nanog mailing list archives
Re: AS11296 -- Hijacked?
From: Andrew Kirch <trelane () trelane net>
Date: Wed, 29 Sep 2010 13:10:08 -0400
On 9/29/2010 12:26 PM, N. Yaakov Ziskind wrote:
"I block all SMTP traffic from IPV4 servers (clients?) which have odd numbers in the third octet." might not be a good idea for a high volume mail server with clients, but if it's your network, go for it.
Sadly this method would on average block 97% spam, 3% ham, and statistically be highly effective.
Current thread:
- AS11296 -- Hijacked? Ronald F. Guilmette (Sep 28)
- Re: AS11296 -- Hijacked? Heath Jones (Sep 28)
- <Possible follow-ups>
- Re: AS11296 -- Hijacked? Heath Jones (Sep 28)
- Re: AS11296 -- Hijacked? khatfield (Sep 28)
- Re: AS11296 -- Hijacked? Ronald F. Guilmette (Sep 29)
- Re: AS11296 -- Hijacked? jim deleskie (Sep 29)
- Re: AS11296 -- Hijacked? Rich Kulawiec (Sep 29)
- Re: AS11296 -- Hijacked? deleskie (Sep 29)
- Re: AS11296 -- Hijacked? Heath Jones (Sep 29)
- Re: AS11296 -- Hijacked? N. Yaakov Ziskind (Sep 29)
- Re: AS11296 -- Hijacked? Andrew Kirch (Sep 29)
- Re: AS11296 -- Hijacked? Scott Howard (Sep 29)
- Re: AS11296 -- Hijacked? William Herrin (Sep 29)
- Re: AS11296 -- Hijacked? jim deleskie (Sep 29)
- Re: AS11296 -- Hijacked? Heath Jones (Sep 29)
- RE: AS11296 -- Hijacked? George Bonser (Sep 29)
- Re: AS11296 -- Hijacked? Heath Jones (Sep 29)
- RE: AS11296 -- Hijacked? Nathan Eisenberg (Sep 29)
- RE: AS11296 -- Hijacked? George Bonser (Sep 29)
- RE: AS11296 -- Hijacked? Nathan Eisenberg (Sep 29)
- RE: AS11296 -- Hijacked? George Bonser (Sep 29)
- RE: AS11296 -- Hijacked? Justin Horstman (Sep 29)