m Ilhami wrote:
dari output logwatch tiap hari saya melihat usaha login lwt sshd sbb:
--------------------- SSHD Begin ------------------------
Failed logins from these:
Aaliyah/password from 67.71.196.52: 1 Time(s)
....
adam/password from 67.71.196.52: 1 Time(s)
adm/password from 67.71.196.52: 1 Time(s)
....
root/password from 140.128.142.176: 1 Time(s)
...
Illegal users from these:
Aaliyah/none from 67.71.196.52: 1 Time(s)
Aaliyah/password from 67.71.196.52: 1 Time(s)
Aaron/none from 67.71.196.52: 1 Time(s)
...
---------------------- SSHD End -------------------------
bagaimana caranya menekan usaha2 tsb?
Kalau user-user anda punya ip fix dan tidak pernah konek ke server dari
ip lain, block koneksi ke port 22 dengan iptables kemudian allow ip-ip
user yg diijinkan pakai ssh.
--
rumy
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