned prior to it tries to attach to another netjob-related (when the connection mode is automatic) or provides an additional adapter.

Note

Some smartcard authentication systems require practically 60 secs to finish an authentication. When using a smartcard, you need to rise the Connection Timeout worth, especially if the smartcard may need to attempt several netfunctions prior to making a effective connection.

Note

To alleviate problems uncovered through certain smart card middleware, the AnyConnect Netoccupational Access Manager verifies smartcard PINs by perdeveloping a signing procedure on test information and also verifying that signature. This test signing is done for each certificate located on a smartcard, and also dependent on the variety of certificates, deserve to add considerable delays to smartcard authentication. If you desire to disable the test signing operation, you have the right to include DisableSmartcardPinVerifyBySigning as a DWORD set to 1 in the regisattempt enattempt at HKEY_LOCAL_MACHINE/SOFTWARE/classiccomputers.info/classiccomputers.info AnyConnect Network-related Access Manager. Any change to permitting this essential must be totally tested through all smartcards and related hardware to ensure proper procedure.

Networks, Security Level Page

In the Security Level page of the Netfunctions wizard, choose Open Netoccupational, Authentication Network, or (shown for wiremuch less network-related media only) Shared Key Netjob-related. The configuration circulation for each of those netjob-related forms is various and is described in the following sections.

Configure an Authenticating Network-related

If you chose Authenticating Netjob-related in the Security Level section, additional panes appear, which are described below. When you are done configuring settings on these panes, click the Next button or pick the Connection Type tab to open up the Network Connection Type dialog.

802.1X Setups Pane

Adsimply the IEEE 802.1X settings according to your netoccupational configuration:

Note

When AnyConnect ISE Posture is mounted with the Network Access Manager, ISE posture provides the Netjob-related Access Manager plugin to detect the netjob-related change events and also 802.1X WiFi.

authPeriod (sec)—When authentication starts, this establishing determines exactly how long the supplicant waits in in between authentication messages prior to it times out and also needs the authenticator to initiate authentication aget.

heldPeriod (sec)—When authentication falls short, this establishing defines exactly how long the supplicant waits prior to an additional authentication attempt can be made.

startPeriod (sec)—The interval, in secs, in between the retransmission of EAPOL-Start messperiods if no response to any type of EAPOL-Start messeras is obtained from the authenticator.

maxStart—The variety of times the supplicant initiates authentication via the authenticator by sfinishing an IEEE 801.X protocol packet, EAPOL crucial data, or EAPoL-Start prior to the supplicant assumes that tbelow is no authenticator present. When this happens, the supplicant allows information traffic.

*
Tip

You have the right to configure a single authenticating wired connection to work-related via both open and authenticating netfunctions by carefully setting the startPeriod and maxStart such that the full time spent trying to initiate authentication is much less than the netjob-related connection timer (startPeriod x maxStart Netoccupational Connection Timer).

Security Pane

Appears only for wired networks.

In the Security pane, pick values for the adhering to parameters:

Key Management—Determine which vital monitoring protocol to use through the MACsec-permitted wired network.

None—No key administration protocols are supplied, and also no wired encryption is percreated.

MKA—The supplicant attempts to negotiate MACsec essential agreement protocol policies and encryption keys. MACsec is MAC-Layer Security, which provides MAC-layer encryption over wired networks. The MACsec protocol represents a way to secure MAC-level frames via encryption and depends on the MACsec Key Commitment (MKA) Entity to negotiate and also distribute the encryption tricks.

Encryption

None—File traffic is integrity-checked however not encrypted.

MACsec: AES-GCM-128—This choice is accessible only if you made a decision MKA for vital monitoring. It causes data website traffic to be encrypted making use of AES-GCM-128.

MACsec: AES-GCM-256—This option is sustained on pick IOS versions through the enterprise edge (eEdge) integration and also is obtainable only if you pick MKA for crucial management. It should complement the establishing on the switch side. By permitting the MACsec 256 encryption conventional, 802.1 AE encryption through MACsec Key Commitment (MKA) is supported on downlink ports for encryption in between a MACsec-capable tool and also hold devices.

See Identity-Based Networking Services: MAC Security for more information.

Port Authentication Exception Policy Pane

This pane shows up only for wired netfunctions.

