Date: Wed, 3 Nov 1999 10:36:03 -0500 (EST) From: Cliff Addy <fbsdlist@federation.addy.com> To: questions@FreeBSD.ORG Subject: help reading tcpdump output Message-ID: <Pine.BSF.3.95q.991103103343.10481A-100000@federation.addy.com> In-Reply-To: <199909241425.AA052523114@broccoli.graphics.cornell.edu>
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We're swapping nameservice to a new machine and I ran tcpdump to watch what's still going to port 25 on the old machine. I'm seeing a lot of strange packets I don't understand, such as 10:31:26.360261 207.115.59.220.53 > 207.239.68.2.53: 16144 (30) 10:31:28.991805 209.180.245.130.53 > 207.239.68.2.53: 757 (37) 10:31:29.846414 131.15.136.2.8673 > 207.239.68.2.53: 61184 (32) 10:31:30.520673 194.22.190.5.3693 > 207.239.68.2.53: 48437 (35) 10:31:33.071580 152.163.189.173.4393 > 207.239.68.2.53: 49123 (35) 10:31:33.160418 152.163.189.107.33509 > 207.239.68.2.53: 46930 (35) 10:31:34.737555 193.40.41.2.53 > 207.239.68.2.53: 17396 (44) 10:31:34.855451 152.163.189.107.33509 > 207.239.68.2.53: 46988 (42) 10:31:41.150033 152.163.189.173.4393 > 207.239.68.2.53: 49415 (42) 10:31:41.546107 12.29.36.138.3596 > 207.239.68.2.53: 48366+ (28) 10:31:44.712519 198.6.1.2.53 > 207.239.68.2.53: 45754 (30) (DF) What is this stuff? Cliff To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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