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Session Timeout Configuration on the RV120W VPN Firewall

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Fri, 07/08/2016 - 06:40
Apr 26th, 2016
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Cisco Support Community

Article ID: 4734

Objective

The Session Timeout controls how long the administrative interface can be idle before the session is logged out for security reasons.

This article explains how to configure the Session Timeout on the RV120W VPN Firewall.

Applicable Device

• RV120W

Software Version

• 1.0.4.10

Configure Session Timeout

Step 1. Log in to the web configuration utility and choose Firewall > Advanced Settings > Session Settings. The Session Settings page opens:

Step 2. Enter the maximum number of unidentified sessions in the Maximum Unidentified Session field for the Application Layer Gateway (ALG) identification process in the Maximum Unidentified Sessions field. ALG identification process is a substitute for application at selected facilities. This field is used to restrict the number of sessions. With the defined range you can allow maximum of 128 users to connect. The value can range from 2 through 128 and the default is 32 sessions.

Step 3. Enter the maximum number of half-open sessions in the Maximum Half Open Sessions field. Half-open session is actually a state between the receipt of a SYN packet and the SYN/ACK packet. A session is allowed to remain in the half-open state for 10 seconds. The value is between 0 to 3000 and the default is 128 sessions.

Step 4. Enter the time in seconds in the TCP (Transmission Control Protocol) Session Timeout Duration field, after which inactive TCP sessions are removed from the session table in the TCP Session Timeout Duration field. The value is between 0 and 4,294,967 seconds and the default is 1,800 seconds.

Step 5. Enter the time in seconds in the UDP Session Timeout Duration field, after which inactive UDP sessions are removed from the session table in the UDP Session Timeout Duration field. The value is between 0 and 4,294,967 seconds and the default is 120 seconds.

Step 6. Enter the time in seconds in the Other Session Timeout Duration field, after which inactive non-TCP/UDP sessions are removed from the session table in the Other Session Timeout Duration field. The value is between 0 and 4,294,967 seconds and the default is 60 seconds.

Step 7. Enter the maximum time in the TCP Session Cleanup Latency field for a session to remain in the session table after it detects both FIN flags in the TCP Session Cleanup Latency (seconds) field. The value is between 0 to 4,294,967 seconds and the default is 10 seconds.

Step 8. Click Save.

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