lug-bg: Питане отностно message log

[Vladimir Paskov <vlado-paskov@xxxxxxx>]

Здравеите група, допредималко правих обиколка из логовете на работната
ми машина и в 
/var/log/messages се натъкнах на следното:

Sep 18 23:58:44 xpman sshd[5562]: Invalid user test from 221.0.193.23
Sep 18 23:58:44 xpman sshd[5562]: Failed password for invalid user test
from 221.0.193.23 port 44298 ssh2
Sep 18 23:58:48 xpman sshd[5564]: Invalid user guest from 221.0.193.23
Sep 18 23:58:48 xpman sshd[5564]: Failed password for invalid user guest
from 221.0.193.23 port 44393 ssh2
Sep 18 23:58:52 xpman sshd[5566]: Invalid user admin from 221.0.193.23
Sep 18 23:58:52 xpman sshd[5566]: Failed password for invalid user admin
from 221.0.193.23 port 44472 ssh2
Sep 18 23:58:58 xpman sshd[5568]: Invalid user admin from 221.0.193.23
Sep 18 23:58:58 xpman sshd[5568]: Failed password for invalid user admin
from 221.0.193.23 port 44549 ssh2
Sep 18 23:59:05 xpman sshd[5570]: Invalid user user from 221.0.193.23
Sep 18 23:59:05 xpman sshd[5570]: Failed password for invalid user user
from 221.0.193.23 port 44659 ssh2
Sep 18 23:59:10 xpman sshd[5572]: Failed password for root from
221.0.193.23 port 44784 ssh2
Sep 18 23:59:14 xpman sshd[5574]: Failed password for root from
221.0.193.23 port 44876 ssh2
Sep 18 23:59:19 xpman sshd[5576]: Failed password for root from
221.0.193.23 port 44967 ssh2
Sep 18 23:59:23 xpman sshd[5581]: Invalid user test from 221.0.193.23
Sep 18 23:59:23 xpman sshd[5581]: Failed password for invalid user test
from 221.0.193.23 port 45045 ssh2

Предполагам, че някои е правил опити да влезе в машината ми,или несъм
прав? Бихтели ми казали за какво иде на въпрос и евентуално как да се
опазя.

Благодаря предварително за отговорите.
-- 
Regards,
Vladimir Paskov registerd Linux User #314087 at counter.li.org
GPG-Key-ID: 1024D/2823F569
Key fingerprint = B405 6C4D 09CB DDCB 1546  F0D7 5739 30C3 2823 F569
vlado-paskov@xxxxxxx

============================================================================
A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers).
http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara Zagora
To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html
============================================================================