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Re: [FW-1] HTTP, HTTPS, and FW-1



Ideally your web server should be providing this response.  You're basically
asking to get an HTML response to using http instead of https, and you've
cut off all http access to the device that serves up the HTML.  Since the
device is inaccessible via http, you get (drumroll please) "cannot find
server", i.e., "I can't get a response from the device."

I suppose there might be a way to tell FW1 to handle this for you (I don't
know for sure, so I couldn't tell you what it is).  But my advice to you
would be to let the Apache server do the job, since that *is* its job, by
letting it kick out the 403-- or even better, put a page up on the http side
that automatically redirects to the https site.

-----Original Message-----
From: Luis Aguilera [mailto:[email protected]]
Sent: Tuesday, April 23, 2002 7:51 AM
To: [email protected]
Subject: [FW-1] HTTP, HTTPS, and FW-1


Hello everyone,
have an esoteric question.

We have an apache webserver. This server has been accessible to the world
with http. I recently acquired an ssl certificate and I'm now forcing all
traffic to use https. To do this, I simply changed the FW rule to accept
traffic only from the https service.

It all works fine, except for one thing.

If you go to the url https://hostname.ourcompany.com it works great.
However, if you go to http://hostname.ourcompany.com you will eventually get
a "page cannot be displayed... cannot find server or DNS error". The FW logs
correctly show the http packet being dropped.

Now, I've done a little research and found that error 403-4.htm (in IE)
instructs the user to enter httpS://... as the url.

Does any now how I can get FW-1 to respond back with a specific html error?

thanks

Luis Aguilera
IT Manager
BaseSix

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