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Date:      Thu, 5 Aug 1999 16:12:51 -0500
From:      "David B. Aas" <dave@ciminot.com>
To:        "'Oscar Bonilla'" <obonilla@fisicc-ufm.edu>
Cc:        "'Ray Seals'" <rayseals@midwestis.com>, "'Thomas Uhrfelt'" <thomas.uhrfelt@plymovent.se>, <questions@freebsd.org>
Subject:   FW: Need consulting help with v3.2 firewall
Message-ID:  <000801bedf87$92edf580$0fc8a8c0@dave.ciminot.com>

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-----Original Message-----
From: Dave Aas [mailto:daveaas@townandcountry.org] On Behalf Of David B.
Aas
Sent: Thursday, August 05, 1999 4:02 PM
To: 'Oscar Bonilla'
Cc: 'Ray Seals'; 'Thomas Uhrfelt'; 'questions@freebsd.org'
Subject: RE: Need consulting help with v3.2 firewall


Thanks, Oscar!

I did as you suggested. I forgot to tell you in my prior message that I am
getting a console error message as follows:

"servername popper[number]: (v2.53) unable to get canonical name of client,
err=0"

The changes that I made did not help. I still cannot get thru with POP3
clients to the outside, and the above error message still appears on my
console.

I have attached the output of my "ipfw show" command. It is interesting that
I am denying UDP but I don't seem to be denying TCP.

I am not getting any console messages with the "log" command. I believe I
compiled without the "IPFIREWALL_VERBOSE" command. I can recompile this
easily.

By the way, what is the magic to allow ping? I changed the command to "allow
icmp from any to any" and it still won't let me ping!

Thanks for your help.

Dave Aas
dave@ciminot.com

> -----Original Message-----
> From: 'Oscar Bonilla' [mailto:obonilla@fisicc-ufm.edu]
> Sent: Wednesday, August 04, 1999 10:54 AM
> To: David B. Aas
> Cc: 'Ray Seals'; 'Oscar Bonilla'; 'Thomas Uhrfelt';
> questions@freebsd.org
> Subject: Re: Need consulting help with v3.2 firewall

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gateway# ipfw show
00100 50729 15065707 divert 8668 ip from any to any via xl1
00200  8092   532666 allow ip from any to any via lo0
00300     0        0 deny ip from any to 127.0.0.0/8
00400     0        0 deny ip from 129.1.1.0/24 to any in recv xl1
00500     0        0 deny ip from 208.149.231.0/30 to any in recv xl0
00500     0        0 deny ip from 208.149.231.0/30 to any in recv xl0
00600 84472 28952256 allow tcp from any to any established
00700     5      252 allow tcp from any to 208.149.231.82 25 setup
00710  2418   115936 allow tcp from any to any 110 setup
00800     0        0 allow tcp from any to 208.149.231.82 53 setup
00900     0        0 allow tcp from any to 208.149.231.82 80 setup
00910     0        0 allow tcp from any to 208.149.231.82 80 in recv xl1
00920     0        0 allow tcp from any to 208.149.231.82 3128 in recv =
xl1
01000  1998    87912 allow tcp from 208.149.231.80/30 to any setup
01100  2280   108308 allow tcp from 129.1.1.0/24 to any setup
01200     0        0 allow tcp from 208.149.231.26 to 208.149.231.82 21 =
setup
01300     2       96 allow tcp from 208.149.231.26 to 208.149.231.82 23 =
setup
01400  3364   421409 allow udp from any 53 to any
01500  8587   557142 allow udp from any to any 53
01600   501    38076 allow udp from any 123 to 208.149.231.82
01700   522    39672 allow udp from 208.149.231.82 to any 123
01800    19     1096 allow icmp from any to any
01850     0        0 allow tcp from any to any 110 setup
02100     2       88 allow tcp from any to any 113 in recv xl1
02200     0        0 allow tcp from any to any 113 out xmit xl1
10000     0        0 deny log tcp from any to any
10100  3615   410766 deny log udp from any to any
65535     0        0 deny ip from any to any
gateway#

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