Fedora Users — Re: TCP/IP stack questions on timeouts and dropping connections.

Yep, all understood there. And lord knows I with I was using apache here except I'm using a proprietary application that I can't hack on and so the question about if it was possible at an OS level.

It's linux, of course there is a way. I was just hoping perhaps it might be a sysctl call rather than C code. :)

Igor Guarisma wrote:

I'm going with Mike here! I don't really think there's
a way to do this with the kernel nor iptables (which
is part of the kernel), and I'm sure that that Apache
option will work fine on the case of a WebServer.

I think you can work on a script that get a netstat
and get from there the connections on TIME_WAIT and
meassure the time somehow and given some time, kill
the connection.

 
 --- Mike McGrath <mmcgrath@xxxxxxxxxxxxx> escribió:

-----Original Message-----
From: fedora-list-bounces@xxxxxxxxxx 
[mailto:fedora-list-bounces@xxxxxxxxxx] On Behalf

Of Naoki

Sent: Tuesday, July 26, 2005 2:55 AM
To: fedora-list@xxxxxxxxxx
Subject: TCP/IP stack questions on timeouts and

dropping connections.

Hi all,

Quick question.  Is there a way (kernel parameter

or iptables

hack ) to drop connections that last over an

arbitrary time

value. Even better would be the ability to

restrict that rule

to a specific TCP port.  So for example drop

connections to

port 80 that have been established for over 20

seconds?

A little odd to want to do this I know...

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Often times this is controlled by the application. 
In your example if
using apache you can use the TimeOut directive.  I
would assume you only
want to drop connections that are idle?  I do not
know of any way to set
this in the kernel.

http://httpd.apache.org/docs/2.0/mod/core.html#timeout

	-Mike


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