0
votes
2answers
44 views

Does the DNS resolver know about the application layer protocol in use? [closed]

My iPad's 3G connection usually gets hijacked and shows me my provider's welcome page every time I first browse the internet. I have noticed that this only happens when using HTTP, and pages that use ...
1
vote
5answers
1k views

Will firewalls block my non-HTTP network protocol even if I use TCP port 80?

I want to create a simple JSON-based protocol to allow my game to talk to my custom server, but I don't want embed it in HTTP. If I send a custom text-based protocol request to my server on port 80, ...