Changes:

• Authentication based on JSON web tokens
• Support for processing packets from multiple sockets (and bound addresses) at server, e.g. for IPv4 and IPv6 connections, or alternative ports
• Small fixes and refactoring

Changes:

• Server endpoints can be configured from JSON config file
• IP tunnel uses platform-specific command line tools to configure routes and addresses. For the time being only Linux is supported.
• Multiple addresses can be configured for IP tunnel end points, both IPv4 and IPv6
• IP tunnel route advertisement capsules from server
• Logging improvements
• Bug fixes

Basic operation of UDP and IP proxying over HTTP/3. Still work in progress.