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Re: source routing: msg#00109

Subject: Re: source routing
Nu sint sigur ca asa e, n-am mai folosit ipfw de mult:
ipfw add <rule number> fwd <ip> <proto> from <src> to <dst>
In orice caz, man page-ul te va lamuri.



On Thu, 16 Sep 2004 16:53:10 +0300 (EEST), Cristian Ursuleanu
<cristi-DKpniwQfo6E@xxxxxxxxxxxxxxxx> wrote:
> 
> poti sa-mi spui cum se poate face cu ipfw pentru 4.x?
> 
> sau da-mi un link ...
> 
> ideea e urmatoarea:
> am un server cu 2 conexiuni la internet prin 2 provideri.
> 
> in spate e o retea LAN.
> 
> vreau ca portul 80 sa plece pe un provider, iar restul de trafic prin
> celalalt provider.
> 
> momentan nu am folosit decat FreeBSD 4.x si doar ipfw.
> nu am folosit niciodata ipf, dar daca trebuie nu e o problema.
> 
> asta am facut cu iproute2 si iptables pe linux. pe FreeBSD nu am nici o
> idee.
> 
> merci.
> 
> On Thu, 16 Sep 2004, Alex Popa wrote:
> 
> > On Thu, Sep 16, 2004 at 12:41:17AM +0300, Cristian Ursuleanu wrote:
> > >
> > > Stie cineva cum se face (sau daca se poate face) 'source routing' in
> > > freeBSD?
> > >
> > > Pe linux se face cu iproute2 , si e ok.
> > >
> > > am cautat despre asta si se pare ca doar in 5.3 's-ar putea' sa fie.
> > >
> > > eu as dori o solutie pe 4.X.
> > >
> > > merci.
> >
> > Depinde ce intelegi prin "source routing".  Majoritatea sistemelor de
> > operare de pe routere pur si simplu arunca la gunoi pachetele cu
> > optiunea de source routing.  Vezi de exemplu FreeBSD, verifici cu
> > $ sysctl -a | grep source.
> >
> > Daca prin source routing intelegi source-based routing, adica de fapt
> > policy-based routing, vezi un articol scris de subsemnatul la
> > http://www.bsdnews.org/01/policy_routing.php
> >
> > E pentru ipfilter, se poate si cu ipfw.  Daca esti chiar curajos, cred
> > ca poti sa le folosesti pe ambele pentru asta...
> >
> >
> > Alex
> >
> > PS:  ipf policy routing + keep state mi-a facut probleme la un anume
> > moment.  Incearca fara keep state pentru pachetele la care faci routing
> > din ipf daca ai si tu probleme.
> >
> > ------------+-------------------------------------------------------
> > Alex Popa,  |  "Computer science is no more about computers than
> > razor-EnhvrSxvaSc@xxxxxxxxxxxxxxxx|     astronomy is about telescopes" -- 
> > E. W. Dijkstra
> > ------------+-------------------------------------------------------
> > __________________________________________________________
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> > unsubscribe
> >
> >
> __________________________________________________________
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> 
> 



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