Date: Tue, 19 Dec 2000 13:51:04 -0500 From: Hasan Azam Diwan <diwanh@cs.rpi.edu> To: dmaddox@sc.rr.com Cc: current@FreeBSD.ORG Subject: Re: Interesting new messages in logs Message-ID: <200012191851.NAA14078@cs.rpi.edu> In-Reply-To: Message from "Donald J . Maddox" <dmaddox@sc.rr.com> of "Tue, 19 Dec 2000 13:20:57 EST." <20001219132057.A1338@cae88-102-101.sc.rr.com>
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To answer your first question, a port need not be open in order to receive connections. To answer your second, these appear to be IPv4 addresses encapsulated as IPv6 addresses. > Dec 19 12:21:04 cae88-102-101 /boot/kernel/kernel: Connection attempt to TCP > ::0001:25 from ::0001:1286 > Dec 19 12:24:08 cae88-102-101 /boot/kernel/kernel: Connection attempt to TCP > ::0001:25 from ::0001:1299 > Dec 19 12:27:13 cae88-102-101 /boot/kernel/kernel: Connection attempt to TCP > ::0001:25 from ::0001:1308 > Dec 19 12:39:28 cae88-102-101 /boot/kernel/kernel: Connection attempt to TCP > ::0001:25 from ::0001:1336 > Obviously, this machine is using log_in_vain, and it appears obvious > that these are local smtp transactions. It is _not_ obvious, at > least to me, why they are now being logged as if port 25 was not > open. Also, why the odd format in the addresses? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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