Bill Smith wrote:
Hi Guys,
I noticed that someone is trying to hacker into my
machine. Please see below is the content of
/var/log/security.
what I would like some advice of you guys is, what
will I do with these people?
btw, I do have FW
Cheers,
Bill
Aug 24 17:56:28 tiger sshd[8229]: Invalid user golfer
from 80.68.204.50
Aug 24 17:56:28 tiger sshd[8231]: Invalid user golfer
from 80.68.204.50
Aug 24 17:56:29 tiger sshd[8233]: Invalid user golfer
from 80.68.204.50
Aug 24 17:56:30 tiger sshd[8235]: Invalid user golf
from 80.68.204.50
Aug 24 17:56:31 tiger sshd[8237]: Invalid user golf
from 80.68.204.50
Aug 24 17:56:32 tiger sshd[8239]: Invalid user goose
from 80.68.204.50
Aug 24 17:56:32 tiger sshd[8241]: Invalid user goose
from 80.68.204.50
Aug 24 17:56:33 tiger sshd[8243]: Invalid user goose
from 80.68.204.50
Aug 24 17:56:34 tiger sshd[8245]: Invalid user gorges
from 80.68.204.50
Aug 24 17:56:35 tiger sshd[8247]: Invalid user gorges
from 80.68.204.50
Aug 24 17:56:35 tiger sshd[8249]: Invalid user gorges
from 80.68.204.50
Aug 24 17:56:36 tiger sshd[8251]: Invalid user gosling
from 80.68.204.50
Aug 24 17:56:37 tiger sshd[8253]: Invalid user gosling
from 80.68.204.50
Aug 24 17:56:38 tiger sshd[8255]: Invalid user gosling
from 80.68.204.50
Aug 24 17:56:38 tiger sshd[8257]: Invalid user gouge
from 80.68.204.50
Aug 24 17:56:39 tiger sshd[8259]: Invalid user gouge
from 80.68.204.50
Aug 24 17:56:40 tiger sshd[8261]: Invalid user gouge
from 80.68.204.50
Aug 24 17:56:40 tiger sshd[8263]: Invalid user graham
from 80.68.204.50
Aug 24 17:56:41 tiger sshd[8265]: Invalid user graham
from 80.68.204.50
Aug 24 17:56:42 tiger sshd[8267]: Invalid user graham
from 80.68.204.50
Aug 24 17:56:42 tiger sshd[8269]: Invalid user grahm
from 80.68.204.50
Aug 24 17:56:43 tiger sshd[8271]: Invalid user grahm
from 80.68.204.50
Aug 24 17:56:44 tiger sshd[8273]: Invalid user grahm
from 80.68.204.50
Aug 24 17:56:44 tiger sshd[8275]: Invalid user grandpa
from 80.68.204.50
Aug 24 17:56:45 tiger sshd[8277]: Invalid user grandpa
from 80.68.204.50
Aug 24 17:56:46 tiger sshd[8279]: Invalid user grandpa
from 80.68.204.50
Aug 24 17:56:47 tiger sshd[8281]: Invalid user green
from 80.68.204.50
Aug 24 17:56:48 tiger sshd[8283]: Invalid user green
from 80.68.204.50
Aug 24 17:56:48 tiger sshd[8285]: Invalid user green
from 80.68.204.50
Aug 24 17:56:49 tiger sshd[8287]: Invalid user grey
from 80.68.204.50
Aug 24 17:56:50 tiger sshd[8289]: Invalid user grey
from 80.68.204.50
Aug 24 17:56:50 tiger sshd[8291]: Invalid user grey
from 80.68.204.50
Aug 24 17:56:51 tiger sshd[8293]: Invalid user group
from 80.68.204.50
Aug 24 17:56:52 tiger sshd[8295]: Invalid user group
from 80.68.204.50
Aug 24 17:56:52 tiger sshd[8297]: Invalid user group
from 80.68.204.50
Aug 24 17:56:53 tiger sshd[8299]: Invalid user gryphon
from 80.68.204.50
Aug 24 17:56:54 tiger sshd[8301]: Invalid user gryphon
from 80.68.204.50
Aug 24 17:56:54 tiger sshd[8303]: Invalid user gryphon
from 80.68.204.50
Aug 24 17:56:55 tiger sshd[8305]: Invalid user gucci
from 80.68.204.50
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This is someone scanning your machine for vulnerable users with default
passwords to gain access to your machine. As long as SSH is kept up to
date and your passwords are complex, I would not sweat it too much. We
get scanned like this daily with our Internet facing machines.
Robert Escue
System Administrator
