22번 포트를 하루 열어뒀더니

sshd:
Authentication Failures:
unknown (202.102.73.112): 5356 Time(s)
unknown (123.176.80.12): 1905 Time(s)
unknown (125.46.37.160): 194 Time(s)
root (125.46.37.160): 160 Time(s)
root (202.102.73.112): 41 Time(s)
root (123.176.80.12): 29 Time(s)
mysql (202.102.73.112): 12 Time(s)
root (125.215.218.34): 12 Time(s)
unknown (125.215.218.34): 11 Time(s)
mail (202.102.73.112): 8 Time(s)
adm (123.176.80.12): 7 Time(s)
adm (202.102.73.112): 7 Time(s)
news (202.102.73.112): 7 Time(s)
apache (202.102.73.112): 6 Time(s)
lp (202.102.73.112): 6 Time(s)
nobody (202.102.73.112): 6 Time(s)
operator (202.102.73.112): 6 Time(s)
apache (123.176.80.12): 5 Time(s)
bin (202.102.73.112): 5 Time(s)
ftp (202.102.73.112): 5 Time(s)
lp (123.176.80.12): 5 Time(s)
mail (123.176.80.12): 5 Time(s)
mailnull (202.102.73.112): 5 Time(s)
mysql (123.176.80.12): 5 Time(s)
nfsnobody (202.102.73.112): 5 Time(s)
bin (123.176.80.12): 4 Time(s)
ftp (123.176.80.12): 4 Time(s)
games (202.102.73.112): 4 Time(s)
news (123.176.80.12): 4 Time(s)
smmsp (123.176.80.12): 4 Time(s)
smmsp (202.102.73.112): 4 Time(s)
daemon (202.102.73.112): 3 Time(s)
games (123.176.80.12): 3 Time(s)
nobody (123.176.80.12): 3 Time(s)
nscd (202.102.73.112): 3 Time(s)
ntp (202.102.73.112): 3 Time(s)
operator (123.176.80.12): 3 Time(s)
rpc (123.176.80.12): 3 Time(s)
rpc (202.102.73.112): 3 Time(s)
squid (123.176.80.12): 3 Time(s)
squid (202.102.73.112): 3 Time(s)
sshd (123.176.80.12): 3 Time(s)
sshd (202.102.73.112): 3 Time(s)
sync (123.176.80.12): 3 Time(s)
sync (202.102.73.112): 3 Time(s)
uucp (123.176.80.12): 3 Time(s)
uucp (202.102.73.112): 3 Time(s)
daemon (123.176.80.12): 2 Time(s)
gopher (123.176.80.12): 2 Time(s)
gopher (202.102.73.112): 2 Time(s)
mailnull (123.176.80.12): 2 Time(s)
mysql (125.46.37.160): 2 Time(s)
nfsnobody (123.176.80.12): 2 Time(s)
rpcuser (123.176.80.12): 2 Time(s)
rpcuser (202.102.73.112): 2 Time(s)
vcsa (123.176.80.12): 2 Time(s)
vcsa (202.102.73.112): 2 Time(s)
webalizer (123.176.80.12): 2 Time(s)
webalizer (202.102.73.112): 2 Time(s)
ftp (125.46.37.160): 1 Time(s)
Invalid Users:
Unknown Account: 7466 Time(s)


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

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

Failed logins from:
123.176.80.12: 110 times
125.46.37.160 (hn.kd.ny.adsl): 163 times
125.215.218.34: 12 times
202.102.73.112: 159 times

Illegal users from:
123.176.80.12: 1905 times
125.46.37.160 (hn.kd.ny.adsl): 194 times
125.215.218.34: 11 times
202.102.73.112: 5356 times


Received disconnect:
11: Bye Bye : 7909 Time(s)

**Unmatched Entries**
reverse mapping checking getaddrinfo for hn.kd.ny.adsl [125.46.37.160] failed - POSSIBLE BREAK-IN ATTEMPT! : 357 time(s)

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여름밤의 하루살이 떼보다 더 엄청나게 몰려드는군요. ^^ .들어오진 못하겠지만 기분이 안 좋아서 포트를 바꿔놓았습니다.