How do I view HTTP or HTTPS requests?

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You haven't written if you see any packets at all. If not, then you are not capturing correct network. If yes, then you probably not writing correct display filter.

For http traffic use display filter: http

For https traffic use display filter: tls

TLS is general encryption protocol that can contain many application layer protocols like HTTP for example. Imagine TLS like encryption tunnel. You can't see inside the encryption tunnel which application protocol is inside. It can be HTTP, it can be some database application protocol or something else. Protocol HTTPS means secure HTTP or in the language of network it is HTTP over TLS protocol.

1. Please confirm that you are capturing the right network packets.

2. In the Wire shark, you can see the protocol tab. For the http protocol, just mention the same as HTTP, and for the https protocol, mention HTTPS .Normally, you are not able to see the HTTPS packet because it is encrypted.

Just enter http on filter tab you are able to filter the traffic.