George Sweetnam wrote:
if you are remote to the machine you might want to keep the current
connection open and add an additional port (not replace it until you can
confirm it's up and running). Locking yourself out is not fun (I change my
port always too)
A good site is iptablesrocks.org (same guy that runs qmailrocks.org). I
got a good tip from him, in regards to setting up a cron job while
building your firewall remotely. Have the cron job reset the firewall
rules every 30 minutes back to open. That way, if you accidentally lock
yourself out by forgetting to open a port, it will reset in 30 minutes
and you can get back in. I do almost all of my setups remotely, so this
was a great tip. Saved me from having to drive to the office/another
state to unbork a box.
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