Category Archives: util

RHEL * Open NTP port 123: vi /etc/sysconfig/iptables :RH-Firewall-1-INPUT – [0:0] # Open NTP port 123 -I INPUT -p udp -m udp -m multiport –dports 123 -m state –state NEW -j ACCEPT -A INPUT -j RH-Firewall-1-INPUT * Restart iptables service … Continue reading →