SCO -> FreeBSD prechod

Vladimir Guzma vg at cs.tut.fi
Wed Jan 30 15:12:59 CET 2002


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> mam ipf-based firewall s default policy 'block all'. na stroji mam
> > pravidla zhruba taketo:
> 
> pass in quick on lo0 all
> pass out quick on lo0 all
> block in log on xl0 all
> pass in quick on xl0 proto tcp from any to 62.168.97.98/32 port = 25
> keep state pass out quick on xl0 proto tcp/udp from 62.168.97.98/32 to
> any keep state keep frags pass out quick on xl0 proto icmp from
> 62.168.97.98/32 to any keep state  
> 
> vsetko funguje normalne, viem nadvazovat konekcie smerom NA masinu, aj
> smerom Z masiny. obcas sa mi vsak deje vec, kedy NEMOZEM nadviazat
> connection Z daneho stroja NA extreny smtp server. pritom zvonka sa NA
> smtp demon na danom stroji pripojim a normalne komunikujem. podotykam,
> ze ten outbound problem sa nedeje vzdy, resp. nieje to permanentny
> stav. som z toho nestastny (a v prechode na ipfw nevidim rozumne
> riesenie). nejake napady?
> 
Zaujimave... co tak to skusit logovat a analyzovat ?:-)

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