- Not working behind Nginx
- Try sending the http_response "OK" _after_ the request body is received
- Add relay / server debug flags in config
- Tracing / structured logging, maybe?

- Sort directory listings
- ".." from server to server list is broken
- Redirect to add trailing slashes
- Add file size in directory listing
- Allow spaces in server names
- Make file_server_root mandatory
- Deny unused HTTP methods for endpoints
- Hide ptth_server.toml from file server
- ETag cache
- Server-side hash?
- Log / audit log?

- Prevent directory traversal attacks
- Error handling

- Reverse proxy to other local servers