Mac OS X and Cisco VPN VPN on Mac OS X (10.4 - Tiger, 10.5 - Leopard, 10.6 - Snow Leopard) General: Supported versions: 10.4 - Tiger PPC, Cisco IPsec Client, Cisco AnyConnect Client. Oct 20, 2014 AnyConnect Secure Mobility Client v4.x: Get product information, technical documents, downloads, and community content. Aug 26, 2020 Cisco VPN Client for Mac, free and safe download. Cisco VPN Client latest version: One of the world's leading Virtual Private Network providers.

VPN on Mac OS X (10.4 - Tiger, 10.5 - Leopard, 10.6 - Snow Leopard)

General:

Supported versions:

• 10.4 - Tiger PPC, Cisco IPsec Client, Cisco AnyConnect Client Version 2.5.x
• 10.5 - Leopard PPC: Cisco IPsec Client, Cisco AnyConnect Client Version 2.5.x
• 10.5 - Leopard Intel: Cisco IPsec Client, Cisco AnyConnect Client Version 3.x
• 10.6 - Snow Leopard Intel: integrated IPsec Client, Cisco IPsec Client, Cisco AnyConnect Client Version 3..x
• 10.7 - Lion Intel: integrated IPsecClient, Cisco AnyConnect Client Version 3.x

What about the built-in VPN client?

Up to and including 10.5: the client integrated in the Internet Connect program currently does not work on our VPN servers. The client supports the PPTP and L2TP protocols over IPsec, but not IPsec with the XAUTH extension that we use.

For 10.6 and higher Mac OS X has an integrated Cisco IPsec client. Instructions and configuration profile on the download page: http://www.lrz.de/services/netz/mobil/vpn/ipsec-macosx/index.html

Problems after upgrading to 10.6 (Snow Leopard):

After the system update to 10.6, a previously installed Cisco IPsec VPN client does not work, and the error message (Error 51) appears. The client works again after deinstallation and then reinstallation of Version 4.9.01.0280.

You can find the new version of the IPsec client at the following link: https://www.lrz.de/services/netz/mobil/vpnclient

Error message: 'A configuration error occurred. Verify your settings and try reconnecting'

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This error message appears in systems that have not been restarted for a long time. This indicates that the 'Racoon' process is hanging. Restarting the process in the Activity Monitor eliminates the problem without a need to restart the system.

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Optionally, you can also input the following in a terminal window:

sudo killall racoon

or

sudo launchctl stop com.apple.racoon

sudo launchctl start com.apple.racoon

Uninstall IPsec client:

Do this by opening a terminal window so that you can enter commands. Enter terminal.app in the Spotlight (magnifying glass at upper right) and start the program. A window opens. Enter the following in this window:

sudo vpn_uninstall

and then press the enter key.

You will then be asked for your password. Enter your login password.

The following dialog will appear:

----------------------------------------------------------------------
Cisco Systems VPN Client Version 4.9.01.0180 Darwin uninstaller
Copyright (c) 1998-2001 Cisco Systems, Inc. All Rights Reserved.
Please review the license agreement found in license.txt
----------------------------------------------------------------------
Are you certain that you wish to uninstall the Cisco VPN client? [no]

Enter yes.

The next question that appears is:

Do you wish to remove all existing profiles and certificates? [no]

Press the return key unless you want to remove the client completely.

Then the following text appears:

- existing profiles and certificates will be preserved.
[ cleaning up installed files and directories... ]
> removing : /private/opt/cisco-vpnclient/bin/vpnclient ( VPN dialer )
> removing: /private/opt/cisco-vpnclient/bin/ipseclog ( VPN log viewer )
> removing: /private/opt/cisco-vpnclient/bin/cvpnd ( VPN daemon )
> removing: /private/opt/cisco-vpnclient/bin/cisco_cert_mgr ( VPN certificate manager )
> removing: /private/opt/cisco-vpnclient/bin/pophelp.sh
> unloading NKE: /System/Library/StartupItems/CiscoVPN
Stopping Cisco Systems VPN Driver
kextunload: unload kext /System/Library/Extensions/CiscoVPN.kext succeeded
> removing: /System/Library/StartupItems/CiscoVPN ( autostart feature )
> removing: /System/Library/Extensions/CiscoVPN.kext ( IPSec NKE )
> preserving: /etc/opt/cisco-vpnclient ( profiles, certificates, init files )
> removing: /Library/Frameworks/cisco-vpnclient.framework ( VPNClient API)
> removing: /private/opt/cisco-vpnclient/bin/vpn_uninstall ( VPN uninstaller )
----------------------------------------------------------------------
Cisco Systems VPN client uninstall completed successfully.
----------------------------------------------------------------------

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Cisco Systems VPN Client is a software application for connecting to virtual private networks based on Internet Key Exchange version 1.

On July 29, 2011, Cisco announced the end of life of the product. No further product updates were released after July 30, 2012, and support ceased in July 29, 2014.^[4] The Support page with documentation links was taken down on July 30, 2016, replaced with an Obsolete Status Notification.^[5]

Availability and compatibility[edit]

The software is not free but is often installed on university and business computers in accordance with a site-license. As with most corporate licenses, administrators are allowed to freely distribute the software to users within their network.

The open-source vpnc client can connect to most VPNs supported by the official client.

VPN Client 4.9.01.0230 beta added support for Mac OS X 10.6.^[6] Stable version 4.9.01.0180 appears to lack that support; 4.9.00.0050 explicitly did not support versions of Mac OS X later than 10.5.^[7]

VPN Client 5.0.07.0290 added support for 64-bit versions of Windows Vista and Windows 7.^[8]

Security[edit]

The client uses profile configuration files (.pcf) that store VPN passwords either hashed with type 7, or stored as plaintext. A vulnerability has been identified,^[9] and those passwords can easily be decoded using software or online services.^[10] To work around these issues, network administrators are advised to use the Mutual Group Authentication feature, or use unique passwords (that aren't related to other important network passwords).^[9]

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See also[edit]

• Cisco ASA, the product line that replaced Cisco VPN Concentrator on the server side

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References[edit]

Cisco Anyconnect Client For Mac Download

1. ^VPN Client release notes
2. ^Cisco VPN Client v4.x ... Mac OS
3. ^'VPN Client Homepage'.
4. ^https://www.cisco.com/c/en/us/products/collateral/security/vpn-client/end_of_life_c51-680819.html
5. ^[1]
6. ^Release Notes for VPN Client, Release 4.9.01.0230 Beta for Mac OS X
7. ^Release Notes for VPN Client, Release 4.9.00.0050 for Mac OS X, Revised: May 21, 2010, OL-11179-04
8. ^Release Notes for Cisco VPN Client, Release 5.0.07.0290
9. ^ ^ab'Cisco Security Notice: Cisco IPsec VPN Implementation Group Password Usage Vulnerability'.
10. ^'Cisco Systems VPN Client Group Password Decoder'.

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