If you’ve configured your website to accept traffic on ports 80 and 443, you should be able to visit both the HTTP and HTTPS versions of your website.The iptables command is a Linux firewall service. Run the following command to save the iptables rules: sudo service iptables saveĪfter you complete the preceding steps, you have configured configured your server to allow HTTP and HTTPS web traffic through your iptables software firewall. Run the following command to allow traffic on port 443: sudo iptables -I INPUT -p tcp -m tcp -dport 443 -j ACCEPT

Run the following command to allow traffic on port 80: sudo iptables -I INPUT -p tcp -m tcp -dport 80 -j ACCEPT One-line command, perform the following steps: If you prefer to configure the software firewall by using discrete steps instead of by using the Use the following one-line command to open the open the firewall ports: sudo sh -c 'iptables -I INPUT -p tcp -m tcp -dport 80 -j ACCEPT & iptables -I INPUT -p tcp -m tcp -dport 443 -j ACCEPT & service iptables save'

Log in to your server by using SSH and then complete the steps in the following sections for If you are using RackConnect, you can make these changes on your dedicated firewall. IMPORTANT: These steps are only for non-RackConnected Cloud servers.

A cloud server with RHEL 6 or CentOS® 6 running iptables.

Sudo or administrative access to your server.

Basic understanding of Secure Shell (SSH).

You need to have the following prerequisites: iptables is the default software firewall for RHEL® 6-based distributions. This article describes how to configure your iptables software firewall to allow web traffic on port 80 (HTTP) and port 443 (HTTPS).

Iptables dport