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Added references to ESNI

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This commit is contained in:
Luca Deri 2020-05-29 21:23:34 +02:00
parent fcb50dec70
commit 0271e29097
1 changed files with 4 additions and 0 deletions
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4
src/lib/protocols/tls.c
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@ -1253,6 +1253,10 @@ int processClientServerHello(struct ndpi_detection_module_struct *ndpi_struct,
flow->protos.stun_ssl.ssl.tls_supported_versions = ndpi_strdup(version_str);
}
} else if(extension_id == 65486 /* encrypted server name */) {
/*
- https://tools.ietf.org/html/draft-ietf-tls-esni-06
- https://blog.cloudflare.com/encrypted-sni/
*/
u_int16_t e_offset = offset+extension_offset;
u_int16_t initial_offset = e_offset;
u_int16_t e_sni_len, cipher_suite = ntohs(*((u_int16_t*)&packet->payload[e_offset]));