> On my web server, i setup a password protected php page that I can
> browse to from anywhere and
> it will save my IP to a file. In the backend I have a script running
> every minute looking for that
> file, if it's found the IP is read into the shorewall params file and
> then shorewall is restarted and
> I have ssh access. I don't use it often, but it's there in case.
> Mostly if my home IP changes and I
> need access.

I do something similar. I have a specially worded email that will get
picked up by procmail which then executes a script to open up access
to whatever IP I specified in the email. Another specially worded
email closes the access down again. Works really well.

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