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Date:      Fri, 28 Feb 2003 15:52:36 +0100
From:      Igor Pokrovsky <igor.pokrovsky@cnrm.meteo.fr>
To:        "Patrick M. Hausen" <hausen@punkt.de>
Cc:        stable@freebsd.org
Subject:   Re: problems with getting through firewall using CVSup
Message-ID:  <3E5F77B4.4392E9FD@cnrm.meteo.fr>
References:  <200302281442.h1SEg0RV042490@hugo10.ka.punkt.de>

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Patrick M. Hausen wrote:
> 
> Hi!
> Sergey Osokin wrote:
> 
> > > Is there any way to make it work?
> > > To fool firewall?
> >
> > Yes, looks like a bad/fool/stupid firewall administriva.
> 
> No. This looks exactly like the correct way to implement
> a firewall.
> 
> Everything which is not on the "explicitly permitted" list
> is denied by default.
> 
> So users tring new and "interesting" protocols and services
> have to check if what they are trying to do is in accordance
> with the security policy first.
> 
> I know, there are lots of companies that permit any inside
> initiated TCP connection. I'd call this stupid if not
> explicitly decided upon and documented.
Yes. I agree, maybe this is a good policy. And moreover
I think that they closed port 5999 on firewall because
of my activities :-) Perhaps they thought that I'm trying
do something, which will break their security. Maybe because
port number is not very popular :-)

> And last - maybe they are running a strict application level
> gateway like Gauntlet or Sidewinder? If this is the case the
> admin must define a custom TCP proxy for CVSup, first.
No. Fortunatly.

But is there any way to do anything without asking firewall
admin to open 5999 port?

-- 
Igor


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