Port 636 — LDAPS
LDAP over TLS — encrypted directory queries.
| Port number | 636 |
|---|---|
| Service | LDAPS |
| Transport | TCP |
| Category | Directory |
Is port 636 safe?
Use instead of plaintext LDAP (389).
Frequently asked questions
What is port 636 used for?
Port 636 (TCP) is the standard port for LDAPS. LDAP over TLS — encrypted directory queries.
Is port 636 safe to open?
Use instead of plaintext LDAP (389).
Is port 636 TCP or UDP?
Port 636 commonly uses TCP.