:636
(TCP)
Low Risk
LDAPS
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TCP — Security & VPN
Port Overview
Port Number
636
Service Name
LDAPS
Transport Protocol
TCP
Category
Security & VPN
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 636?
LDAP over SSL/TLS. Encrypted version of LDAP for secure directory access and authentication. Used by Active Directory for secure LDAP connections.
TCP
Security & VPN
Commonly Used
Security Considerations
Port 636 (LDAPS) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.
Recommendation: Standard security practices apply. Keep software updated and monitor access.