April 2007 Archives

New Router

Filed under: Tech

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I've been documenting my efforts at getting my new router up and running over at WRTSL54GS Adventures, basically just a place for me to make notes to myself. ;) My Linksys WRTSL54GS is now up and running, and so the Firewall script that I had just put into production here is now a thing of the past, now that I can handle the tasks I need at the router level.

This is a fantastic router, and running OpenWRT on it instead of the default Linksys firmware opens up a lot of possibilities by being able to run Linux on the router, and add whatever functionality you might happen to need.

One thing that's very important when setting up a new StartupItem like I did with my Firewall script is to make sure that the privledges are set correctly so that it actually runs at startup... The acticle I referenced didn't include this, but the reader comments at the end did. Specifically, the folder and enclosed items should be owned by root with group wheel with privs 755.

I had one question regarding the script and how I references the set of rules I wrote, the original article had these saved in /etc, which to me seemed a bit silly, having them in the same folder as the Startup script seemed much more logical. Here is my working script for this:


# Firewall

. /etc/rc.common

StartService ()
if [ "${FIREWALL:=-NO-}" = "-YES-" ]
ConsoleMessage "Starting Firewall"
sh /Library/StartupItems/Firewall/fw.rules > /dev/null

StopService ()
ConsoleMessage "Stopping Firewall"
/sbin/ipfw -f -q flush

RestartService ()

RunService "$1"

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This page is an archive of entries from April 2007 listed from newest to oldest.

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