The sngrep wiki states that its TLS decryption supports only a few RSA key-exchange cipher suites (TLS_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_256_GCM_SHA384), needs the initial handshake, and cannot decrypt DH or ECDH sessions.

Checked 2026-09-23

Vendor
Irontec
Product
sngrep
Subsystem
TLS decryption
Deployment
on-premises
Region
not restricted
Release range
wiki as of 2026-09-23
Checked
2026-09-23

Sources

Cite this note

APA

WarmTransfer. (2026, September 23). SIP trace capture and ladder analysis: source note sip-trace-analysis-sngrep-tls-limits. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trace-analysis-sngrep-tls-limits

BibTeX

@misc{warmtransfer-claim-sip-trace-analysis-sngrep-tls-limits,
  title  = {SIP trace capture and ladder analysis: source note sip-trace-analysis-sngrep-tls-limits},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-trace-analysis-sngrep-tls-limits},
  note   = {Source note sip-trace-analysis-sngrep-tls-limits, checked 2026-09-23}
}

Read in context