Re: lug-bg: urgent help: Sofia Uni firewall

[vlk@xxxxxxxxxxxxxxxxx (Vesselin Kolev)]

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Znam az za kakvo pita i zatova mu otgovorih taka:))))))))
Politikata v SU e da ne sa dostypni otvyn portove ot 1 do 1023 (vkl).
Tova se pravi po mnogo prichini... niama da gi izlagam tuk.

Choveka se opitva otvyn da dostigne chrez SSH vryzka na
22/TCP (destination) otdalechena mashina:)) iavno e opitval i ne
e uspial i niama kak da uspee:)))

Izhoda e da pusne SSH na otdalechenata mashina na port>1024
i da si raboti kato horata na nepriveligerovan port:)))

  Tova e

On Thursday 12 September 2002 12:45, you wrote:
> Ot pispoto ti ne stava mnogo iasno dali tazi mashina, na koiato shte
> slagash Linux shte bade firewall ili shte se maskira ot takav.
> Ao e parvoto prosto triabva da pusnesh pres firewall box-a paketi idvashti
> na vanshnia interface s destination port 22...porta na koito ssh servera
> slusha za zaiavki (tova veche zavisi zali izpolzvash ipchains ili
> iptables...a moje i neshto drugo).
> Ako pak tazi mashina ti se maskira ot drug firewall...e triabva da se pipne
> na nego samia...ili da se logvash za nego i ot nego ssh sesia do tvoiata
> mashina...ili da se napravi PREROUTING na niakoi port kam 22 na tvoiata
> mashina.
>
> NN
>
> ----- Original Message -----
> From: "Vesselin Kolev" <vlk@xxxxxxxxxxxxxxxxx>
> To: <lug-bg@xxxxxxxxxxxxxxxxxx>
> Sent: Thursday, September 12, 2002 11:17 AM
> Subject: Re: lug-bg: urgent help: Sofia Uni firewall
>
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> >
> > Po princip vsichki TCP portove do 1024 (izkl. 80/tcp) po TCP (i UDP) sa
> > filtrirani.. taka, che mozhesh da polzvash proizvolen nezaet
> > port nad posochenia po-gore diapazon ot portove
> >
> >   Pozdravi
> >      Vesselin
> >
> > On Thursday 12 September 2002 10:47, you wrote:
> > > Ne e mnogo iasno dali mashinata, koiato shte pravish shte bade firewall
>
> ili
>
> > > tia shte se maskira ot takav?
> > >
> > > NN
> > > ----- Original Message -----
> > > From: "BIVOL BIVOL" <bivol@xxxxxxxx>
> > > To: <lug-bg@xxxxxxxxxxxxxxxxxx>
> > > Sent: Thursday, September 12, 2002 9:56 AM
> > > Subject: lug-bg: urgent help: Sofia Uni firewall
> > >
> > > > Zdraveite,
> > > > nalaga mi se speshno da instaliram linux za edin ot fakultetite na
> > > > SU. problema e 4e triabva da i svarsha taia rabote utre mejdu 18-21
> > > > za 3
>
> 4asa
>
> > > i
> > >
> > > > sled tova nima da ima fizi4eski dostap do mashinata...
> > > > Ta obrastma se ako ima niakoi ot adminite na SU da kazhat kak da si
> > >
> > > napravai
> > >
> > > > ssh-to da minvaa prez firewall-a
> > > > gledam 4e  http://debian.fmi.uni-sofia.bg e na port 2200
> > > > pls help..
> > > > Za debian: nesto me zarazihte s toia debian..vse za nego slusham :):)
> > >
> > > mnogo mi
> > >
> > > > se ste da go probvam vvrealni uslovia, no niamam opit s nego...
> > > > Edva li bih mogal da go podkaram za 3 4asa...
> > > > Ako mozhe niakoi da mi pomogne ste mu bada mnogo blagodaren-ot tova
> > > > niamam nikakav profit ->pravia go kato volunteer
> > > > Ako nikoi ne se navie ste slozha RH..s nego se opraviam..
> > > > Pozdravi,
> > > > Peter
> > > > ICQ: 108984925
>
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