David Hrbác wrote: > Wojciech Pilorz napsal(a): >> Hi, >> >> perhaps you might also mention adding sshd: line >> to /etc/hosts.allow and /etc/hosts.deny >> >> Wojtek > > Also add > sed -i 's/#Protocol 2,1/Protocol 2/' /etc/ssh/sshd_config > David > _______________________________________________ > CentOS-docs mailing list > CentOS-docs at centos.org > http://lists.centos.org/mailman/listinfo/centos-docs > > > Yep, sure, could also use hosts.allow and hosts.deny. Personally, I prefer to filter at the firewall level against source IPs, but of course that's just my preference :) David - sorry, I don't speak fluent sed, but I assume you're suggesting limiting the protocol to SSH2 only? ie, editing /etc/ssh/sshd_config to: # Protocol 2,1 Protocol 2