Linode iptables appears "Setting Chains to policy ACCEPT" problem solving method

The problem was previously recorded not edited into the article, just in the morning when some netizens mentioned also encountered this problem. When we configure an Internet environment, there is a problem with setting chains to policy accept:security Raw nat[failed]filter when restarting Iptables. In the same VPS release version of the system before there seems to be no such problem, but this time in the Linode VPS appeared.

Encounter problems and then search for answers to see if you can find a solution.

First, edit the/etc/init.d/iptables file

Find the location of the case $i ' in ' and add the script directly below

The code is as follows	Copy Code
Security $IPTABLES-t filter-p INPUT $policy \ && $IPTABLES-t filter-p OUTPUT $policy \ && $IPTABLES-t filter-p FORWARD $policy \ || Let Ret+=1 ;;

The following figure:

Save file exit.

Second, restart Iptables

The code is as follows	Copy Code
Service Iptables Restart

Then we can see the results without errors.

This is a complete solution to this problem.