======SSH======

=====ポート変更=====
# vi /etc/ssh/sshd_config
<code>
Port XXXXX
</code>
# sshd -t
# vi /etc/network/if-pre-up.d/iptables
<code>
#iptables -A INPUT -p tcp --dport ssh -m state --state NEW -j ACCEPT
iptables -A INPUT -p tcp --dport XXXXX -m state --state NEW -j ACCEPT
</code>