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Old 02-20-2004, 06:51 AM   #1
Registered: Nov 2001
Location: NRW, Germany
Distribution: SLES / FC/ OES / CentOS
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limit bandwidth control router linux


I use a server as a squid proxy and router.

I would like to limit the bandwidth of routing a special server.

Is this possible ?

I` am using SLES8 and SuSeFirewall 2.
Old 02-20-2004, 07:24 AM   #2
Registered: Feb 2004
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You mean all connections going via squid proxy? I'm sure there is a param in the squid.conf file . can't remember now. Check
Old 02-20-2004, 07:40 AM   #3
Registered: Nov 2001
Location: NRW, Germany
Distribution: SLES / FC/ OES / CentOS
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I would like only to restrict one ip which is routed!

We use a mailserver which users the router to send and receive email. But some users like to send 100.000 mails each 5MB large so the whole internetconnetion is affected.

And i would like to limit the bandwith of the routed email-traffic !
Old 02-20-2004, 08:12 AM   #4
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Location: Szczecin, Poland
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There are several useful kernel patches in the netfilter patchomatic-base system,
eg, connlimit - restrict the number of active connections
quota - set a connection quota and response
dstlimit - set a bandwidth limit against destination addresses

and from the patchomatic-pending system,
connbytes - to match volumes sent, against any other parameter
mms-conntrack - to match streaming media (bandwidth hogs)

as well as the basic netfilter/iptables limit match..
Old 02-24-2004, 07:23 AM   #5
Registered: Feb 2004
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In addition to that, if you're using sendmail then you can add directives to control the size of the email.
Old 02-24-2004, 10:42 AM   #6
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Another solution is to use QoS. The disadvantage for now, is that you may have tools which can do the same things and they are easier/faster to install/configure. The advantage is that with QoS, you can extend that to all other traffic


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