Great Circle Associates Firewalls
(October 1997)
 

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Subject: R: Firewalls, and virus
From: "Franco RUGGIERI" <fruggieri @ selfin . net>
Date: Thu, 23 Oct 1997 13:50:21 +0200
To: "David Lang" <dlang @ diginsite . com>
Cc: "GreatCircle forum" <firewalls @ GreatCircle . COM>

Am I right if I interpret your:

Quote
> As a firewall does not run any new programs after it is setup a virus
cannot get on > the machine. 
Unquote

as an indirect "must not" against using the firewall machine as an
application one too, which I sometimes saw as a marketing advantage of NT
firewalls?

Maybe it's a trivial question for most of you, but not for me.
Franco
-------------------------------
Franco RUGGIERI
Via Francesco ACRI 24
00142 ROMA (Italy)
++39-6-5430326
Cell: 0368-3147231
fruggieri @
 selfin .
 net

----------
> Da: David Lang <dlang @
 diginsite .
 com>
> A: Vandana Shah <vana .
 shah @
 asu .
 edu>
> Cc: Gary Crumrine <gcrum @
 us-state .
 gov>; Firewalls @
 GreatCircle .
 COM
> Oggetto: RE: Firewalls, and virus
> Data: martedì 21 ottobre 1997 19.47
> 
> for a virus to bother you you must run the infected file. As a firewall
> does not run any new programs after it is setup a virus cannot get on the
> machine. A trojan horse is only a problem if it is one of the programs
you
> install on the firewall. Again it boils down to the fact that you should
> only install programs youtrust on your firewall.
> 
> David Lang
> 
> 
> On Mon, 20 Oct 1997, Vandana Shah wrote:
> 
> > Can u make this more clear?
> > What i got from below is like, virus will not cause problems on 
> > firewall, but trojan horse may.
> > 
> > The reason that u explained, i couldn't get it clearly.
> > Can u explain it in more detail.
> > 
> > Thanxx
> >  On Mon, 20 Oct 1997, Gary Crumrine wrote:
> > 
> > > Trojan horse possibly, virus??? I don't think so.  There 
> > > are many know attacks, that usually attack something other 
> > > than the firewall itself.  For example, Sendmail.  If you 
> > > gain root but exploiting  known hacks, then you have 
> > > control.  A smart hacker type would usually use this as a 
> > > jump point rather than kill your system.  By the nature of 
> > > the way they pass data through, I don't think virus 
> > > problems should occur.
> > > 
> > > On Saturday, October 18, 1997 5:19 PM, Vandana Shah 
> > > [SMTP:vana .
 shah @
 asu .
 edu] wrote:
> > > | hello,	
> > > | 	I have a question, that whether firewall can itself be
> > > | 	infected by
> > > | virus or Trojan Horse.
> > > | If yes, why and if not why not?
> > > | reply back
> > > | -Vandana
> > > |
> > > | *********
> > > | Vandana Shah
> > > | 1031 E Lemon Street, #31
> > > | Tempe, AZ 85281
> > > |
> > > | ph: (602)927-9720
> > > | email: vshah @
 asu .
 edu*******
> > > 
> > > 
> > 
> > *********
> > Vandana Shah
> > 1031 E Lemon Street, #31
> > Tempe, AZ 85281
> > 
> > ph: (602)927-9720
> > email: vshah @
 asu .
 edu
> > 
> > 


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