Source note · SIP scanning and telephony denial of service
RFC 5039 judges SIP black lists of limited effectiveness because an attacker can easily change or spoof identity.
Checked 2026-09-25
- Vendor
- IETF
- Product
- SIP
- Subsystem
- Spam mitigation
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 5039
- Checked
- 2026-09-25
Sources
- The Session Initiation Protocol (SIP) and Spam — IETF / RFC Editor · tier 1 standards and regulators · Section 3.2 Black Lists
Cite this note
APA
WarmTransfer. (2026, September 25). SIP scanning and telephony denial of service: source note sip-scanning-tdos-rfc5039-blacklist-limits. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-rfc5039-blacklist-limits
BibTeX
@misc{warmtransfer-claim-sip-scanning-tdos-rfc5039-blacklist-limits,
title = {SIP scanning and telephony denial of service: source note sip-scanning-tdos-rfc5039-blacklist-limits},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-rfc5039-blacklist-limits},
note = {Source note sip-scanning-tdos-rfc5039-blacklist-limits, checked 2026-09-25}
}