Hi,To prevent brute-force attack, you can also use the package named "fail2ban" which does not need lots of configuration or tweeking in many situation.
-- Serge Dewailly - Administrateur Système Le 29/12/11 15:04, Taz a écrit :
Hello, we've got various debian servers, about 15, with different versions. All of them have been attacked today and granted root access. Can anybody help? We can give ssh access to attacked machine, it seems to be serious ssh vulnerability. How can i contact openssh mnt? Thank you.