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  #1  
Old May 9th, 2002, 06:17 AM
IrinaIonela IrinaIonela is offline
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Arrow outside-world access to website in Intranet Workstation

if i have an institution web network with a public site lets say www.hypothesisTV.pt, and it has a private intranet network what can they do to temporarilly give me access to a website i have in one of its intranet workgroup PCs?

does this have to do with DNS name resolution like internal IP address xxx.xxx.xxx.xxx set to a name like myintranetPC.hypotheticTV.pt?? What can i say to hypotheticTV.pt webmaster to do in order to access the intranet site from any place in internet, or preferrably from a fixed IP address of another institution?

Am i being specific enough?
thanks in advance

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Old May 13th, 2002, 01:27 AM
phoenix_rizzen phoenix_rizzen is offline
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Cool

If they are using private (RFC 1918) IP addresses for their LAN with some kind of NAT/proxy firewall, then you need to talk to their security guy, not their webmaster (unless they are the same person). You will them to add a rule to the firewall mapping the IP of the private comp to a publically-accessible IP. This can be done either via a static map (IP-priv <--> IP-pub) or via port-redirection (IP-pubort <--> IP-priv), depending on if they have any available public IP addresses.

Then, just point your browser to the public IP (and port if need be) that they tell you to use.

If this access is just for you, then that's all that's needed. If they need/want to give access to the world, then they should move the website to a comp in their DMZ. Otherwise, they'll just be opening a huge security hole.
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Old May 13th, 2002, 05:29 AM
freebsd freebsd is offline
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Another alternative, which requires extra resources but much easier to setup, is to use mod_proxy + mod_rewrite on your external Apache. The only requirement is that, as long as the local (internal) IP of www.hypothesisTV.pt can talk to myintranetPC.hypotheticTV.pt.

For example:
Code:
<VirtualHost *>
  ServerName www.hypothesistv.pt
  ServerAdmin webmaster@hypothesistv.pt
  RewriteEngine on
  RewriteRule ^/icons/(.+) - [PT,L]
# RewriteRule ^(.*) http://192.168.0.2$1 [P,L]
  RewriteRule ^(.*)  http://myintranetpc.hypothetictv.pt$1 [P,L]
</VirtualHost>

Your internal web server can even be running IIS.
Your external web server MUST be able to resolve myintranetpc.hypothetictv.pt either via /etc/hosts (easier) or a valid DNS entry (split horizon in your case).
If you have further questions on this, start a new thread in Apache forum.

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