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ۼ : 05-12-26 16:34
ssh 񽺰 ʵɶ....
 ۾ :
ȸ : 12,089  
츮 ϴ ssh 񽺿 Ȥ ȭ ɷ ֽϴ.̶ ȭ̶ ϸ ִµ ⺻ Ǿ ִ TCP_WRAPPER , NETFILTER ( iptables , ipchains ) ֽϴ. Ȥ ٸ Ҽ ֽϴ.

Դϴ.

- 1. -



ش ip Ȯ غ Ѵ.

- 2. iptables -



ȭ ɼ ֱ setup ̿ ؼ ȭ ¸ Ȯ ؾ մϴ.

- 3 sshd 񽺰 Ȱȭ Ǿ -



ssh 쿡 .....



ps -ef sshd μ ö ִ Ȯ غ
࿡ ö /etc/rc.d/init.d/sshd start ϸ ˴ϴ.
sshd ⺻ ġ Ǿ ֱ ġ ʾƵ ˴ϴ.

- 4 񽺰 Ǵ Ʈ ٸ -



sshd Ʈ ȣ Ȯ Ҽ ִ /etc/ssh/sshd_config Ȯ Ҽ ֽϴ.



Ͽ Ʈ Ҽ ֽϴ. sshd Ʈ ȣ 22 ϴµ Ʈ ȣ 2222 ٸ ȣ Ҽ ֽϴ.Ŀ sshd ٽ ؾ մϴ.

No route to host : , Netfilter(iptables, ipchains)
Connection refused : 񽺰 Ȱȭ ʾ , Ʈ ٸ
Connection closed by remote host : Tcp_Wrapper ܵǾ

 
 

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