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Overview

Cisco has disclosed today a zero-day vulnerability in the Cisco AnyConnect Secure Mobility Client software with proof-of-concept exploit code publicly available. Cisco VPN Client Fix for Windows 8.1 and 10. Fix the connection problems with Cisco VPN client on Windows 8.1 and Windows 10 computers. Cisco VPN Client Fix for Windows 8.1 and 10. Cisco has released security updates to address vulnerabilities in AnyConnect Secure Mobility Client Software and Security Manager. An attacker could exploit these vulnerabilities to take control of an affected system. Request Help from the Service Desk. Report a Security Incident. Phone: 617-253-1101. Email: helpdesk@mit.edu. Download software, learn about hardware recommendations, get computer advice and more. « Back to Software Grid. Cisco's AnyConnect VPN is a Virtual Private Network (VPN) client. For more information about VPNs, see: Virtual Private. With Cisco AnyConnect, all devices a company provides its employees are covered. Be they Mac, Windows, Linux, Android, or even iOS, they can rest assured that business information on any desktop or handheld machine is secured and protected. Unimpeded Access. Cisco AnyConnect affords all-around access to employees to their company’s network.

Stanford's VPN allows you to connect to Stanford's network as if you were on campus, making access to restricted services possible. To connect to the VPN from your Windows computer you need to install the Cisco AnyConnect VPN client.

Two types of VPN are available:

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  • Default Stanford (split-tunnel). When using Stanford's VPN from home, we generally recommend using the Default Stanford split-tunnel VPN. This routes and encrypts all traffic going to Stanford sites and systems through the Stanford network as if you were on campus. All non-Stanford traffic proceeds to its destination directly.
  • Full Traffic (non-split-tunnel). This encrypts all internet traffic from your computer but may inadvertently block you from using resources on your local network, such as a networked printer at home. If you are traveling or using wi-fi in an untrusted location like a coffee shop or hotel, you may wish to encrypt all of your internet traffic through the Full Traffic non-split-tunnel VPN to provide an additional layer of security.

You can select the type of VPN you want to use each time you connect to the Stanford Public VPN.

Install the VPN client

  1. Download the Cisco AnyConnect VPN for Windows installer.
  2. Double-click the InstallAnyConnect.exe file.
  3. When a message saying the Cisco AnyConnect client has been installed, click OK.

Connect to the Stanford VPN

  1. Launch the Cisco AnyConnect Secure Mobility Client client.
    If you don't see Cisco AnyConnect Secure Mobility Client in the list of programs, navigate to Cisco > Cisco AnyConnect Secure Mobility Client.
  2. When prompted for a VPN, enter su-vpn.stanford.edu and then click Connect.
  3. Enter the following information and then click OK:
    • Group: select Default Stanford split- tunnel (non-Stanford traffic flows normally on an unencrypted internet connection) or Full Traffic non-split-tunnel (all internet traffic flows through the VPN connection)
    • Username: your SUNet ID
    • Password: your SUNet ID password

  4. Next, the prompt for two-step authentication displays. Enter a passcode or enter the number that corresponds to another option(in this example, enter 1 to authenticate using Duo Push to an iPad). Then click Continue.
    • You may have to scroll down the list to see all of your options.
    • If your only registered authentication method is printed list, hardware token, or Google Authenticator, the menu does not display. Enter a passcode in the Answer field and click Continue.
  5. Click Accept to connect to the Stanford Public VPN service.
  6. Once the VPN connection is established, a message displays in the lower-right corner of your screen, informing you that you are now connected to the VPN.

Disconnect from the Stanford VPN

  1. In the notification area, click the Cisco AnyConnect icon if it is displayed. Otherwise, go to your list of programs and click Cisco AnyConnect Secure Mobility Client.
  2. At the prompt, click Disconnect.
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Depending on how your company configured Duo authentication, you may or may not see a “Passcode” field when using the Cisco AnyConnect client.

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Single Password with Automatic Push

If AnyConnect only prompts for a password, like so:

After you submit your login information, an authentication request is automatically sent to you via push to the Duo Mobile app or as a phone call.

Alternatively, you can add a comma (“,”) to the end of your password, followed by a Duo passcode or the name of a Duo factor. Here's how:

Type...To...
password,passcodeLog in using a passcode, either generated with Duo Mobile, sent via SMS, generated by your hardware token, or provided by an administrator.
Examples: 'mypass123,123456' or 'mypass123,1456789'
password,pushPush a login request to your phone (if you have Duo Mobile installed and activated on your iOS, Android, or Windows Phone device). Just review the request and tap 'Approve' to log in.
password,phoneAuthenticate via phone callback.
password,smsGet a new batch of SMS passcodes.
Your login attempt will fail — log in again with one of your new passcodes.

You can also add a number to the end of these factor names if you have more than one device registered. For example, push2 will send a login request to your second phone, phone3 will call your third phone, etc.

Examples

To use Duo Push if your password is 'hunter2', type:

To use the passcode '123456' if your password is 'hunter2', type:

hunter2,123456
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To send new SMS passcodes to your second phone if your password is 'hunter2', type:

The comma is Duo's default separator character between your password and the Duo factor. Your administrator may have changed this to a different character. Be sure to follow the instructions sent to you by your organization if they differ from what's shown here.

Second Password for Factor Selection

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If AnyConnect shows a 'Second Password' input field (note that your AnyConnect administrator may have changed the 'Second Password' label to something else):

Use the 'Second Password' field to tell Duo how you want to authenticate. Here's how:

Type...To...
A passcodeLog in using a passcode, either generated with Duo Mobile, sent via SMS, generated by your hardware token, or provided by an administrator.
Examples: '123456' or '1456789'
pushPush a login request to your phone (if you have Duo Mobile installed and activated on your iOS, Android, or Windows Phone device). Just review the request and tap 'Approve' to log in.
phoneAuthenticate via phone callback.
smsGet a new batch of SMS passcodes.
Your login attempt will fail — log in again with one of your new passcodes.

You can also add a number to the end of these factor names if you have more than one device registered. For example, push2 will send a login request to your second phone, phone3 will call your third phone, etc.

Examples

Cisco Anyconnect App

To send a Duo Push request to your primary phone, type:

push

Cisco Vpn Client Windows 10

To send a Duo Push request to your secondary phone, type:

Cisco Anyconnect Download Windows 10

To use the passcode '123456', type:

123456

To send new SMS passcodes to your second phone, type: