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TLS: fix JA4 when there are no ciphers or extensions (#3084)

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Ivan Nardi 2026-01-13 18:33:23 +00:00 • committed by GitHub
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8 changed files with 17 additions and 9 deletions
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tests/cfgs/default/result/tls_cipher_lens.pcap.out
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@ -41,7 +41,7 @@ JA Host Stats:
1 TCP 192.168.11.11:51587 -> 173.194.35.191:443 [proto: 91.126/TLS.Google][Stack: TLS.Google][IP: 126/Google][Encrypted][Confidence: DPI][FPC: 91.126/TLS.Google, Confidence: DPI][DPI packets: 1][cat: Web/5][Breed: Acceptable][1 pkts/233 bytes -> 0 pkts/0 bytes][Goodput ratio: 76/0][< 1 sec][Hostname/SNI: www.google.it][Risk: ** Obsolete TLS (v1.1 or older) **** Unidirectional Traffic **][Risk Score: 110][Risk Info: No server to client traffic / TLSv1][nDPI Fingerprint: 9e92855a2e6798ec62a9ec8aeabaa898][TLSv1][JA4: t10d360600_77f462745360_6072aad2e91d][PLAIN TEXT (www.google.it)][Plen Bins: 0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
2 TCP 192.168.11.11:51588 -> 173.194.35.191:443 [proto: 91/TLS][Stack: TLS][IP: 126/Google][Encrypted][Confidence: DPI][FPC: 91/TLS, Confidence: DPI][DPI packets: 1][cat: Web/5][Breed: Safe][1 pkts/233 bytes -> 0 pkts/0 bytes][Goodput ratio: 76/0][< 1 sec][Risk: ** Obsolete TLS (v1.1 or older) **** Unidirectional Traffic **][Risk Score: 110][Risk Info: No server to client traffic / TLSv1][nDPI Fingerprint: a4fc33379aa693b363b66397a2291a2c][TLSv1][JA4: t10i660000_1ade43d4e5bc_e3b0c44298fc][PLAIN TEXT (www.google.it)][Plen Bins: 0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
2 TCP 192.168.11.11:51588 -> 173.194.35.191:443 [proto: 91/TLS][Stack: TLS][IP: 126/Google][Encrypted][Confidence: DPI][FPC: 91/TLS, Confidence: DPI][DPI packets: 1][cat: Web/5][Breed: Safe][1 pkts/233 bytes -> 0 pkts/0 bytes][Goodput ratio: 76/0][< 1 sec][Risk: ** Obsolete TLS (v1.1 or older) **** Unidirectional Traffic **][Risk Score: 110][Risk Info: No server to client traffic / TLSv1][nDPI Fingerprint: aa37667246dde5d8bc15b4bbac524856][TLSv1][JA4: t10i660000_1ade43d4e5bc_000000000000][PLAIN TEXT (www.google.it)][Plen Bins: 0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
3 TCP 192.168.11.11:51589 -> 173.194.35.191:443 [proto: 91/TLS][Stack: TLS][IP: 126/Google][Encrypted][Confidence: DPI][FPC: 91/TLS, Confidence: DPI][DPI packets: 1][cat: Web/5][Breed: Safe][1 pkts/233 bytes -> 0 pkts/0 bytes][Goodput ratio: 76/0][< 1 sec][Risk: ** Obsolete TLS (v1.1 or older) **** Unidirectional Traffic **][Risk Score: 110][Risk Info: No server to client traffic / TLSv1][TLSv1][PLAIN TEXT (www.google.it)][Plen Bins: 0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
4 TCP 192.168.11.11:51590 -> 173.194.35.191:443 [proto: 91/TLS][Stack: TLS][IP: 126/Google][Encrypted][Confidence: DPI][FPC: 91/TLS, Confidence: DPI][DPI packets: 1][cat: Web/5][Breed: Safe][1 pkts/233 bytes -> 0 pkts/0 bytes][Goodput ratio: 76/0][< 1 sec][Risk: ** Obsolete TLS (v1.1 or older) **** Unidirectional Traffic **][Risk Score: 110][Risk Info: No server to client traffic / TLSv1][TLSv1][PLAIN TEXT (www.google.it)][Plen Bins: 0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
5 TCP 192.168.11.11:51591 -> 173.194.35.191:443 [proto: 91/TLS][Stack: TLS][IP: 126/Google][Encrypted][Confidence: DPI][FPC: 91/TLS, Confidence: DPI][DPI packets: 1][cat: Web/5][Breed: Safe][1 pkts/233 bytes -> 0 pkts/0 bytes][Goodput ratio: 76/0][< 1 sec][Risk: ** Obsolete TLS (v1.1 or older) **** Unidirectional Traffic **][Risk Score: 110][Risk Info: No server to client traffic / TLSv1][TLSv1][PLAIN TEXT (www.google.it)][Plen Bins: 0,0,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]