How to decrypt TLS packets in Wireshark?

I’ve modified NRF to use scheme https for communication. The core network has been successfully established, and the UE has obtained an IP. However, I’m unable to decrypt TLS packets in Wireshark. I’ve added nrf.key to the RSA key list. Are there any additional configurations needed?

I am attaching my files here. Thank you!

fgchttps.pcapng (110.8 KB)

Sorry! I found the solution from the trouble shooting. However, I have another question. I’m using free5gc-compose, but the log folder is empty. How do I find sslkey.log? Thanks!