From: Joseph D. Phillips (jphillips@ufcwdrugtrust.org)
Date: Thu Jun 10 2004 - 15:50:25 GMT-3
That would be good if we had any of those here. :)
I think it's the firewall anyway. Anyone here use a Netscreen 25?
-----Original Message-----
From: Jason Aarons [mailto:jaarons@hotmail.com]
Sent: Thursday, June 10, 2004 11:15
To: ccielab@groupstudy.com
Subject: RE: Telnet sessions breaking
Run a sniffer/Ethereal/netmon trace and see who sends the TCP reset for the
telnet session -jason
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Joseph D. Phillips
Sent: Thursday, June 10, 2004 1:17 PM
To: Group Study (E-mail)
Subject: Telnet sessions breaking
As I mentioned before, I have remote users who are Telnetting to our central
office's AIX box.
To secure the connections, I am having them all go to an Aventail SSL/VPN
appliance, which creates the VPN tunnels for the users and proxies their
Telnet traffic to the RS6000 running the app they need to do lookups.
My problem is that the users will walk away for a few minutes and find their
Telnet sessions have vanished.
There are no inactivity timeouts either within the custom application to
which the users are Telnetting, and the appliance's timeout is 720 minutes,
so that's not it, either.
Since we were talking about MTUs earlier, I checked our edge router here.
The interfaces are all 1500 bytes, but we're not doing tunneling or anything
fancy. It's just a fractional T-1 to our ISP.
Have any of you heard of this before? Is there anything particular about
encrypting Telnet traffic such that sessions would break after a certain
period of inactivity?
Joseph D. Phillips, CCDP MCSE; Network Manager
Southern California United Food and Commercial Workers Unions and Drug &
General Sales Employers Trust Funds
2220 Hyperion Avenue, Los Angeles, California 90027
jphillips@ufcwdrugtrust.org ; office: 323-666-8910 ext 247; cell:
562-761-7257; fax: 323-663-9495
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