Iptables is the firewall on linux that can be configured to accept or reject network traffic based on various kinds of packet level rulesets. So it is necessary to configure this firewall to enable connections on network ports. Iptables rules. There are 2 ways to configure iptables to open up port 80.

Jun 16, 2020 How to Log Linux IPTables Firewall Dropped Packets to a Aug 15, 2012 Iptables Essentials: Common Firewall Rules and Commands

Aug 10, 2012 · iptables -A FORWARD -s 0/0 -i eth0 -d -o eth1 -p TCP \ --sport 1024:65535 --dport 80 -j ACCEPT iptables is being configured to allow the firewall to accept TCP packets for routing when they enter on interface eth0 from any IP address and are destined for an IP address of that is reachable via interface eth1.

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