Date: Fri, 21 May 1999 10:44:51 +0200 From: Neil Blakey-Milner <nbm@mithrandr.moria.org> To: Greg Quinlan <greg@qmpgmc.ac.uk> Cc: freebsd-security@FreeBSD.ORG Subject: Re: Server trying to connect to Port 113 Message-ID: <19990521104451.A53814@rucus.ru.ac.za> In-Reply-To: <001f01bea364$57d9c820$380051c2@greg.qmpgmc.ac.uk>; from Greg Quinlan on Fri, May 21, 1999 at 09:31:37AM %2B0100 References: <001f01bea364$57d9c820$380051c2@greg.qmpgmc.ac.uk>
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On Fri 1999-05-21 (09:31), Greg Quinlan wrote: > I am not on the mailing list so please include me in your reply. > > Can someone explain what this remote system is trying to do? > > May 21 09:22:14 amanda /kernel: ipfw: 24110 Deny TCP <their ip>:1937 <our > ip>:113 in via fxp1 > May 21 09:22:35 amanda last message repeated 3 times > > Extract from /etc/services > > auth 113/tcp ident tap #Authentication Service > auth 113/udp ident tap #Authentication Service It's trying to work out who's doing something to them. Things like IRC, squid, mail, news, and other services sometimes want to know which user on a system is doing things to it. It can usually be ignored. Neil -- Neil Blakey-Milner nbm@rucus.ru.ac.za To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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