chown munin:munin /usr/share/munin/plugins*
chmod 0755 /usr/share/munin/plugins*
ln -s --target-directory=/etc/munin/plugins /usr/share/munin/plugins*
iptables -I RH-Firewall-1-INPUT -m state --state NEW -p tcp --destination-port 55 -j ACCEPT
iptables -nvL