ssl - Is data sent via HTTP POST when the Server does not exist? -


I work for a bigger IIS advertising company. We've created a very light clone of PayPal IPN so that we have our top advertisers To provide CC processing services.

Like PP IPN, this is a simple restorative interface.

I deliberately instructed our administrators to configure only for this web application on port 443.

This special question is beyond my HTTP protocol knowledge:

It may differ from browser to browser, but when a user submits a form, and for that form Action is, say, if the browser can not solve that site, do post payloads ever send to the wire?

I know this is a bit confusing and this is an implementation question which is present in HTTP RFC (as far as I can tell). Before sending any data, the browser needs to open a TCP connection on the target site. Any buyer?

Updates (thanks for the prompting in the comments): Use a HTTP-REQUIREMENT, such as POST to avoid sending data over the wire such as proxy by before The presence of the goal can be checked. TCP connection is always installed successfully with proxy and HTTP-request-header is sent to it. In the post-request, your request-body includes additional data which should only be sent if the request header does not return any errors. However, there is a variation in the proxy implementation and I can not guarantee that there is no proxy which is not present on the target site, if any error gives, but in this situation I do not know in any way that you have complete data on the wire How to avoid sending ...


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