To limit collateral damage behind NAT, the Oracle SBC can deny a single source IP and port rather than the whole IP, and blocks the whole NAT address only after a configured number of devices behind it are demoted.

Checked 2026-09-25

Vendor
Oracle
Product
Oracle Communications Session Border Controller
Subsystem
DoS protection - dynamic deny for NAT devices
Deployment
on-premises, virtual
Region
not restricted
Release range
Release 9.2.0 documentation
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). SIP scanning and telephony denial of service: source note sip-scanning-tdos-oracle-nat-port-deny. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-oracle-nat-port-deny

BibTeX

@misc{warmtransfer-claim-sip-scanning-tdos-oracle-nat-port-deny,
  title  = {SIP scanning and telephony denial of service: source note sip-scanning-tdos-oracle-nat-port-deny},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-oracle-nat-port-deny},
  note   = {Source note sip-scanning-tdos-oracle-nat-port-deny, checked 2026-09-25}
}

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