Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 05 Jun 1998 09:42:37 +0200
From:      sthaug@nethelp.no
To:        roberto@keltia.freenix.fr
Cc:        freebsd-security@FreeBSD.ORG
Subject:   Re: /usr/sbin/named
Message-ID:  <23827.897032557@verdi.nethelp.no>
In-Reply-To: Your message of "Mon, 1 Jun 1998 11:51:12 %2B0200"
References:  <19980601115112.A10806@keltia.freenix.fr>

next in thread | previous in thread | raw e-mail | index | archive | help
> > Also... Is there any reason for this daemon to run as root, other than
> > binding to port 53? Would it be possible and reasonable to patch it to
> > give up root after binding to the port? 
> 
> Zone transferts are done by connecting tcp(53) to tcp(53). Name resolution
> between servers are using 53 too so you'll need to bind several times on
> that port.

Name resolution between servers (ie. a server sends a query to another
server) is done using port 53 in BIND-4.9.x (ie. the standard FreeBSD
setup). In BIND-8.1.x, queries from the server itself are *not* sent
from port 53 unless you specifically tell named to do so.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe security" in the body of the message



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?23827.897032557>