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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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commit d6cbd624d0
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8 changed files with 17 additions and 9 deletions
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tests/cfgs/default/result/dtls2.pcap.out
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@ -38,4 +38,4 @@ JA Host Stats:
1 61.68.110.153 1
1 UDP 61.68.110.153:53045 <-> 212.32.214.39:61457 [proto: 30.449/DTLS.RockstarGames][Stack: DTLS.RockstarGames][IP: 0/Unknown][Encrypted][Confidence: DPI][FPC: 30/DTLS, Confidence: DPI][DPI packets: 4][cat: Game/8][Breed: Fun][14 pkts/2246 bytes <-> 16 pkts/2745 bytes][Goodput ratio: 74/75][382.15 sec][bytes ratio: -0.100 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 2/241 27857/28359 60550/60551 26256/25033][Pkt Len c2s/s2c min/avg/max/stddev: 123/102 160/172 325/867 46/180][Risk: ** Weak TLS Cipher **** TLS (probably) Not Carrying HTTPS **** Missing SNI TLS Extn **][Risk Score: 160][Risk Info: SNI should always be present / No ALPN / Cipher TLS_RSA_WITH_AES_256_CBC_SHA][nDPI Fingerprint: 57b60fdd16dbcf4fe15d73c25c216f31][DTLSv1.0][JA4: dd1i080000_f3b6e48d6e2b_e3b0c44298fc][JA3S: 749bd1edea60396ffaa65213b7971718][Issuer: C=US][Subject: C=US, CN=*.relay.ros.rockstargames.com][Certificate SHA-1: AB:59:0E:11:EC:94:4D:D5:D3:40:7E:6E:3B:8B:6A:19:CA:B7:85:2C][Validity: 2014-09-12 21:31:19 - 2037-02-15 21:31:19][Cipher: TLS_RSA_WITH_AES_256_CBC_SHA][PLAIN TEXT (140912213119Z)][Plen Bins: 0,3,43,46,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
1 UDP 61.68.110.153:53045 <-> 212.32.214.39:61457 [proto: 30.449/DTLS.RockstarGames][Stack: DTLS.RockstarGames][IP: 0/Unknown][Encrypted][Confidence: DPI][FPC: 30/DTLS, Confidence: DPI][DPI packets: 4][cat: Game/8][Breed: Fun][14 pkts/2246 bytes <-> 16 pkts/2745 bytes][Goodput ratio: 74/75][382.15 sec][bytes ratio: -0.100 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 2/241 27857/28359 60550/60551 26256/25033][Pkt Len c2s/s2c min/avg/max/stddev: 123/102 160/172 325/867 46/180][Risk: ** Weak TLS Cipher **** TLS (probably) Not Carrying HTTPS **** Missing SNI TLS Extn **][Risk Score: 160][Risk Info: SNI should always be present / No ALPN / Cipher TLS_RSA_WITH_AES_256_CBC_SHA][nDPI Fingerprint: 8452b7193938495b30b1dbcc997be1b8][DTLSv1.0][JA4: dd1i080000_f3b6e48d6e2b_000000000000][JA3S: 749bd1edea60396ffaa65213b7971718][Issuer: C=US][Subject: C=US, CN=*.relay.ros.rockstargames.com][Certificate SHA-1: AB:59:0E:11:EC:94:4D:D5:D3:40:7E:6E:3B:8B:6A:19:CA:B7:85:2C][Validity: 2014-09-12 21:31:19 - 2037-02-15 21:31:19][Cipher: TLS_RSA_WITH_AES_256_CBC_SHA][PLAIN TEXT (140912213119Z)][Plen Bins: 0,3,43,46,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]