rathole/examples/proxy_protocol/server.toml

# rathole configuration with Proxy Protocol enabled.
#
# Each service can optionally set `proxy_protocol` to:
#   - "v1" (human-readable line)
#   - "v2" (binary header)
# If omitted, Proxy Protocol is disabled for that service.

[server]
bind_addr = "0.0.0.0:2333"
default_token = "123"

[server.services.foo1]
bind_addr = "0.0.0.0:5202"
proxy_protocol = "v2"