The Port Authentication Exception Policy pane allows you to tailor the IEEE 802.1X supplicant’s habits throughout the authentication process. If port exceptions are not enabled, the supplicant proceeds its existing actions and also opens up the port only upon successfully completing the full configuration (or as defined earlier in this section, after the maxStarts number of authentications are initiated without a solution from the authenticator). Choose from among the complying with options:

Allow data website traffic before authentication—Allows data web traffic prior to an authentication attempt.

Allow data web traffic after authentication also if:

EAP fails—When selected, the supplicant attempts authentication. If authentication falls short, the supplicant enables data web traffic despite the authentication faitempt.

EAP succeeds but essential monitoring fails—When schosen, the supplicant attempts to negotiate secrets via the essential server yet allows information website traffic if the crucial negotiation stops working for any reason. This setting is valid just as soon as crucial management is configured. If essential management is set to none, the examine box is dimmed out.

Restriction

MACsec requires ACS version 5.1 or later and a MACsec qualified switch. Refer to the Catalyst 3750-X and 3560-X Switch Software Configuration Guide for ACS or switch configuration.

Association Mode

The pane appears only for wiremuch less netfunctions.

Choose the association mode:

WEP

WAP Enterpclimb (TKIP)

WPA Enterprise (AES)

WPA 2 Enterpclimb (TKIP)

WPA 2 Enterpincrease (AES)

CCKM (TKIP)—(requires classiccomputers.info CB21AG Wiremuch less NIC)

CCKM (AES)—(needs classiccomputers.info CB21AG Wiremuch less NIC)

Configure an Open Netoccupational

An open up netoccupational uses no authentication or encryption. Follow these procedures if you want to produce an open (non-secure) netjob-related.

Procedure
Step1

Choose Open Netoccupational from the Security Level page. This choice gives the least secure netjob-related and is recommfinished for guest accessibility wiremuch less netfunctions.

Step2

Click Next off.

Step3

Determine a link type.

Configure a Shared Key Netoccupational

Wi-Fi netfunctions may usage a shared crucial to derive an encryption essential for use once encrypting information between endpoints and netoccupational accessibility points. Using a common crucial via WPA or WPA2 Personal gives a medium-level security course that is suitable for little or home offices.

Note

Shared essential security is not recommended for enterprise wireless networks.

Follow these procedures if you want shared vital network-related as your defense level.

Procedure
Step1

Choose Shared Key Netoccupational.

Step2

Click Next on the Security Level window.

Step3

Specify User Connection or Machine Connection.

Step4

Click Next.

Step5

Shared Key Type—Specify the common key association mode, which determines the common crucial kind. The choices are as follows:

WEP—Legacy IEEE 802.11 open-system association through static WEP encryption.

Shared—Legacy IEEE 802.11 shared-vital association with static WEP encryption.

WPA/WPA2-Personal—A Wi-Fi security protocol that derives encryption keys from a passexpression pre-shared essential (PSK).

Step6

If you made a decision tradition IEEE 802.11 WEP or shared essential, select 40 little bit, 64 little, 104 little bit, or 128 bit. A 40- or 64-little bit WEP essential have to be 5 ASCII characters or 10 hexadecimal digits. A 104- or 128-bit WEP essential need to be 13 ASCII personalities or 26 hex digits.

Step7

If you chose WPA or WPA2 Personal, select the form of encryption to use (TKIP/AES) and then enter a mutual essential. The vital should be entered as 8 to 63 ASCII characters or exactly 64 hexadecimal digits. Choose ASCII if your common vital is composed of ASCII personalities. Choose Hexadecimal if your common essential contains 64 hexadecimal digits.

Step8

Click Done. Then Click OK.

Networks, Netjob-related Connection Type Pane

This section describes the network link type pane of the Netfunctions home window, which adheres to Security Level in the Network-related Access Manager profile editor. Choose one of the adhering to link types:

Machine Connection—The device’s name, as stored in the Windows Active Directory, is offered for authorization. Machine link is frequently provided as soon as user credentials are not forced for a link. Choose this choice if the end terminal need to log on to the network-related even as soon as a user is logged off and also user credentials are unavailable. This option is frequently supplied for connecting to domains and also to gain GPOs and also other updays from the network prior to the user has access.

Note

VPN start prior to login (SBL) fails if no recognized netjob-related is accessible. Network-related prodocuments allowed in SBL mode encompass all media types employing non-802.1X authentication modes, such as open up WEP, WPA/WPA2 Personal, and static vital (WEP) networks. If you configure the Netoccupational Access Manager for Before User Logon and machine link authorization, the Network-related Access Manager asks the user for netjob-related indevelopment, and the VPN SBL succeeds.

