From: Aniyan R. <ani...@gm...> - 2013-07-05 15:27:15
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Fabian, > I looks like your server is to slow to answer this huge amount of > requests. :) > > How did you identify that ? Please let me know. > Now seriously. I do not know about Dovcot, but on my Cyrus > IMAP/POP server I can configure how many connection it should > accept at most. Google showed me, that Dovecot also could do > this, e.g. client_limit, see [1]. A useful value depends on your > user base. > I will add client_limit, but I think the connections in my dovecot.log are independent connections. They arrive at different time. client_limit is for limiting simultaneous connections. So Will this work for my case ? ( In the meantime, I have created a new jail called "fail2ban-dovecot" , which will find the connections from dovecot.log and ban the IPs. ) thanks. |