this post was submitted on 09 Sep 2023
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How would I encrypt an rtsp stream so I can port forward it and then how to I unencrypt that stream for use on a local server?
I guess you wouldn't. Use a different protocol, one that supports the security you need.
Encrypted VPN between each side. IPSEC over GRE using 1024-bit AES encryption is more than enough.
Honestly though, if someones cracking IPSEC with any encryption against a random person then that's already leagues more than any script kiddie is capable of and professional hackers don't have the motive.
Just set up a VPN and transmit the video over that network. That's the easy method.