Port 3102, Hydra CIAM (public)

Role: OAuth2 endpoint

Exposure: host-bound (Caddy proxies)

Purpose

/oauth2/auth, /oauth2/token, /.well-known/openid-configuration.

Security

Public exposure is expected, but defense-in-depth via Caddy.

Verify exposure

# From outside the VPS
nmap -p 3102 <vps-ip>
# Expected: depends on your firewall config

Related

• Operate, Network topology
• Reference, Ports