Scott van Looy ha scritto:
May 15 12:03:52 novak sshd[21429]: Connection from 193.239.125.119
port 53465
May 15 12:03:54 novak sshd[21429]: Invalid user student from
193.239.125.119
May 15 12:03:54 novak sshd[21430]: input_userauth_request: invalid
user student
May 15 12:03:56 novak sshd[21429]: Failed password for invalid user
student from 193.239.125.119 port 53465 ssh2
May 15 12:03:56 novak sshd[21430]: Received disconnect from
193.239.125.119: 11: Bye Bye
May 15 12:03:56 novak sshd[21431]: Connection from 193.239.125.119
port 53836
May 15 12:03:57 novak sshd[21431]: Invalid user market from
193.239.125.119
May 15 12:03:57 novak sshd[21432]: input_userauth_request: invalid
user market
May 15 12:04:00 novak sshd[21431]: Failed password for invalid user
market from 193.239.125.119 port 53836 ssh2
May 15 12:04:00 novak sshd[21432]: Received disconnect from
193.239.125.119: 11: Bye Bye
May 15 12:04:00 novak sshd[21433]: Connection from 193.239.125.119
port 54204
May 15 12:04:01 novak sshd[21433]: Invalid user style from
193.239.125.119
May 15 12:04:01 novak sshd[21434]: input_userauth_request: invalid
user style
May 15 12:04:03 novak sshd[21433]: Failed password for invalid user
style from 193.239.125.119 port 54204 ssh2
May 15 12:04:03 novak sshd[21434]: Received disconnect from
193.239.125.119: 11: Bye Bye
Lots and lots. Around 1 every 5 seconds.
So I ran
iptables -A INPUT -s 193.239.125.119 -j DROP
and was surprised to see them attacks continue
Ran iptables -L just to make sure my rule was there and it was
in the end had to use hosts.deny to block the IP
Anyone got any ideas why?
I solved everything by using the fail2ban package, so install it as
usual "yum -y install fail2ban" and read
the manual, it's quite easy to configure.
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