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Re: [bug-inetutils] "echo" dgram service in *inetd and UDP packets with

From: Stephane Chazelas
Subject: Re: [bug-inetutils] "echo" dgram service in *inetd and UDP packets with source port 7
Date: Thu, 27 Nov 2014 20:07:43 +0000
User-agent: Mutt/1.5.21 (2010-09-15)

2014-11-27 18:19:41 +0100, Marco d'Itri:
> On Nov 27, Stephane Chazelas <address@hidden> wrote:
> > As a hardening feature, would it make sense for the "echo"
> > service not to answer requests if they come with identical
> > source and destination port? Maybe worth adding a note in the
> > manual that the echo UDP service can be used in various attacks
> > as well.
> Welcome to the '90s.

I know. Yet, that "builtin" service is still there in the 2014
implementations of inetd and people ask about them:



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