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Date:      Mon, 19 Jul 1999 18:02:04 -0500
From:      Ivan Villalobos <denp@acnet.net>
To:        freebsd-questions@FreeBSD.ORG
Subject:   FreeBSD + Cisco Access Lists
Message-ID:  <4.1.19990719175537.009b7900@mailmtx.acnet.net>

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Hi there, 

I did not know where to post this to, I hope someone can help me or clarify
this for us.

We just started adding some FreeBSD servers to our network, but we are just
facing a problem.

When we put an access list on a cisco router, blocking all incoming ICMP
traffic to the FreeBSD server, the server (a DNS server) is not able to
resolve any name, when we take the access list out, it works. It would
appear at first glance that there is a problem in the access list, but the
other DNS server, running Solaris x86 2.6 work just fine, same access list.
What is more, this FreeBSD installation is replacing an old Solaris x86
server, that worked just fine with the same access list.

My question is: is there anything special in the TCP/IP code that might be
affecting our installation of FreeBSD?, the release we are running is
3.2-RELEASE.

Any idea, suggestion will be GREATLY appreciated.

Best regards.


Ivan Villalobos
AcNet USA, Inc.
Network Services NOC. McAllen, TX.


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