Re: How can make my webcam visible everywhere?

Ed Greshko wrote:
Timothy Murphy wrote:

Ed Greshko wrote:



I have a webcam (Linksys WVC54GCA) with IP address 192.168.2.141 ,
visible only on my home network 192.168.2.* .
How can I make it visible on my web server outside my system?





You don't say what protocol is used to access the webcam.


Thanks for your response.
The webcam image is seen through my web-browser,
so I guess the protocol is http .



But, in any
event, this is normally accomplished by port forwarding. We don't know
what the rest of your network looks like to complete the solution for
you. So, the question would be what device on your network has the
true internet IP address? If it is a DSL router or some such device
they have port forwarding capabilities builtin. If your Linux box acts
as the firewall/router/NAT then you need to configure iptables to do the
port forwarding for you.


My internet connection and web server has internal address 192.168.2.2 .
I'm running shorewall as firewall on this server.
I have IP_FORWARDING=On in shorewall.conf .

I'm not sure what line to add to "rules",
or what address I would give from outside my system
to access the webcam.

Any suggestions gratefully received.



Well, you haven't quite answered the question.

You are running shorewall...and your internal IP address is
192.168.2.2. This is what can be called an RFC-1918 and can't be
directly accessed from the internet.

Can we assume that your system has two interfaces? One with a
non-RFC-1918 address?

If so...then the best thing you can do is head over to
http://www.shorewall.net/ and go to "Documentation", pick the version
you are running and go to "Index" and then "Port Forwarding" as this
will explain what you need in better words than I could.



Oh....

Forgot to mention that if your network is as described then you have one
minor problem if your shorewall machine is also your web server. Both
the webcam and your webserver use http and thus both port 80.

If that is the case then you can either put the webcam on a different
port and use http://xxx.xxx.xxx.xxx:XXX addressing. Where xxx is your
server's name or internet IP and XX is a port other than 80 that isn't
being used.

There are other options....but that is the easiest.

--
He who hates vices hates mankind. Mei-Mei.Greshko@xxxxxxxxxxx
http://tw.youtube.com/watch?v=cCSz_koUhSg

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