Wireshark's RSA private key decryption cannot be used with (EC)DHE cipher suites or with TLS 1.3, and needs the server certificate's private key and a full handshake containing ClientKeyExchange (no resumed sessions).

Checked 2026-09-23

Vendor
Wireshark Foundation
Product
Wireshark
Subsystem
TLS decryption
Deployment
on-premises
Region
not restricted
Release range
current wiki revision 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-ws-tls-rsa-limits. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trace-analysis-ws-tls-rsa-limits

BibTeX

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

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