Re: telnet session times out
- From: Joe Beanfish <joe@xxxxxxxxxx>
- Date: Fri, 24 Aug 2007 14:18:51 -0400
Sentine| wrote:
On Aug 23, 10:04 pm, Avi <avner-moshkov...@xxxxxxx> wrote:I'm connecting from a Win2000 machine into a Linux Fedora Core 6
machine via telnet.
After a while of inactivity the telnet times out.
Connecting via telnet is a requirement. I cannot use other connection
tools
My questions:
1. How could I tell if the connection is closed by the server (Fedora
Core 6) or by the client (Win2000)
2. Where and how could I set the time out to infinite
Thanks,
Avner
Hi Avner,
Is the Linux box remote?
Yes: I've seen this caused by a clients LAN router (sometimes this can
fixed in the router itself) timing out a session if there is no
activity. In the past people would use a ping to keep their dial-up
active way back before broadband. Several programs can ping the
server at periodic intervals, however Putty (freeware) can be
configured to easily ping every N seconds and can also be used as a
Telnet (and SSH) client.
If that didn't solve your issue you might be able to get away with
increasing the keepalive time on Linux:
/proc/sys/net/ipv4/tcp_keepalive_time (defaults to 1800. 30 minutes)
I'm certain someone more knowledgeable on here could describe what
tcp_keepalive_intvl and tcp_keepalive_probes do or googling.
If the high tech methods fail you you could run something like this to
generate innocuous traffic so you don't look idle:
while :; do echo "\000\c"; sleep 30; done &
.
- References:
- telnet session times out
- From: Avi
- Re: telnet session times out
- From: Sentine|
- telnet session times out
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