Re: Telnet thru a firewall to DMZ

["David Shea" <dshea@xxxxxxxxxxxx>]

Try changing the timeout to zero.  This will disable it.

But - what have you got between the AS/400 and the internal network?  There
may be a timeout feature on that firewall that's dropping the connection.
Sometimes, the keep-alive packets only make it from the AS/400 to the
proxy/firewall and never get to the client.

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----- Original Message -----
From: <Jerry_C._Phillips@pstechno.com>
To: <MIDRANGE-L@midrange.com>
Sent: Tuesday, May 09, 2000 2:51 PM
Subject: Telnet thru a firewall to DMZ


> We have moved our AS/400 (running V4R4) to a DMZ for future access from
the
> internet.  For our internal users we then redirected from the internal
side of
> our firewall to DMZ allowing telnet, ftp, etc.  This all seems to work
fine
> except that the telnet sessions (and it doesn't seem to matter which
emulator
> the client is using) after a period of inactivity (usually within the
hour) get
> disconnected.  The system values for the inactivity and disconnect are
both set
> at 2 hours and we get disconnected well before that.   I have looked at
the jobs
> running named QTVDEVICE.  They show entries with message id TCP2552.  It
appears
> because of our access via the firewall, we need to adjust the Session Keep
Alive
> Timeout value in the CHGTELNA command.  The question is, to what value.
Since
> it uses a *CALC currently I don't know what to adjust it to.
>
> Does anyone have any experience in this area, OR I'am I looking in the
wrong
> place in trying to resolve this problem?
>
> Jerry Phillips
>
>
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