sequences in the auth.log

[Nikolaj I. Potanin]

Hello,

Someone is trying to pick-up a password for these accounts. Restrict
your ssh service to your trusted networks only.

> Hi all,
> I found similar sequences in the
> /var/auth.log files of freebsd boxes, I supervise.:
> Aug 13 13:56:08 www sshd[26091]: Illegal user test from 165.21.103.20
> Aug 13 13:56:11 www sshd[26093]: Illegal user guest from 165.21.103.20
> Aug 13 13:56:15 www sshd[26096]: Illegal user admin from 165.21.103.20
> Aug 13 13:56:18 www sshd[26103]: Illegal user admin from 165.21.103.20
> Aug 13 13:56:21 www sshd[26105]: Illegal user user from 165.21.103.20
> Aug 13 13:56:25 www sshd[26107]: Failed password for root from 
> 165.21.103.20 port 39678 ssh2
> Aug 13 13:56:28 www sshd[26109]: Failed password for root from 
> 165.21.103.20 port 39760 ssh2
> Aug 13 13:56:32 www sshd[26111]: Failed password for root from 
> 165.21.103.20 port 39836 ssh2
> Aug 13 13:56:35 www sshd[26113]: Illegal user test from 165.21.103.20
> Aug 13 14:25:36 www sshd[26485]: Illegal user test from 202.28.120.57
> Aug 13 14:25:41 www sshd[26487]: Illegal user guest from 202.28.120.57
> 
> What are these?

-- 
Nikolaj I. Potanin, SA                          http://www.drweb.ru
ID Anti-Virus Lab (SalD Ltd)                    nikolaj at drweb.ru
St. Petersburg, Russia                          ph.: +7-812-3888624