Source note · SIP TLS handshake failures on trunks
Wireshark can decrypt TLS with the server's RSA private key only when the negotiated cipher suite does not use (EC)DHE, the version is SSLv3 to TLS 1.2, and the session is not resumed; it cannot decrypt TLS 1.3 this way.
Checked 2026-09-25
- Vendor
- Wireshark Foundation
- Product
- Wireshark
- Subsystem
- packet capture analysis
- Deployment
- any
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- TLS - Wireshark Wiki — Wireshark Foundation · tier 2 current vendor documentation · TLS Decryption > Using the (Pre)-Master-Secret / RSA private key section
Cite this note
APA
WarmTransfer. (2026, September 25). SIP TLS handshake failures on trunks: source note sip-tls-handshake-failures-ws-rsa-key-limits. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-tls-handshake-failures-ws-rsa-key-limits
BibTeX
@misc{warmtransfer-claim-sip-tls-handshake-failures-ws-rsa-key-limits,
title = {SIP TLS handshake failures on trunks: source note sip-tls-handshake-failures-ws-rsa-key-limits},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-tls-handshake-failures-ws-rsa-key-limits},
note = {Source note sip-tls-handshake-failures-ws-rsa-key-limits, checked 2026-09-25}
}