Re: SMTP over HTTP traffic, looks fishy.

From: zHihaO (zhihao@root.sg)
Date: Tue Jul 04 2006 - 04:01:13 EDT


hi killy,

could be due to the fact that smtp traffic coming out from china is
filtered heavily at the chinese border routers. even myself tunnel smtp
through http ports to get pass all those filtering the chinese
government have in place. you might wanna take a look at this :
http://en.wikipedia.org/wiki/Internet_censorship_in_China,

./zhihao

killy wrote:
> Over the last several days, we have seen a significant increase in the
> attempts to tunnel SMTP through HTTP. Most of these attacks have come
> out of China in the past.
>
>
> Can anyone shed a little light into what they are trying to accomplish?
>
>
>
> We went from a high average of 400 attempts to 700 in recent days.
>
>
> TIA
>
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This List Sponsored by: Cenzic

Concerned about Web Application Security?
Why not go with the #1 solution - Cenzic, the only one to win the Analyst's
Choice Award from eWeek. As attacks through web applications continue to rise,
you need to proactively protect your applications from hackers. Cenzic has the
most comprehensive solutions to meet your application security penetration
testing and vulnerability management needs. You have an option to go with a
managed service (Cenzic ClickToSecure) or an enterprise software
(Cenzic Hailstorm). Download FREE whitepaper on how a managed service can
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And, now for a limited time we can do a FREE audit for you to confirm your
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