User Connection—User credentials are provided for authorization.

If Before User Logon was selected in the Client Policy pane, the Netjob-related Access Manager gathers the user’s credentials after the user enters logon credentials on the Windows begin display screen. Network Access Manager develops the netjob-related link while Windows is beginning the user’s home windows session.

If After User Logon was selected in the Client Policy pane, the Network Access Manager starts the link, after the user logs on to Windows.

When the user logs off, the existing user netjob-related link is terminated. If machine network prodocuments are obtainable, NAM reconnects to a device netjob-related.

Machine and also User Connection—Only accessible as soon as configuring an authenticating netoccupational, as selected in the Security Level pane. Machine ID and also user credentials are both supplied, however, the machine part is valid only when a user is not logged on to the tool. The configuration is the same for the 2 parts, however the authentication form and credentials for machine link have the right to be different from the authentication kind and credentials for the user connection.

Choose this alternative to save the COMPUTER linked to the network-related at all times using the machine connection when a user is not logged in and making use of the user connection when a user has actually logged in.

When EAP-FAST is configured as the EAP technique (in the following pane), EAP chaining is supported. That suggests that the Netoccupational Access Manager verifies that the machine and also the user are known entities, and also are controlled by the corporation.

When you pick the network connection kind, added tabs are shown in the Networks dialog, which allow you to collection EAP methods and credentials for the chosen network connection form.

Networks, User or Machine Authentication Page

After selecting the network-related connection type, select the authentication method(s) for those connection types. After you choose an authentication method, the display is updated to the method that you determined, and you are required to carry out added information.

Note

If you have actually enabled MACsec, encertain that you pick an EAP method that supports MSK essential derivation, such as PEAP, EAP-TLS, or EAP-FAST. Also, even if MACsec is not permitted, utilizing the Network Access Manager reduces MTU from 1500 to 1468 to account for MACsec.

EAP Synopsis

EAP is an IETF RFC that addresses the demands for an authentication protocol to be decoupled from the move protocol transporting it. This decoupling enables the transfer protocols (such as IEEE 802.1X, UDP, or RADIUS) to lug the EAP protocol without transforms to the authentication protocol.

The standard EAP protocol is made up of 4 packet types:

EAP request—The authenticator sends out the request packet to the supplicant. Each research has actually a kind area that indicates what is being requested, such as the supplicant identification and EAP type to usage. A sequence number allows the authenticator and also the peer to complement an EAP response to each EAP repursuit.

EAP response—The supplicant sends out the response packet to the authenticator and supplies a sequence number to match the initiating EAP repursuit. The type of the EAP response primarily matches the EAP request, unless the response is an unfavorable (NAK).

EAP success—The authenticator sends out a success packet to the supplicant upon effective authentication.

EAP failure—The authenticator sends out a faitempt packet to the supplicant if authentication failed.

When EAP is in usage in an IEEE 802.11X system, the access point operates in an EAP pass-with mode. In this mode, the accessibility point checks the code, identifier, and also size areas and also then forwards the EAP packets got from the supplicant to the AAA server. Packets obtained from the AAA server authenticator are forwarded to the supplicant.

EAP-GTC

EAP-GTC is an EAP authentication technique based on easy username and also password authentication. Without making use of the challenge-response technique, both username and password are passed in clear message. This approach is recommended for either inside a tunneling EAP strategy (see tunneling EAP techniques below) or through a One Time Password (OTP).

EAP-GTC does not carry out common authentication. It only authenticates clients, so a rogue server might potentially achieve users’ credentials. If shared authentication is forced, EAP-GTC is provided inside tunneling EAP methods, which gives server authentication.

No keying material is gave by EAP-GTC; therefore, you cannot use this method for MACsec. If keying material for even more web traffic encryption is compelled, EAP-GTC is used inside tunneling EAP approaches, which offers the keying product (and inner and also outer EAP techniques crytobinding, if necessary).

You have actually two password resource options:

Authenticate utilizing a password—Proper only for well-protected wired atmospheres

Authenticate utilizing a token—More secure because of the brief lifetime (typically about 10 seconds) of a token code or OTP

Note

Neither the Network Access Manager, the authenticator, nor the EAP-GTC protocol can differentiate between password and token code. These options impact only the credential’s life time within the Network-related Access Manager. While a password have the right to be remembered till logout or longer, the token code cannot (because the user is prompted for the token code with eincredibly authentication).

