[77901] in North American Network Operators' Group
Re: Collecting PTR names or IP addresses (Was: Re: IRC Bot list
daemon@ATHENA.MIT.EDU (Gadi Evron)
Mon Feb 14 04:38:01 2005
Date: Mon, 14 Feb 2005 11:32:37 +0200
From: Gadi Evron <gadi@tehila.gov.il>
To: Adam Jacob Muller <adam@gotlinux.us>
Cc: Ketil Froyn <kfroyn@gnr.com>, nanog@nanog.org
In-Reply-To: <7f4f0c8b5f08182cc55785ee192afdae@gotlinux.us>
Errors-To: owner-nanog-outgoing@merit.edu
Adam Jacob Muller wrote:
>
> Not possible with most modern IRCD's since they check forward and
> reverse dns.
> So for example if your address is:
> 1.2.3.4
> and that resolves to:
> 1-2-3-4.dsl.verizon.net
> the ircd make sure that:
> 1-2-3-4.dsl.verizon.net
> resolves back to
> 1.2.3.4
>
> it's a simple and elegant solution that basically stops spoofing of this
> nature, on IRC anyway....
Wrong. On your IRCd. Not on mine.
Do I want to run my drone army on your IRCd?
