Re: How to block a dictionary attack

2010-04-12 Thread Vladimir Klejch
Hi i use in this way fail2ban (http://www.fail2ban.org/). and not only for imap ... fail2ban is confugurable for other net services too. Kleo On Mon, 12 Apr 2010, ram wrote: I am seeing this pattern now very often. Every weekend someone tries to

Re: How to block a dictionary attack

2010-04-12 Thread Eric Knudstrup
ram wrote: I am seeing this pattern now very often. Every weekend someone tries to gain unauthorized access to the my imap servers by trying random username / passwords Yesterday by afternoon someone had tried half a million times on my servers from 62.141.37.141. I have written to the

How to block a dictionary attack

2010-04-11 Thread ram
I am seeing this pattern now very often. Every weekend someone tries to gain unauthorized access to the my imap servers by trying random username / passwords Yesterday by afternoon someone had tried half a million times on my servers from 62.141.37.141. I have written to the abuse contact