If a password is offered for authentication, you have the right to usage this protocol for authentication against the database with hashed passwords considering that it is passed to the authenticator in clear text. We recommend this technique if a possibility of a database leak exists.

EAP-TLS

EAP-Transport Layer Security (EAP-TLS) is an IEEE 802.1X EAP authentication algorithm based upon the TLS protocol (RFC 2246). TLS offers common authentication based on X.509 digital certificates. The EAP-TLS message exadjust gives mutual authentication, cipher suite negotiation, crucial exreadjust, verification in between the client and the authenticating server, and also keying product that have the right to be supplied for web traffic encryption.

The list listed below offers the primary reasons why EAP-TLS client certificates can carry out solid authentication for wired and wiremuch less connections:

Authentication occurs immediately, generally via no treatment by the user.

No dependency on a user password exists.

Digital certificates carry out strong authentication protection.

Post exchange is protected with public essential encryption.

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The certificates are not vulnerable to dictionary strikes.

The authentication process outcomes in a mutually identified key for data encryption and signing.

EAP-TLS contains two options:

Validay Server Certificate—Enables server certificate validation.

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Enable Fast Reconnect—Enables TLS session resumption, which allows for a lot much faster reauthentication by utilizing an abbreviated TLS handshake as lengthy as TLS session data is preserved on both the client and also the server.

Note

The Disable When Using a Smart Card alternative is not obtainable for machine link authentication.

EAP-TTLS

EAP-Tunneled Transport Layer Security (EAP-TTLS) is a two-phase protocol that expands the EAP-TLS usability. Phase 1 conducts a finish TLS session and also derives the session tricks used in Phase 2 to secucount tunnel characteristics in between the server and the client. You have the right to usage the qualities tunneled in the time of Phase 2 to percreate extra authentications making use of a variety of various mechanisms.

Network Access Manager does not support the cryptobinding of the inner and also outer approaches offered in the time of EAP-TTLS authentication. If cryptobinding is compelled, you have to use EAP-FAST. Cryptobinding provides security from a distinct course of man-in-the-middle strikes where an attacker hijacks the user’s link without knowing the credentials.

The authentication mechanisms that have the right to be supplied in the time of Phase 2 include these protocols:

PAP (Password Authentication Protocol)—Uses a two-way handshake to carry out an easy technique for the peer to prove its identification. An ID/Password pair is consistently sent by the peer to the authenticator till authentication is identified or stops working. If mutual authentication is required, you should connumber EAP-TTLS to validay the server’s certificate at Phase 1.

Since a password is passed to the authenticator, you can use this protocol for authentication against a database via hamelted passwords. We recommend this approach as soon as a opportunity of a database leak exists.

Note

You can use EAP-TTLS PAP for token and also OTP-based authentications.

CHAP (Challenge Handshake Authentication Protocol)—Uses a three-means handshake to verify the identity of the peer. If common authentication is forced, you need to connumber EAP-TTLS to validate the server’s certificate at Phase 1. Using this challenge-response strategy, you are required to keep clear message passwords in the authenticator’s database.

MS-CHAP (Microsoft CHAP)—Uses a three-means handshake to verify the identification of the peer. If mutual authentication is required, you have to configure EAP-TTLS to validay the server’s certificate at Phase 1. Using this challenge-response approach based upon the NT-hash of the password, you are compelled to keep either the clear message password or at least the NT-hash of the password in the authenticator’s database.

MS-CHAPv2—Provides shared authentication between peers by including a peer difficulty in the response packet and an authenticator response in the success packet. The client is authenticated before the server. If the server requirements to be authenticated before the client (to proccasion dictionary attacks), you need to configure EAP-TTLS to validay the server’s certificate at Phase 1. Using this challenge-response technique based upon the NT-hash of the password, you are compelled to save either the clear text password or at least the NT-hash of the password in the authenticator’s database.

Configure EAP-TTLS

EAP—Allows usage of the following EAP methods:

EAP-MD5 (EAP Article Digest 5)—Uses a three-means handshake to verify the peer’s identity (comparable to CHAP). Using this challenge-response method, you are compelled to store the clear message password in the authenticator’s database.

EAP-MSCHAPv2—Uses a three-method handshake to verify the identity of the peer. The client is authenticated before the server. If the server needs to be authenticated prior to the client (such as for the avoidance of a dictionary attack), you need to connumber EAP-TTLS to validate the server’s certificate at Phase 1. Using this challenge-response strategy on the NT-hash of the password, you are compelled to save either the clear text password or at least the NT-hash of the password in the authenticator’s database.

