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Full Discussion: Telnet timout question
Top Forums UNIX for Dummies Questions & Answers Telnet timout question Post 60537 by Acleoma on Tuesday 18th of January 2005 03:08:36 PM
Old 01-18-2005
Telnet timout question
ok here is a little bit on what I am trying to do. I am logged into a saolaris 9 server and telnet to another server to run an application that sits on the second unix / linux server. This application can sit idle for an hour to two and any given time. During this time the telnet session timesout and the users have to relog in. Now granted most of us would just login again but the users are at remote locations and never had this issues until we moved the servers off the local network. We have checked all our firewalls, switches and routers and there not booting the connection. Now if I have one of them use putty or secureCRT with anti-idle settings going they don't timeout. The problem is not all locations have a windows box to install those applications they use standard telnet from a unix terminal. My question is after reading a bunch of stuff is how do I send a nop or NO-OP from a standard telnet term on a unix box? Any help would be great on this or if you know another way I am all ears.

Thanks
 

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LEARN ABOUT DEBIAN

saslfinger

saslfinger(1)						      General Commands Manual						     saslfinger(1)

NAME

       saslfinger - A utility to collect SMTP AUTH relevant configuration for Postfix

SYNOPSIS

       saslfinger [-chs]

DESCRIPTION

       saslfinger  is  a utility to collect SMTP AUTH relevant configuration for Postfix. Depending on how you run it, it will search for informa-
       tion on server-side or client-side SMTP AUTH configuration settings in Postfix and Cyrus SASL.

OPTIONS

       -c     If you run saslfinger with the option -c it will collect data required for client-side SMTP AUTH.  Client-side  SMTP  AUTH  is  when
	      Postfix smtp daemon uses SMTP AUTH to authenticate itself with a remote mail server that offers SMTP AUTH.

	      saslfinger will try to telnet to all hosts listed in smtp_sasl_password_maps, if it may read smtp_sasl_password_maps

	      The  telnet  test  verifies  your host is able to reach the remote servers and shows what AUTH mechanisms they offer - in some cases
	      this is required to debug client-side SMTP AUTH.

	      Important: By default smtp_sasl_password_maps must be read-only to root, since these maps contain the  usernames	and  passwords	to
	      authenticate.  If  you  run  saslfinger  as  root access will be no problem, but saslfinger will fail if you lack the permissions to
	      access smtp_sasl_password_maps.

	      If you want to run the telnet test, but don't want to run saslfinger as root change permissions of smtp_sasl_password_maps  so  that
	      the user running saslfinger may access smtp_sasl_password_maps while you debug.

	      *note: You don't need to worry about saslfinger doing anything with the username or password stored next to the remote hosts in your
	      smtp_sasl_password_maps; saslfinger completely ignores these informations!

       -h     If you run saslfinger with the option -h it will print a little help message that tells you about the options you can use.

       -s     If you run saslfinger with the option -s it will collect data required for server-side SMTP AUTH.  Server-side  SMTP  AUTH  is  when
	      Postfix smtpd daemon offers SMTP AUTH to mail clients.

FILES

       saslfinger - the script you need to run.

       saslfinger.1 - the man page you are currently reading.

AUTHOR

       Patrick Koetter, <patrick.koetter@state-of-mind.de>, http://www.state-of-mind.de

       You will find the newest version of saslfinger at http://postfix.state-of-mind.de/patrick.koetter/saslfinger/.

BUGS

       Please report bugs to <patrick.koetter@state-of-mind.de>

Manuals 							       User							     saslfinger(1)
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