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TLS: avoid setting some flow risks for webrtc traffic

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Is quite rare to have a SNI or an ALPN on Client Hello of STUN/DTLS/SRTP
traffic
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Nardi Ivan 2024-02-20 19:54:01 +01:00 • committed by Ivan Nardi
parent 478c31b6c9
commit b287d6ec85
5 changed files with 12 additions and 4 deletions
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tests/cfgs/default/result/stun_dtls_unidirectional_client.pcap.out
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@ -30,4 +30,4 @@ JA3 Host Stats:
1 26.83.9.81 1
1 UDP 26.83.9.81:57567 -> 33.35.223.103:540 [proto: 30/DTLS][IP: 0/Unknown][Encrypted][Confidence: DPI][DPI packets: 6][cat: Network/14][6 pkts/1708 bytes -> 0 pkts/0 bytes][Goodput ratio: 85/0][1.16 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 1/0 232/0 299/0 116/0][Pkt Len c2s/s2c min/avg/max/stddev: 106/0 285/0 873/0 267/0][Risk: ** TLS (probably) Not Carrying HTTPS **** Missing SNI TLS Extn **** Unidirectional Traffic **][Risk Score: 70][Risk Info: No server to client traffic / No ALPN][DTLSv1.0][JA3C: f5eee7bc59657db39e2b9cdd401d78b7][JA4: t00d350400_23b9269eae60_dbc12469f409][PLAIN TEXT (ugPnBzE)][Plen Bins: 0,0,16,51,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
1 UDP 26.83.9.81:57567 -> 33.35.223.103:540 [proto: 30/DTLS][IP: 0/Unknown][Encrypted][Confidence: DPI][DPI packets: 6][cat: Network/14][6 pkts/1708 bytes -> 0 pkts/0 bytes][Goodput ratio: 85/0][1.16 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 1/0 232/0 299/0 116/0][Pkt Len c2s/s2c min/avg/max/stddev: 106/0 285/0 873/0 267/0][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][DTLSv1.0][JA3C: f5eee7bc59657db39e2b9cdd401d78b7][JA4: t00d350400_23b9269eae60_dbc12469f409][PLAIN TEXT (ugPnBzE)][Plen Bins: 0,0,16,51,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]