linux-kernel - Re: [discuss] portmapping sucks

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Message-ID: <3d57814d0701241619l4b9239fdk78342f08469bbbd7@mail.gmail.com>
Date:	Thu, 25 Jan 2007 10:19:52 +1000
From:	"Trent Waddington" <trent.waddington@...il.com>
To:	"Jan Engelhardt" <jengelh@...ux01.gwdg.de>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: [discuss] portmapping sucks

On 1/25/07, Jan Engelhardt <jengelh@...ux01.gwdg.de> wrote:
> There are a number of common ports in the 512-1023 range. All
> obsolescence and meaninglessness aside, there _are_ rather "important"
> services in that range, ldaps, rtsp, kerberos, rsync, ftps, imaps, just
> to name a few from /etc/services. This map-to-random-port behavior is a
> total DoS thing.

Any reason why you can't make a one line code change to use a better
range?  Or add a blacklist?

Trent
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