[30476] in North American Network Operators' Group
Re: g.root-servers.net returns NXDOMAIN for com.
daemon@ATHENA.MIT.EDU (Josh Richards)
Tue Aug 8 13:32:25 2000
Date: Tue, 8 Aug 2000 10:09:37 -0700
From: Josh Richards <jrichard@cubicle.net>
To: North America Network Operators Group Mailing List <nanog@merit.edu>
Message-ID: <20000808100937.A31827@datahaven.freedom.gen.ca.us>
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In-Reply-To: <20000805005230.097F28B@proven.weird.com>; from woods@weird.com on Fri, Aug 04, 2000 at 08:52:30PM -0400
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* Greg A. Woods <woods@weird.com> [20000804 17:35]:
[..]=20
> Assuming this isn't a spoofed reply, it may give some indication as to
> the source of the problems it had though:
>=20
> $ host -t txt -c ch version.bind g.root-servers.net
> VERSION.BIND TXT "8.1.2-P2"
[..]
host -t txt -c ch version.bind <server> results:
a.root-servers.net VERSION.BIND TXT "8.1.2"
b.root-servers.net VERSION.BIND TXT "8.2.2-P5"
c.root-servers.net VERSION.BIND TXT "8.2.2-P5"
d.root-servers.net VERSION.BIND TXT "8.2.2-P5"
e.root-servers.net VERSION.BIND TXT "8.2.3-T5B"
f.root-servers.net (not responding)
g.root-servers.net VERSION.BIND TXT "8.1.2-P2"
I understand the usefulness of version (and *cough* platform *cough*)=20
diversity, but presuming these are correct, isn't the 'a' root vulnerable t=
o=20
several exploits, and 'g' likely as well? Although 8.1.2-P2 may be a custom=
=20
(fixed?) build since I've never seen/heard of a patchlevel 2 for 8.1.2, onl=
y=20
8.2.2 (but I may just have missed it).
-jr
----
Josh Richards [JTR38/JR539-ARIN]
<jrichard@cubicle.net/fix.net/freedom.gen.ca.us/geekresearch.com>
Geek Research LLC
IP Network Engineering and Consulting
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