Fwknop for Android
No problems for most use cases. Would be nice to be able to specify source IP.
Constantly says "couldn't resolve external IP", even with full signal. No option to fill in your own external IP. Cannot get this to work for anything. Constantly says "invalid key length". Which one is it even complaining about??? No option to use GPG keys. This is something that's kind of important. Please try to do a better job with this, or at least improve it a little.
by U####:
I don't sure what to fill in the "Rijndael key" i tried to copy the "KEY_BASE64" from my .fwknoprc but it didn't work i'm getting error msg, "Error: Error generating SPA data: Invalid key length"