This IT script was submitted by Eric Hansen as an example for IT Knowledge Exchange's new contest: Is Your Script 3-Dimensional? To submit your own script, create a new post, and use the button on the far right of the text editor menu. Be sure to tag it IT Scripts. Entries not tagged IT Scripts will not be considered.



Be sure to comment on other entries; your comment could win you a Nintendo 3DS!



Name: iptables Helper

Language: Bash

Purpose: Correctly saves and restores iptables rules, as iptables-save can run into file descriptor issues on certain setups.

Notes: Requires root privileges due to handling of system files.

    function reload_iptables () {
 
     RULES=”/etc/iptables/iptables.rules”
 
     if [ -e "$RULES" ]; then
 
     echo -n “Restoring iptables rules from $RULES…”
 
     iptables-restore < $RULES
 
     echo “done.”
 
     fi
 
     }