Hello i'm trom

Rick Murphy rmurphy@mitretek.org
Mon, 15 Jun 1998 09:19:13 -0400


At 03:04 AM 6/13/98 -0700, trom H wrote:
>If a network is protected by a firewall (TIS) under Linux . If i have
>let in the kernel the IP forwarding , what is the danger ? and how (if
>possible) attack can be done ?
If IP forwarding is enabled, someone simply directs their traffic through
the firewall - the firewall proxies never see the traffic, thus it's simply
acting as a wide-open router.
You must disable ip forwarding for the firewall to be effective.
	-Rick