Firewall setting (Nginx does not show index.html)

Environment: CentOS 6.5, nginx 1.5.9

Problem: Nginx is installed through yum but does not show index.html(the first page) in the web browser.

Reason of the problem: The problem was the firewall. You can check it from /etc/sysconfig/iptables. Refer to the following solution.

Solution:

1. Open  /etc/sysconfig/iptables.

2. Append -A INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT

3. sudo service iptables restart