Remote-access Guide

cisco asa remote access vpn idle timeout

by Laurence Johns Published 2 years ago Updated 1 year ago
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vpn-idle-timeout
The default is 30 minutes. If there is no communication activity on the connection in this period, the security appliance terminates the connection. A group policy can inherit this value from another group policy.

Full Answer

What is Cisco ASA remote access VPN?

Cisco ASA Remote Access VPN. The remote user requires the Cisco VPN client software on his/her computer, once the connection is established the user will receive a private IP address from the ASA and has access to the network. The Cisco VPN client is end-of-life and has been replaced by the Cisco Anyconnect Secure Mobility Client.

What happens when Cisco ASA initiates a VPN tunnel?

A Cisco ASA router initiates an IPSEC VPN tunnel to a Palo Alto Networks firewall. The tunnel drops and the Palo Alto tries to re-initiate and fails. If the ASA initiates the tunnel, traffic will pass. By default the Cisco ASA router will terminate an idle session, regardless of the re-key timer on the tunnel.

How does the Cisco ASA router terminate idle sessions?

By default the Cisco ASA router will terminate an idle session, regardless of the re-key timer on the tunnel. A tear down message may or may not be sent to the receiving host, in this case a Palo Alto Networks firewall.

How long does a VPN session timeout?

VPN session Timeouts I have many users that timeout once connected to VPN. These have shown that from 2 to 34 minutes the connection will drop. Yet when I look in the configuration of the ASA it shows: group-policy GroupPolicy_unameit-VPN attributes wins-server none dns-server value 195.195.195.242 195.195.195.243

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What is VPN idle timeout?

One of the first settings to check is the VPN timeout setting itself. By default, VPN software might shut down a connection that has been idle for as little as 10 minutes, which might be too short for many users. These values should be set to fit the needs of the company and its end users.

Does Cisco VPN timeout?

The timeout setting for a VPN group is 1 minute.

How do I increase my VPN timeout limit?

1 AnswerOpen “Routing and Remote Access”Right Click “Remote Access Logging & Policies”Click “Launch NPS”Once “Network Policy Server” open's click “Network Policies”Right click “Forefront TMG Default Policy” and select “Properties”Move to the “Constraints” tab.More items...•

Why does my Cisco VPN keep disconnecting?

Core issue The disconnections happen because of VPN client loses Dead Peer Detection (DPD), keepalives on the path. DPDs are used to verify if the remote peer still answers because it is unsafe to keep a connection active if the remote device is dead.

How do I set timeout on AnyConnect?

Configure connection-profile settingsOpen ASDM and click Configuration → RemoteAccess VPN → Network(Client)Access → AnyConnectClientProfile.Select the client profile used for Cisco AnyConnect and click Edit. ... Navigate to Preferences (Part2) and change the value Authentication timeout (seconds) to 35 seconds.More items...

Where is Cisco ASDM?

You can download ASDM from cisco.com or from your ASA itself. You can then run it inside a browser or download the ASDM launcher so it runs as its own application on your PC. I highly recommend ASDM launcher as the way to go.

Why does VPN disconnect after 8 hours?

Idle timeout means if there is no data being sent or received over VPN, the connection will drop. What you are talking about seems to be authentication timeout or auth-timeout. By default it is 8 hours in fortigate firewall.

Why is my VPN connected but not working?

If your VPN software is not working properly, you can do several things: check your network settings, change your server, make sure the right ports are opened, disable the firewall, and reinstall your VPN software. If none of the below methods are working, it's time to contact your VPN provider.

How do you troubleshoot a VPN?

When your VPN won't connect, try these solutions:Check your internet connection. ... Check your login credentials. ... Change the VPN server connection. ... Restart the VPN software or browser plug-in. ... Check that your VPN software is up-to-date. ... Check that your browser is up-to-date. ... Reinstall the latest VPN software package.More items...•

How do I stop my VPN from disconnecting when idle?

In particular, the following may help:Reboot your Internet router.Reboot the computer.If connecting via wifi, try connecting to the router with a wired connection.Contact your Internet service provider (ISP) to confirm whether VPN is allowed from their network.

How do I stop my VPN from disconnecting?

