Hi all,

I've just been told that using HTTPS may not be secure enough for a
business to business integration system I'm building.

I went looking for more details and I found that a man-in-the-middle attack
is possible. My reading of the situation is that if a client asks for a
service on port 80, the server responds with a 302 redirect to port 443 and
then the communication begins encrypted.

The vulnerability is a potential snooper on the line may see the port 80
request and instead return a different request to the client and then be
able to sniff the traffic.

Could this be prevented by just getting the client to go straight to port
443?

At some point, I have to provide a url for the other organisation to use
and I could say its https://mysecuresite.com/blah.

A call to port 80 would return forbidden or something similar.

Would that work?

Thanks

Rakesh

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