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Note: This is a local copy of Steve Grandi's instruction file here: http://www.noao.edu/cis/login/anyconnect-vpn.html
Once in a while I get a high CPU alert on one of our VM file servers. Looking at the Windows Resource Monitor shows Cisco AMP for Endpoints Connector with high CPU usage. Oct 10, 2020 Download Cisco AnyConnect Offline Installer for Windows, Linux & Mac (Secure Mobility Client 4.5) As you’ve learned earlier, the application is available for a variety of Operating Systems such as Windows, Mac OS X, Linux, etc.
DOWNLOADS (Version 4.5.03040):
If you need downloads for other versions, please see Steve's links below.
Cisco AnyConnect VPN clients; Steve Grandi, 01/08/18
1) Introduction
At NOAO-Tucson, we use the Cisco AnyConnect system for remote access to our network via individual VPN tunnels. A Cisco ASA 5512-X (Adaptive Security Appliance) unit is installed in out network to handle connections over the Internet. Staff use clients, formally known as the AnyConnect Secure Mobility Client, which are installed on their 'remote' computers to establish encrypted VPN tunnels with the ASA.
Staff use their AD (Active Directory) credentials (which are also used for the NOAO-Tucson email system and the 'inside' NOAO-WiFi wireless system) to authenticate their identity with the ASA. Staff are assigned to various 'classes' (such as CIS, LSST or DKIST) which we are used for implementing 'Security Domains' which restrict some classes to isolated portions of our network.
1.0) AD Passwords and 2FA
You need a username/password for an AnyConnect VPN connection. We use the same Single Sign-On AD password scheme for AnyConnect as we do for the NOAO-WiFi system and for the email system. Password guidelines may be found here.
As of December 2, 2017, a '2-factor authentication' (2FA) step (through Duo Security) was added to the Tucson AnyConnect login. Please read about 2FA here and here.
1.1) Open Source Alternative for Linux
A report from Erik Johansson:
----------------------------------------------------------------------------
You may already know this, but there is an open source VPN client for Linux
that supports the Cisco AnyConnect VPN: openconnect (see:
http://www.infradead.org/openconnect/). It is in the ubuntu repository, so
I imagine it is in Fedora and Red Hat as well.
I just installed it and it seems to work fine. The nice thing is that it
integrates into the gnome network manager so that I can activate it by
bringing up the network-settings menu from the system tray network icon as
opposed to running the separate Cisco app.
----------------------------------------------------------------------------
Erik prepared a set of installation instructions which can be found here.
I successfully installed the Openconnect client on a laptop running Linux Mint 12 and connected with anyconnect.noao.edu. I had to install a Certificate as per the instructions in Section 2.2.1 below.
1.2) Anyconnect on 'gadgets'
An anyconnect client is available for IOS devices: iPhone, iPad, iPod Touch. Search the App store for 'anyconnect.'
Anyconnect clients are available for many Android phones and tablets. Kindle Fire and Samsung devices both feature clients in their respective App stores. Also, for Android devices running ICS (4.0) or above, there is a generic package called AnyConnect ICS+. Again, consult the App stores.
Anyconnect is not (yet?!?) available on Windows 8 RT.
2) Installing and Using the Cisco anyconnect Client
Browse to the following directory:
and grab the appropriate file (note that Cisco has changed the form of the filenames from previous versions):
anyconnect-macos-4.5.03040-predeploy-k9.dmg
anyconnect-win-4.5.03040-core-vpn-predeploy-k9.msi
anyconnect-linux64-4.5.03040-predeploy-k9.tar.gz
There are other versions of the software in the FTP area other than those mentioned above: don't use them without consulting me first!
Due to a security problem, all versions of the AnyConnect Client for Windows and MacOS prior to version 4.3 have been deprecated. If you connect to the AnyConnect server through a Windows or Mac system with any earlier version, you will be be automatically updated to version 4.3.04027. If the OS version running on your PC or Mac does not support this version of AnyConnect, I believe, from anecdotal evidence, that bad things will happen and you will be out of luck (I don't have old enough OS versions to test this on).
Linux users are on their own as regards to security issues. AnyConnect will insist on a version equal to or higher than 3.1.14018, however.
The MacOS 4.5.03040 package is for 10.11 (El Capitan), 10.12 (Sierra) and 10.13 (High Sierra) systems only. 10.10 (Yosemite) users can use the 4.4.01054 distribution and 10.9 (Mavericks) users can install the 4.3.04027 distribution, but one of these days security issues will no doubt force us to require a later AnyConnect version: So upgrade your Mac to a newer version of MacOS!
10.5 (Leopard), 10.6 (Snow Leopard), 10.7 (Lion) und 10.8 (Mountain Lion) users are out of luck, as are PowerPC Mac users.
The Windows package supports Windows 10, 8, 8.1 and 8.1 Update 1 (both 32 and 64 bit) and Win7 (both 32 and 64 bit). WinXP and WinVista are no longer supported.
AnyConnect version 4 has abandoned the 32-bit Linux distribution. Version 4.5 is officially supported on Red Hat 6 & 7 (hence CentOS 6 & 7) and Ubuntu 14.04(LTS) and 16.04(LTS). Version 4.4 is officially supported on Red Hat 6 & 7 (hence CentOS 6 & 7) and Ubuntu 12.04(LTS), 14.04(LTS) and 16.04(LTS).
