On 12 Jul 2014, at 17:18, Aniyan Rajan <aniyan.raj...@gmail.com> wrote:

> i have the following connects in /var/log/apache2/access.log. Are they 
> dangerous ? Do I have to prevent it by installing modsecurity ? Please 
> suggest. Thanks.
> 
> 61.228.25.63 - - [06/Jul/2014:12:27:57 +0000] "CONNECT mx2.mail2000.com.tw:25 
> HTTP/1.0" 405 530 "-" "-"


It looks like somebody was scanning if your web server can be used as a proxy 
for delivering spam email. It’s pretty normal to see this.

According to the status codes, it was unsuccessful. You’re likely not 
vulnerable to this type of attack.

-- 
Walter Hop | PGP key: https://lifeforms.nl/pgp

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