EAP-TTLS Setups

Validay Server Identity—Enables server certificate validation.

Note

If you permit this, make sure that the server certificate installed on your RADIUS server contains the Extended Key Usage (EKU) of Server Authentication. When the RADIUS server sends out its configured certificate to the client during authentication, it must have actually this Server Authentication establishing for network access and also authentication.

Enable Fast Reconnect—Enables external TLS session resumption just, regardless of whether the inner authentication is skipped or is controlled by the authenticator.

Note

Disable When Using a Smart Card is not available on machine link authentication.

Inner Methods—Specifies the inner methods provided after the TLS tunnel is developed. Available only for Wi-Fi Media Type.

PEAP Options

Protected EAP (PEAP) is a tunneling TLS-based EAP strategy. It provides TLS for server authentication prior to the client authentication for the encrypting of inner authentication approaches. The inner authentication occurs inside a trusted cryptographically safeguarded tunnel and supports a range of different inner authentication approaches, consisting of certificates, tokens, and passwords. Netjob-related Access Manager does not assistance the cryptobinding of the inner and external methods offered throughout PEAP authentication. If cryptobinding is compelled, you need to usage EAP-FAST. Cryptobinding provides protection from a unique class of man-in-the-middle attacks wright here an attacker hijacks the user’s link without learning the credentials.

PEAP protects the EAP techniques by providing these services:

TLS tunnel production for the EAP packets

Blog post authentication

Article encryption

Authentication of server to client

You deserve to usage these authentication methods:

Authenticate utilizing a password

EAP-MSCHAPv2—Uses a three-means handshake to verify the identification of the peer. The client is authenticated before the server. If the server requirements to be authenticated prior to the client (such as for the avoidance of a dictionary attack), you have to configure PEAP to validay the server’s certificate. Using the challenge-response strategy based upon the NT-hash of the password, you are required to keep either the clear text password or at leastern the NT-hash of the password in the authenticator’s database.

EAP-GTC (EAP Generic Token Card)—Defines an EAP envelope to carry the username and also password. If common authentication is compelled, you have to connumber PEAP to validate the server’s certificate. Because the password is passed to the authenticator in clear text, you deserve to use this protocol for authentication versus the database through haburned passwords. We recommend this method if a possibility of a database leak exists.

EAP-TLS, making use of a certificate

EAP-TLS—Defines an EAP envelope to carry the user certificate. In order to protect against a man-in-the-middle strike (the hijacking of a valid user’s connection), we recommfinish that you do not mix PEAP (EAP-TLS) and EAP-TLS profiles expected for authentication against the same authenticator. You must configure the authenticator accordingly (not enabling both plain and also tunneled EAP-TLS).

Configure PEAP

PEAP-EAP settings

Validate Server Identity—Enables server certificate validation.

Note

If you allow this, make certain that the server certificate set up on your RADIUS server consists of the Extended Key Usage (EKU) of Server Authentication. When the RADIUS server sends its configured certificate to the client during authentication, it need to have actually this Server Authentication establishing for network access and authentication.

Enable Fast Reconnect—Enables external TLS session resumption only. The authenticator controls whether or not the inner authentication is skipped.

Disable once making use of a smart card—Do not usage Fast Reaffix when making use of a smart card for authentication. Smart cards use only to user connections.

Authenticate making use of a token and also EAP GTC—Not accessible for machine authentication.

Inner techniques based on Credentials Source

Authenticate utilizing a password for EAP-MSCHAPv2 and/or EAP-GTC.

EAP-TLS, authenticate using a certificate.

Authenticate making use of a token and also EAP-GTC—Not available for machine authentication.

Note

Before user logon, smart card support is not accessible on Windows.

EAP-FAST Settings

EAP-FAST is an IEEE 802.1X authentication form that supplies flexible, easy deployment and also management. It supports a range of user and password database types, server-initiated password expiration and change, and also a digital certificate (optional).

EAP-FAST was developed for customers who desire to deploy an IEEE 802.1X EAP form that does not usage certificates and also offers security from dictionary strikes.

As of AnyConnect 3.1, EAP chaining is supported when both machine and also user connections are configured. That indicates that the Netjob-related Access Manager verifies that the machine and also the user are known entities and are controlled by the corporation, which is beneficial for regulating user-owned assets that are connected to the corpoprice netjob-related. For more indevelopment around EAP chaining, check out RFC 3748.

