Re: [Mldonkey-users] Traffic shaping

[Goswin Brederlow]

Juan <address@hidden> writes:

> El Jueves, 6 de Marzo de 2003 18:51, escribiste:
> > Juan <address@hidden> writes:
> > > Hi! I'm trying to enhace the wondershaper script to restric the traffic
> > > generated by mldonkey. I have created a mldonkey user with UID 1003 and I
> > > want to mark every packet with iptables:
> > >
> > > address@hidden:~# iptables -A OUTPUT -t mangle -m owner --uid-owner 1003 
> > > -j
> > > MARK --set-mark 1
> > > iptables: Invalid argument
> >
> > This line works, try it:
> > iptables -t mangle -A OUTPUT -m owner --uid-owner mldonkey -p tcp --dport
> > 4001 -j MARK --set-mark 101
> >
> > The marking doesn't realy help you though. You will want to use
> > connmark to mark this and all further packets of a connections
> > (including incoming). But that needs patching the kernel.
> >
> > MfG
> >         Goswin
> 
> Hi! thanx for the help. Now I can mark the packets of the mldonkey user, but 
> I'm having a problem when mldonkey is running, when I'm browsing I receive a 
> lot of errors:  "(113) No route to host". I'm using a modification of the 
> wshaper script, and I think I don't fill the buffers of the router (an ADSL 
> router). 

Many routers have problems handling a lot of connections and mldonkey
uses a lot. Try limiting the number of connections in mldoneky to 50
for testing purposes.
 
> I have investigated about connmark and I have patched the kernel. But I don't 
> know how to use it. I have tried this:
> 
> iptables -A OUTPUT -t mangle -m owner --uid-owner 1003 -j CONNMARK --set-mark 
> 1
> iptables -A OUTPUT -t mangle -m connmark --mark 1 -j MARK --set-mark 1
> 
> I suppose that "CONNMARK" mark is different that "MARK" mark, isn't it? I 
> don't know how to attach a filter with tc to filter by connmark, so I have 
> done that little trick.

Thats what I would do too. Not sure if tc can match connmark.

> Should I put something in the INPUT chain? I'm lost.

You can't realy shape input except by dropping it.

MfG
        Goswin