Here are some common device-level issues you can solve to prevent your VPN from disconnecting:Delete old VPN apps. ... Check for conflicts with your firewall and antivirus. ... Check for data-hungry software. ... Install a VPN on your router. ... Install a VPN on your router.

What happens when VPN disconnects?

If your VPN doesn't have the kill switch feature and it suddenly gets disconnected for any reason, your internet traffic will become unprotected and public, which can get you in some serious trouble.

Why does my Cisco AnyConnect keep reconnecting?

They can fix it by either changing group policy and moving the port, etc. Apparently, your ISP is limiting and disconnecting people using VPN to watch overseas TV. That's why your company VPN keeps reconnecting.

When I connect to Cisco VPN Do I lose internet?

Click on change adapter settings on top left. Right Click on Cisco AnyConnect Secure Mobility Client Connection → Click on properties. Uncheck NetBalancer LightWeight Filter or Connectify Lightweight Filter. Click on OK and try connect to VPN now.

Why does Nord VPN keep disconnecting?

Why Do I Keep Getting Disconnected from NordVPN? NordVPN only uses one Internet connection to route all the data to the VPN server. Even if your laptop, iPhone or Android device has multiple Internet connections, NordVPN will only use one of them. When connecting to the VPN server it uses a single socket.

How do I reset my Cisco AnyConnect secure mobility client?

ResolutionOpen a Windows search by clicking the Cortana icon or by pressing the Windows key + S.In the search field, type services. ... In the list of services, find and select Cisco AnyConnect Secure Mobility Agent.To the left, click the Start the service link.Relaunch the Cisco AnyConnect VPN software.

How long does VPN idle timeout last?

vpn-idle-timeout 1, VPN will never be disconnected. The timeout setting for a VPN group is 1 minute. However, even after one minute, the VPN will never be disconnected.

What happens if your VPN is inactive?

If the inactivity reaches 1 min then VPN will get disconnected.

What is site to site IPSEC VPN?

Site to Site IPSec VPN with Dynamic IP Endpoint is typically used when we have a branch sites which obtains a dynamic public IP from the Internet ISP. For example an ADSL connection.One important note is that Site-to-Site VPN with Dynamic remote routers P... view more

What is session timeout?

session-timeout : disconnects even when a tunnel is in use.

Does session timeout terminate VPN?

Yes, session timeout will terminate VPN session as per the minutes you set. As per the config Idle timeout of VPN is set to 1 min and your are facing issue that VPN is not getting disconnected after 1 min right...?? Did you check the inactivity time of a anyconnect user "sh vpn-sessiondb anyconnect filter name XXXX".

How long is a VPN idle?

Idle Timeout —The length of time, in minutes, that the VPN connection can be idle before it is automatically closed, from 1-35791394. The default is 30 minutes. Browser Proxy During VPN Sessions —Whether proxies are used during a VPN session for Internet Explorer web browsers on Windows client devices.

Where does remote access VPN problem originate?

Remote access VPN connection issues can originate in the client or in the Firepower Threat Defense device configuration. The following topics cover the main troubleshooting problems you might encounter.

How to view VPN configuration?

Click Device, then click View Configuration in the Site-to-Site VPN group.

How to use a VPN on a computer?

Step 1. Using a web browser, open https://ravpn-address , where ravpn-address is the IP address or hostname of the outside interface on which you are allowing VPN connections. You identify this interface when you configure the remote access VPN. The system prompts the user to log in. Step 2.

How to complete a VPN connection?

To complete a VPN connection, your users must install the AnyConnect client software. You can use your existing software distribution methods to install the software directly. Or, you can have users install the AnyConnect client directly from the Firepower Threat Defense device.

What is AnyConnect client profile?

AnyConnect client profiles are downloaded to clients along with the AnyConnect client software. These profiles define many client-related options, such as auto connect on startup and auto reconnect, and whether the end user is allowed to change the option from the AnyConnect client preferences and advanced settings.

What is remote access VPN?

In remote access VPN, you might want users on the remote networks to access the Internet through your device. However, because the remote users are entering your device on the same interface that faces the Internet (the outside interface), you need to bounce Internet traffic right back out of the outside interface. This technique is sometimes called hair pinning.

Why is there no VPN tunnel?

If there is no indication that an IPsec VPN tunnel comes up at all, it possibly is due to the fact that ISAKMP has not been enabled. Be sure that you have enabled ISAKMP on your devices. Use one of these commands to enable ISAKMP on your devices:

Why does my VPN have routing issues?

