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7
votes
2answers
3k views

Is HTTPS enough to avoid replay attacks?

I am exposing a few REST methods on a server for an mobile app. I would like to avoid that users can sniff how HTTP methods are built (from the mobile app) and then send them again to the server. ...
2
votes
1answer
154 views

Is HTTP 426 acceptable for “Your request should have been HTTPS”

I have an HTTP serving an API which works either anonymously or with a secret key in a header, like so: GET /profile?authenticationKey Authorization: 1234567890 I want to reject any request coming ...