Re: [Postfixbuch-users] Port 110 temporär gesperrt?
jk at jkart.de
Mo Aug 4 23:06:37 CEST 2003
----- Original Message -----
From: "Ralf Hildebrandt" <Ralf.Hildebrandt at charite.de>
To: "Eine Diskussionsliste rund um das Postfix-Buch."
<postfixbuch-users at listi.jpberlin.de>
Sent: Monday, August 04, 2003 10:52 PM
Subject: Re: [Postfixbuch-users] Port 110 temporär gesperrt?
> * Jim Knuth <jk at jkart.de>:
> This message indicates that the inetd (Internet super-server) daemon
> received too many requests for a specific service. By default inetd
> limits this to 1000 connections every 60 seconds.
> This message may occur due to any of the following reasons:
> Too many service requests occurred in a short interval.
> A broken client program is requesting a service too often.
> A malicious user is running a program that is flooding the server with
> too many requests, to deny service to other users.
> The invoked service program has an error causing clients to retry
> their requests for services too quickly.
> If only the first problem exists, you may use inetd's -R option to
> increase the rate limit (see man inetd for more information.)
Also sowas wie DoS!?
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