求救,, 收到的第一份日志

[i=s] 本帖最后由 loven86 于 2011-7-12 09:19 编辑 [/i]

偶是个LINUX 新手
请帮我看下 这日志.. 因为看到 2个IP 1个 韩国 1个欧洲 有些可怕..所以来这请教
root (113.10.45.83): 3 Time(s) 韩国
root (151.77.230.236): 3 Time(s) 欧洲 我是不是 被盯上了~~

下面的日志啥意思..[code] ################### Logwatch 7.3 (03/24/06) ####################
Processing Initiated: Tue Jul 12 02:22:37 2011
Date Range Processed: yesterday
( 2011-Jul-11 )
Period is day.
Detail Level of Output: 0
Type of Output: unformatted
Logfiles for Host: idc5247
##################################################################

--------------------- pam_unix Begin ------------------------

sshd:
Authentication Failures:
root (113.10.45.83): 3 Time(s)
root (151.77.230.236): 3 Time(s)


---------------------- pam_unix End -------------------------


--------------------- sendmail Begin ------------------------



SENDMAIL CONFIGURATION
----------------------

Aliases database out of date 4 Time(s)

---------------------- sendmail End -------------------------


--------------------- SSHD Begin ------------------------


Disconnecting after too many authentication failures for user:
root : 6 Time(s)

Failed logins from:
113.10.45.83: 3 times
151.77.230.236: 3 times

**Unmatched Entries**
PAM 6 more authentication failures; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.10.45.83 user=root : 3 time(s)
PAM service(sshd) ignoring max retries; 7 > 3 : 6 time(s)
PAM 6 more authentication failures; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.77.230.236 user=root : 3 time(s)

---------------------- SSHD End -------------------------


--------------------- Disk Space Begin ------------------------

Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
141G 5.1G 129G 4% /
/dev/sda1 99M 19M 76M 20% /boot


---------------------- Disk Space End -------------------------


###################### Logwatch End #########################[/code]