Linux iptables firewall specifies the port range

I need a port between 700 and 800 to be able to access TCP

The code is as follows	Copy Code
-A rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 700-j ACCEPT -A rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 701-j ACCEPT -A rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 702-j ACCEPT ... -A rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 800-j ACCEPT

This is very pit dad, will there be a better solution, we look at the following

The code is as follows	Copy Code
-A rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 700:800-j ACCEPT

This is done, a sentence on it, the following more to say a few iptables firewall some rules.

One, 700:800 means all ports between 700 and 800

Two: 800 means 800 and all of the following ports

Three, 700:700 and above all ports

We can take a look at the example

The code is as follows	Copy Code
One, a rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 7979:9898-j ACCEPT

Access 9898 Normal