LL2XX

Since most CDN vendors no longer support domain fronting, have you considered adding support for domain hiding? Refer to https://github.com/SixGenInc/Noctilucent?tab=readme-ov-file#use-in-go-projects, which is probably about customizing ESNI in TLS communication.

**Is your feature request related to a problem? Please describe.** I noticed that when Sliver is in multiplayer mode, it defaults to using a certificate named "multiplayer." I think this...