Telnet Timeout issue

By mehdi.talei ·

We have the servers inside our network that the employees can Telnet on. The session never time out.
We have a regional office from where the employees Telnet on the same servers but they have a timeout after 10 minutes idle time.
All the network devices are Cisco. The regional office is connected to headoffice via a VPN connection. The VPN is terminated on my Cisco Firewall.
Would somebody have any idea what the problem can be?


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The server does not have idle timeout

by mehdi.talei In reply to This may help

Nimmo, thanks for your post.
But the employees of HQ work on the same server and do not have any timeout.

I am wondering if I have to change any configuration on my Cisco routers or switch or even firewall!!! but I do not know what it is!!!

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Was firewall issue

by mehdi.talei In reply to Time based ACL's ??

The problem was caused by firewall.
This command defines the timeout for different connections :
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02

I increased the timeout of Half-closed and it fixed the issue.

Thanks for your posts Nimmo.

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Good to hear its all sorted

by Nimmo In reply to Was firewall issue

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