[98773] in North American Network Operators' Group
Criminals, The Network, and You [Was: Something Else]
daemon@ATHENA.MIT.EDU (Paul Ferguson)
Fri Aug 17 01:59:01 2007
From: "Paul Ferguson" <fergdawg@netzero.net>
Date: Fri, 17 Aug 2007 05:43:45 GMT
To: nanog@nanog.org
Errors-To: owner-nanog@merit.edu
Re-sending due to Merit's minor outage.
- ferg
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- -- Robert Blayzor <rblayzor@inoc.net> wrote:
>The fact that they're rejecting on a 5xx error based on no DNS PTR is a=
=3D
bit harsh. While I'm all for requiring all hosts to have valid PTR
records, there are times when transient or problem servers can cause a
DNS lookup failure or miss, etc. If anything they should be returning a=
=3D
4xx to have the remote host"try again later".
>
Oh, wait till you realize that some of the HTTP returns are bogus
altogether -- and actually still serve malware.
It's pretty rampant right now. :-/
- - ferg
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--
"Fergie", a.k.a. Paul Ferguson
Engineering Architecture for the Internet
fergdawg(at)netzero.net
ferg's tech blog: http://fergdawg.blogspot.com/