EAP-FAST encapsulates TLS messperiods within EAP and is composed of 3 protocol phases:

A provisioning phase that supplies Authenticated Diffie-Hellguy Protocol (ADHP) to provision the client via a shared trick credential dubbed a Protected Access Credential (PAC).

A tunnel facility phase in which the PAC is used to develop the tunnel.

An authentication phase in which the authentication server authenticates the user’s credentials (token, username/password, or digital certificate).

Unfavor the various other tunneling EAP techniques, EAP-FAST provides cryptobinding in between inner and also outer approaches, staying clear of the special class of man-in-the-middle attacks wbelow an attacker hijacks a valid user’s connection.

Connumber EAP-FAST

EAP-FAST Setups

Validay Server Identity—Enables server certificate validation. Enabling this introduces two added dialogs in the administration utility and also adds additional Certificate panes in to the Network-related Access Manager Profile Editor job list.

Note

If you permit this, make sure that the server certificate installed on your RADIUS server has the Extended Key Usage (EKU) of Server Authentication. When the RADIUS server sends its configured certificate to the client during authentication, it need to have actually this Server Authentication setting for netoccupational accessibility and authentication.

Enable Rapid Reconnect—Enables session resumption. The two mechanisms to resume the authentication sessions in EAP-FAST are user authorization PAC, which substitutes for the inner authentication, and TLS session resumption, which permits for an abbreviated external TLS handshake. This Enable Quick Reconnect parameter enables or disables both mechanisms. The authenticator decides which one to usage.

Note

The machine PAC offers an abbreviated TLS handshake and also eliminates inner authentication. This control is handled by the enable/disable PAC parameter.

Note

The Disable When Using a Smart Card choice is easily accessible just for user link authorization.

Inner techniques based upon Credentials Source—Enables you to authenticate making use of a password or certificate.

Authenticate using a password for EAP-MSCHAPv2 or EAP-GTC. EAP-MSCHAPv2 gives mutual authentication, however it authenticates the client before authenticating the server. If you want shared authentication with the server being authenticated initially, configure EAP-FAST for authenticated provisioning only, and verify the server’s certificate. Using the challenge-response method based on the NT-hash of the password, EAP-MSCHAPv2 needs you to save either the clear message password or at leastern the NT-hash of the password in the authenticator’s database. Since the password is passed to the authenticator in clear message within EAP-GTC, you have the right to usage this protocol for authentication against the database.

If you are utilizing password-based inner approaches, an additional alternative is easily accessible to allow unauthenticated PAC provisioning.

Authenticate making use of a certificate—Decide the complying with criteria for authenticating utilizing a certificate: when requested, sfinish the client certificate in the clear, just send client certificates inside the tunnel, or sfinish the client certificate making use of EAP-TLS in the tunnel.

Authenticate utilizing a token and EAP-GTC.

Use PACs—You can specify the usage of PAC for EAP-FAST authentication. PACs are credentials that are dispersed to clients for optimized network-related authentication.

Note

Typically, you use the PAC option bereason many authentication servers use PACs for EAP-FAST. Before removing this alternative, verify that your authentication server does not usage PACs for EAP-FAST; otherwise, the client’s authentication attempts are unsuccessful. If your authentication server supports authenticated PAC provisioning, classiccomputers.info recommends that you disable unauthenticated provisioning. Unauthenticated provisioning does not validay server’s certificates, and can enable intruders to mount a dictionary-based assault.

LEAP Settings

LEAP (Lightweight EAP) supports wireless netfunctions. It is based on the Extensible Authentication Protocol (EAP) structure and also was arisen by classiccomputers.info to create a protocol that was even more secure than WEP.

Note

LEAP is topic to dictionary attacks unmuch less you enforce strong passwords and also periodically expire passwords. classiccomputers.info recommends that you use EAP-FAST, PEAP, or EAP-TLS, whose authentication techniques are not susceptible to dictionary attacks.

LEAP settings, which are available only for user authentication:

Extend user connection past log off—Keeps the link open up once the user logs off. If the very same user logs ago on, the network-related connection is still energetic.

See Dictionary Attack on classiccomputers.info LEAP Vulnercapability for more information.

Define Netfunctions Credentials

On the Networks > Credentials pane, you specify whether to use user and/or machine credentials, and you connumber trusted server validation rules.

Connumber User Credentials

An EAP conversation might involve even more than one EAP authentication technique, and also the identities claimed for each of these authentications may be different (such as machine authentication adhered to by user authentication). For example, a peer may initially claim the identification of nouser