ReferencePorts

Port 4000

Auth IAM — Employee login UI

Port `4000` — Auth IAM

Role: Employee login UI

Exposure: intranet only

Internal employee login. Same constraints as Auth CIAM.

Internal-only. No host binding in prod.

# From outside the VPS
nmap -p 4000 <vps-ip>
# Expected: depends on your firewall config

Port 3103

Hydra CIAM (admin) — OAuth2 admin

Port 4001

Dashboard IAM — Admin dashboard