[ale] iptables traffic mgmt

Bob Toxen transam at verysecurelinux.com
Sat Mar 10 15:45:38 EST 2007


You'd do a lot better with Linux Traffic Shaping on your system.

Nobody pays attention to the "fast" or "reliable" bits.

Bob

On Fri, Mar 02, 2007 at 05:38:10PM -0500, Jim Popovitch wrote:
> Every now and then (while working on too many things at the same time) I
> suddenly need to do something over the internet that has (IMO) a higher
> priority than anything else I am working on.  The important task could
> be anything from ssh to vpn related to ssh.  I want to develop a script
> that would take all existing connections and use iptables to
> de-prioritize them (not necessarily QoS) by reducing their network
> bandwidth utilization so that my new important (temporary) task can
> proceed.  For instance, right now, I am patching a win2k host with MS
> Office patches and backing up my laptop to a remote host over a vpn.
> But now I need to connect to a remote system and do some quick tests.  I
> don't want to stop the office update, nor the backup, I'd just like to
> slow down their network utilization so that my remote session (VNC over
> a vpn) isn't majorly affected.  Ideally I'd run a script that built a
> list of "top" connections, then used iptables to throttle them somehow
> without breaking those connections.  Any ideas on how to go about doing
> this?
> 
> -Jim P.
> 
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