remote firewall advice
Robert.Edwards at anu.edu.au
Tue Feb 4 17:25:43 EST 2003
Thanks for all the responses so far. Looks like quite a few of us have come up
against similar problems.
The dynamic DNS solution looks good, provided that Bigpond use publicly
routable IP addresses for their dial-up customers - does anyone _know_ if
this is the case, or are they likely to be using NAT?
As for dial-on-demand etc. I would need to use this anyway, but I don't want
my father-in-law to have to turn on his Win98 box in order to get the Linux
firewall machine to contact me.
However, I have had another idea, based on some of the responses. I want to
have the Linux box up as much of the time as possible, for various reasons,
so I don't want it powered up and down each time the Internet is being used.
However, I could have the (external) modem powered up and down each time the
Internet is to be used. Has anyone tried something like this? Maybe poll the
modem serial port, or have some utility that detects change of status of the
Data Set Ready (DSR) line or similar and then start the dial-out process up?
Would this be likely to work? Any tips on how to implement it?
The reason I want to use Linux instead of a dedicated commercially available
router like a Netgear or Linksys or similar is that I would also like it to
do some web caching, junkbusting and possibly some e-mail virus scanning (all
future projects at this stage). Plus, of course, I want to be able to log in
remotely using SSH.
Thanks again for the tips so far.
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