The AnyConnect 3.1 Linux package is 'guaranteed' to run on Ubuntu 9.x, 10.x, 11.x and 12.x and on RedHat RHEL 6 Desktops. I can verify that it installs and runs on Ubuntu 9.04/32, 9.10/32-bit, on CentOS 5.4/32bit and Linux Mint 12 (64 bit). Use the -linux_64- file for 64-bit Linux installations.
2.1) MacOS
Install this program on your Mac from the downloaded .dmg disk image (click on the .dmg in the Finder 'Downloads' window and then click on the AnyConnect.mpkg icon in the window that pops up). Accept the defaults and acknowledge the legalese during the installation.
When you are asked what components to install, uncheck everything except the VPN component.
If you are running Mountain Lion (Mac OS 10.8) or later, there is one complication that you have to deal with first. Go to System Preferences -> Security & Privacy -> General. You will have to click on the Lock and enter the Admin password. Now, under 'Allow applications downloaded from:', click the circle next to 'Mac App Store and Identified Developers.'
Note that if you are running a version of the AnyConnect client that is earlier than 4.3.04027, the next time you connect, the AnyConnect server will upgrade the client on your remote computer to this version. This has casued issues in the past: if things go pear-shaped for you: pleae let us know!
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Fire up the newly-installed program (it will be installed as Applications/Cisco/Cisco AnyConnect Secure Mobility Client.app). A panel labeled 'Cisco AnyConnect Secure Mobility Client' will appear.
On the top-of-the-screen bar (next to the Apple symbol), click on 'Cisco AnyConnect Secure Mobility Client' and then click on 'Preferences.' In the Preferences Pane that pops up, Click on 'Enable local Lan Access (if Configured).' In fact, you probably want to check all the preferences in the pane.
Back in the 'Cisco AnyConnect Secure Mobility Client' panel, you will see a blank box labeled 'Connect To.' Type 'anyconnect.noao.edu' in the box, highlight the entry with the mouse, and hit the 'Connect' button. Eventually you will be asked for your username and password.
If your credentials are accepted, a box will appear on your screen that says 'Welcome to NOAO-Tucson's VPN remote-access system (Authorized Users Only!). You are in the CIS Group.' Of course, your assigned group will appear instead of CIS. Hit the 'Accept' button and the system will cogitate for a bit.
You should now be connected on the internal NOAO-Tucson network! An icon (looks like a globe with a lock) will be present on the top-of-the-screen bar that you can use to disconnect the connection, show statistics or quit the VPN client.
Note an 'uninstall' application is located in the 'Cisco' tab in the Applications folder.
2.2) Linux
Note the alternative program 'openconnect' discussed above.
(As performed on my Asus EEE PC901 netbook running Ubuntu 9.10/32-bit)
Using Firefox, download the the .tar.gz file, use tar to uncompress and untar the ciscovpn directory. cd into ciscovpn and run 'sudo vpn_install.sh'. Lots of legalese should appear followed by a cryptic 'Done!'.
Fire up the program via Applications -> Internet -> Cisco AnyConnect VPN Client. A panel will appear and a new icon will appear in the Notification area. Put anyconnect.noao.edu in the 'Connect To:' box in the panel. Click on the 'gears' symbol to the right of the 'Connect To:' box and check the box for 'Enable local LAN access (if configured)' and hit the Close button.
Now enter your Username and Password in the appropriate boxes, and hit the 'Connect' button. When the conection takes place, the panel will disappear and the icon will change shape and show a padlock. Left-clicking the icon will bring up a statistics panel. Right-clicking the icon will bring up a menu and allow you to disconnect.
In a non-Ubuntu system, to fire up the connection, type in a terminal window
/opt/cisco/vpn/bin/vpn connect anyconnect.noao.edu
You will be prompted for your username and password and see lots of funky output.
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You should now be connected on the internal NOAO-Tucson network!
/opt/cisco/vpn/bin/vpn disconnect
will disconnect the VPN.
2.2.1)
If you get an error message about 'problem with a Certificate', then you need to do the following:
grab ftp://ftp.noao.edu/pub/grandi/GeoTrust-root-cert.pem and put this file in ~/.cisco/certificates/ca/ (which you will have to create).
I had to do this on a CentOS 5.4 system but not on Ubuntu 9.04 or 9.10.
2.3) Windows
Download the .msi file, double click on it, agree that it is safe to run, accept the license, and complete the install. Find the newly installed program at Programs -> Cisco AnyConnect Secure Mobility Client and run it. In the pane that appears, click on the Preferences icon (looks like a pair of gears) and click on 'Enable local Lan Access (if Configured)' and hit the 'OK' button. Type 'anyconnect.noao.edu' into the box and hit the 'Connect' button. You will be prompted for your username and password.
If your credentials are accepted, a box will appear on your screen that says 'Welcome to NOAO-Tucson's VPN remote-access system (Authorized Users Only!). You are in the CIS Group.' Of course, your assigned group will appear instead of CIS. Hit the 'Accept' button and the system will cogitate for a bit.
You should now be connected on the internal NOAO-Tucson network! An icon for the VPN client will appear in the Windows icon area (you will probably have to unhide it first) that you can use to disconnect and/or quit the client.
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Note that if you are running a version of the AnyConnect client that is earlier than 4.3.04027, the next time you connect, the AnyConnect server will upgrade the client on your remote computer to this version. This has casued issues in the past: if things go pear-shaped for you: pleae let us know!