StartTLS establishes TLS within an existing LDAP session and is defined as an extended operation in RFC 4511 section 4.14, which differs from LDAPS where TLS starts at connection time.

Checked 2026-09-25

Vendor
IETF
Product
LDAP
Subsystem
transport security
Deployment
standard
Region
not restricted
Release range
RFC 4513 (June 2006)
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM LDAP directory sync and authentication: source note cucm-ldap-integration-rfc-starttls. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ldap-integration-rfc-starttls

BibTeX

@misc{warmtransfer-claim-cucm-ldap-integration-rfc-starttls,
  title  = {Unified CM LDAP directory sync and authentication: source note cucm-ldap-integration-rfc-starttls},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-ldap-integration-rfc-starttls},
  note   = {Source note cucm-ldap-integration-rfc-starttls, checked 2026-09-25}
}

Read in context