Sysadmin papilusion sshd port 19 07 2012

Port 22 only for OVH access (firewall filtered) Public port changed to 65422

Session

• user : root
• host : papilusion.reverse.seizam.com
• date : 19/07/12 09:13
• curpath : /root

Commands

• Edit /etc/ssh/sshd_config, see [1]

 [email protected]# /etc/init.d/ssh reload
 [email protected]# iptables -L -v --line-numbers

• add access SSHD port 22 for ovh

 [email protected]# iptables -A INPUT -i eth0 -p tcp --dport 22 --source 213.186.50.100 -j ACCEPT
 [email protected]# iptables -L -v --line-numbers

• add access SSHD port 65422 for everyone

 [email protected]# iptables -A INPUT -p tcp --dport 65422 -j ACCEPT
 [email protected]# iptables -L -v --line-numbers

• remove everyone access to port 22

 [email protected]# iptables -D INPUT 3
 [email protected]# iptables -L -v --line-numbers

• save firewall config

 [email protected]# iptables-save -c > /etc/iptables.rules

Files

[1]\* Edit /etc/ssh/sshd_config

--- old	2012-07-19 09:13:39.000000000 +0000
+++ new	2012-07-19 09:14:25.000000000 +0000
@@ -5,2 +5,3 @@
 Port 22
+Port 65422
 # Use these options to restrict which interfaces/protocols sshd will bind to