Great Circle Associates Firewalls
(January 1995)
 

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Subject: PC using external service
From: Jaakko Manninen <jak @ pot . hole . fi>
Date: Fri, 6 Jan 1995 00:17:05 +0200 (EET)
To: firewalls @ GreatCircle . COM

	Has anyone looked into the possibility of a user on a network under
      a Firewall running a SLIP/etc connection?  Example.
      
        You have a closed 1200+ PC-machine LAN, connected to the Net thru
      a BSDI+Firewall.  One PC-end user in his days of wisdom decides to
      purchase a SLIP-connection to a local INet provider.  He enables "IP
      Routing" from his Windows for Workgroups, and someone on the net "sees"
      or hears about this, and decides to route himself into the "firewalled"
      network thru this machine... Boom.
      
        I couldn't think of an easy way to disable this possibility, other
      than telling the end user not to do this.  Any hints/ideas?
            
--
Jaakko Manninen	
Parcomp Oy Ab


Follow-Ups:
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From: Toni Mueller <toni @ hamlet . oberberg . rhein . de>
Next: Re[2]: TCP/IP + IPX firewall solutions ?
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Indexed By Thread Previous: Email packages sending out stats (was Re: scanning email ...)
From: lavondes @ tidtest . total . fr (Michel Lavondes)
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From: Steve Moores <steve @ ccgc . tc . gc . ca>

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