Note: The routing issue occurs if the pool of IP addresses assigned for the VPN clients are overlaps with internal networks of the head-end device. For further information, refer to the Overlapping Private Networks section .

What is ISAKMP Keepalives?

If you configure ISAKMP keepalives, it helps prevent sporadically dropped LAN-to-LAN or Remote Access VPN, which includes VPN clients, tunnels and the tunnels that are dropped after a period of inactivity. This feature lets the tunnel endpoint monitor the continued presence of a remote peer and report its own presence to that peer. If the peer becomes unresponsive, the endpoint removes the connection. In order for ISAKMP keepalives to work, both VPN endpoints must support them.

Why does IPSEC VPN have padding error?

The issue occurs because the IPSec VPN negotiates without a hashing algorithm. Packet hashing ensures integrity check for the ESP channel. Therefore, without hashing, malformed packets are accepted undetected by the Cisco ASA and it attempts to decrypt these packets. However, because these packets are malformed, the ASA finds flaws while decrypting the packet. This causes the padding error messages that are seen.

How to enable NAT-T on VPN?

Choose Configuration > Tunneling and Security > IPSEC > NAT Transparency > Enable: IPsec over NAT-T in order to enable NAT-T on the VPN Concentrator.

How to check if a VPN tunnel is established?

If the tunnel has been established, go to the Cisco VPN Client and choose Status > Route Details to check that the secured routes are shown for both the DMZ and INSIDE networks.

What is NAT-T on a Linksys router?

NAT-Traversal or NAT-T allows VPN traffic to pass through NAT or PAT devices, such as a Linksys SOHO router. If NAT-T is not enabled, VPN Client users often appear to connect to the PIX or ASA without a problem, but they are unable to access the internal network behind the security appliance.

How many interfaces does an ASA have?

The ASA has two interfaces: inside and outside. Imagine the outside interface is connected to the Internet where a remote user wants to connect to the ASA. On the inside we find R1, I will only use this router so the remote user has something to connect to on the inside network. Let’s look at the configuration!

What is VPN_POLICY?

The group policy is called VPN_POLICY and it’s an internal group policy which means it is created locally on the ASA. You can also specify an external group policy on a RADIUS server. I added some attributes, for example a DNS server and an idle timeout (15 minutes). Split tunneling is optional but I added it to show you how to use it, it refers to the access-list we created earlier.

Does Cisco VPN require ASA?

The remote user requires the Cisco VP N client software on his/her computer, once the connection is established the user will receive a private IP address from the ASA and has access to the network .

Can remote VPN users access certain networks?

If you want to configure an access-list so the remote VPN users can only reach certain networks , IP addresses or ports then you can apply this under the group policy.

Can you use VPN on remote network?

If you don’t want this then you can enable split tunneling. With split tunneling enabled, we will use the VPN only for access to the remote network. Here’s how to enable it:

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What was used for long-distance communications before fiber-optic cables?

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UPDATE: Can we talk about a strange problem on my network?

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Are there sites for small contract networking jobs and consulting?

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What is the issue with Cisco ASA router?

Issue#N#A Cisco ASA router initiates an IPSEC VPN tunnel to a Palo Alto Networks firewall . The tunnel drops and the Palo Alto tries to re-initiate and fails. If the ASA initiates the tunnel, traffic will pass.#N#Resolution#N#By default the Cisco ASA router will terminate an idle session, regardless of the re-key timer on the tunnel. A tear down message may or may not be sent to the receiving host, in this case a Palo Alto Networks firewall. If the VPN tunnel is initiated by the Cisco device after the timeout, it will create a new tunnel and traffic will pass without issue. Traffic initiated from the firewall will continue to use the existing tunnel info and will fail to pass traffic. The firewall will need to tear down the existing tunnel and start a new one in order for traffic to flow. Disabling the default settings on the Cisco ASA will allow the re-key timer on the firewall to work as it should.

What happens if a VPN is initiated by Cisco?

If the VPN tunnel is initiated by the Cisco device after the timeout, it will create a new tunnel and traffic will pass without issue. Traffic initiated from the firewall will continue to use the existing tunnel info and will fail to pass traffic.

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