1. IPTABLE iptables -A INPUT -p tcp -m tcp –sport 80 -j ACCEPT iptables -A OUTPUT -p tcp -m tcp –dport 80 -j ACCEPT 2. Fire Wall sudo firewall-cmd –permanent –add-port=2181/tcp firewall-cmd –reload firewall-cmd –zone=public –list-all
1. IPTABLE iptables -A INPUT -p tcp -m tcp –sport 80 -j ACCEPT iptables -A OUTPUT -p tcp -m tcp –dport 80 -j ACCEPT 2. Fire Wall sudo firewall-cmd –permanent –add-port=2181/tcp firewall-cmd –reload firewall-cmd –zone=public –list-all