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Date:      Thu, 24 May 2001 19:41:52 -0400
From:      Jeff Dugan <jdugan21@home.com>
To:        freebsd-questions@FreeBSD.org
Subject:   IPFilter Troubles
Message-ID:  <3B0D9C40.2763825B@home.com>

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I'm having some troubles with the IPFILTER_DEFAULT_BLOCK kernel option.

When i try to ping either internal (ed0) or external (xl0) hostnames, i
get.....
# ping myhost
PING myhost.mynet.org (192.168.24.1): 56 data bytes
ping: sendto: No route to host.  (x3)
^C
--- myhost.mynet.org ping statistics ---
3 packets transmitted, 0 packets received, 100% packet loss

if i ping extHost....same result.
if i ping anything else,...it works fine !

When i compile my kernel without IPFILTER_DEFAULT_BLOCK, the problem is
solved (obviously)
Since it is far better to deny-first open-later than it is to open-first
deny-later, I am in need of assistance.

I initially thought that this was a problem with my rules, so I tried
opening everything, that did not work.
I've tried soooo many combinations it not even funny!  I tired modifying
the ipnat mapping,...
I sent my rules (ipf & ipnat) to a colleague running IPF,..they work
great on his system.

That colleague suggested running router="routed" router_flags="-s"
router_enabled="YES", but this did not solve the prob,....
Another suggested using the < option BRIDGE  and option IPSTEALTH > in
the kernel, but that didn't work....

Any suggestions ?

________________________
jeff dugan


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