A TLS key log file (for example written through the SSLKEYLOGFILE environment variable) enables Wireshark to decrypt TLS even when a Diffie-Hellman key exchange is used.
Checked 2026-09-24
A key log file is a universal mechanism that always enables decryption, even if a Diffie-Hellman (DH) key exchange is in use.
- Vendor
- Wireshark Foundation
- Product
- Wireshark
- Subsystem
- TLS decryption
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- TLS - Wireshark Wiki — Wireshark Foundation · tier 2 current vendor documentation · TLS wiki, 'TLS Decryption' section, key log file method
Cite this note
APA
WarmTransfer. (2026, September 24). SIP capture and analysis with Wireshark and sngrep and HOMER: source note sip-capture-analysis-tls-keylog-universal. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-capture-analysis-tls-keylog-universal
BibTeX
@misc{warmtransfer-claim-sip-capture-analysis-tls-keylog-universal,
title = {SIP capture and analysis with Wireshark and sngrep and HOMER: source note sip-capture-analysis-tls-keylog-universal},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-capture-analysis-tls-keylog-universal},
note = {Source note sip-capture-analysis-tls-keylog-universal, checked 2026-09-24}
}