2009/7/9 Jeremy C. Reed <reed@xxxxxxxxxxxxx>: > I thought I saw a patch or feature for an sshd for blocking max > connections per client, max failed authentication attempts per client, > and/or max authentication attempts per client . Does anyone know about > that? > > Or do any less popular open source SSH servers provide that? (Keep counter > of connections, attempts, failures per client?) > Sorry, those were information about client... these are sshd options... http://www.openbsd.org/cgi-bin/man.cgi?query=sshd_config MaxAuthTries Specifies the maximum number of authentication attempts permitted per connection. Once the number of failures reaches half this value, additional failures are logged. The default is 6. MaxSessions Specifies the maximum number of open sessions permitted per net- work connection. The default is 10. Bye -- Matteo Filippetto