Re: [Postfixbuch-users] Port 110 temporär gesperrt?

Jim Knuth 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!?





Mehr Informationen über die Mailingliste Postfixbuch-users