Sam Drinkard s...@wa4phy.net
Sent by: centos-boun...@centos.org
07/23/2009 11:49 AM
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Re: [CentOS] SSH attacks from china
Bob Hoffman wrote:
Okay, I have a server connected to the
I assume you mean public key based authentication... if so, one gotcha
that verbose debug messages won't help you with is the permissions on the
.ssh directory and the files underneath... they must be owned by the
owner and cannot have any other permissions (e.g. chmod 700 .ssh and
chmod 600
If you are talking about restricting hacking attempts across multiple
services (like ssh, smtp and http) then you are beginning to move into the
realm of an IDS solution (like Snort)
Currently I use denyhosts plus iptables blacklist for ssh on the servers
side (plus multiple layers of firewall
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