In an LDAP string filter the characters asterisk, left parenthesis, right parenthesis, backslash and NUL must be escaped as \2a, \28, \29, \5c and \00.
Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- LDAP search filter syntax
- Deployment
- standard
- Region
- not restricted
- Release range
- RFC 4515
- Checked
- 2026-10-02
Sources
- Lightweight Directory Access Protocol (LDAP): String Representation of Search Filters — IETF / RFC Editor · tier 1 standards and regulators · Section 3, String Search Filter Definition
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting LDAP directory sync failures in Unified CM: source note cucm-ldap-sync-troubleshooting-rfc4515-escapes. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-troubleshooting-rfc4515-escapes
BibTeX
@misc{warmtransfer-claim-cucm-ldap-sync-troubleshooting-rfc4515-escapes,
title = {Troubleshooting LDAP directory sync failures in Unified CM: source note cucm-ldap-sync-troubleshooting-rfc4515-escapes},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-troubleshooting-rfc4515-escapes},
note = {Source note cucm-ldap-sync-troubleshooting-rfc4515-escapes, checked 2026-10-02}
}