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发表于 2024/10/13 00:12
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| Google Chrome 129.0.0.0 | Windows 10
之前介绍过Wireshark用作机房防火墙sni审查，轻松实现阻断https流量，其实还有个叫alpn（application layer protocol negotiation Extension）
2017年介绍sni的帖子
https://bbs.itzmx.com/thread-19030-1-1.html
alpn全名为application_layer_protocol_negotiation，里面写了当前使用的应用层传输协议，一般来说chrome浏览器默认值为h2流量
如果其中出现了什么其他的值，那么很有可能是可疑不常见的非https流量
Microsoft Edge 129.0.2792.89的完整Client Hello
Transport Layer Security
TLSv1.2 Record Layer: Handshake Protocol: Client Hello
Content Type: Handshake (22)
Version: TLS 1.0 (0x0301)
Length: 512
Handshake Protocol: Client Hello
Handshake Type: Client Hello (1)
Length: 508
Version: TLS 1.2 (0x0303)
Random: 4778956ba45e4a670dec3c94debb967f0c347e402340d5fbef4ab4ac91cd0a59
GMT Unix Time: Dec 31, 2007 15:08:27.000000000 中国标准时间
Random Bytes: a45e4a670dec3c94debb967f0c347e402340d5fbef4ab4ac91cd0a59
Session ID Length: 32
Session ID: 9e2934425d253b14ae6b5ab12f09255d3ef16b9bce13890030fd27bd4d3dead3
Cipher Suites Length: 32
Cipher Suites (16 suites)
Cipher Suite: TLS_AES_128_GCM_SHA256 (0x1301)
Cipher Suite: TLS_AES_256_GCM_SHA384 (0x1302)
Cipher Suite: TLS_CHACHA20_POLY1305_SHA256 (0x1303)
Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (0xc02b)
Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f)
Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (0xc02c)
Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030)
Cipher Suite: TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 (0xcca9)
Cipher Suite: TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (0xcca8)
Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013)
Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014)
Cipher Suite: TLS_RSA_WITH_AES_128_GCM_SHA256 (0x009c)
Cipher Suite: TLS_RSA_WITH_AES_256_GCM_SHA384 (0x009d)
Cipher Suite: TLS_RSA_WITH_AES_128_CBC_SHA (0x002f)
Cipher Suite: TLS_RSA_WITH_AES_256_CBC_SHA (0x0035)
Cipher Suite: TLS_EMPTY_RENEGOTIATION_INFO_SCSV (0x00ff)
Compression Methods Length: 1
Compression Methods (1 method)
Compression Method: null (0)
Extensions Length: 403
Extension: server_name (len=18) name=www.baidu.com
Type: server_name (0)
Length: 18
Server Name Indication extension
Server Name list length: 16
Server Name Type: host_name (0)
Server Name length: 13
Server Name: www.baidu.com
Extension: ec_point_formats (len=4)
Type: ec_point_formats (11)
Length: 4
EC point formats Length: 3
Elliptic curves point formats (3)
EC point format: uncompressed (0)
EC point format: ansiX962_compressed_prime (1)
EC point format: ansiX962_compressed_char2 (2)
Extension: supported_groups (len=8)
Type: supported_groups (10)
Length: 8
Supported Groups List Length: 6
Supported Groups (3 groups)
Supported Group: x25519 (0x001d)
Supported Group: secp256r1 (0x0017)
Supported Group: secp384r1 (0x0018)
Extension: session_ticket (len=0)
Type: session_ticket (35)
Length: 0
Session Ticket: <MISSING>
Extension: status_request (len=5)
Type: status_request (5)
Length: 5
Certificate Status Type: OCSP (1)
Responder ID list Length: 0
Request Extensions Length: 0
Extension: application_layer_protocol_negotiation (len=14)
Type: application_layer_protocol_negotiation (16)
Length: 14
ALPN Extension Length: 12
ALPN Protocol
ALPN string length: 2
ALPN Next Protocol: h2
ALPN string length: 8
ALPN Next Protocol: http/1.1
Extension: signed_certificate_timestamp (len=0)
Type: signed_certificate_timestamp (18)
Length: 0
Extension: extended_master_secret (len=0)
Type: extended_master_secret (23)
Length: 0
Extension: signature_algorithms (len=18)
Type: signature_algorithms (13)
Length: 18
Signature Hash Algorithms Length: 16
Signature Hash Algorithms (8 algorithms)
Signature Algorithm: ecdsa_secp256r1_sha256 (0x0403)
Signature Algorithm: rsa_pss_rsae_sha256 (0x0804)
Signature Algorithm: rsa_pkcs1_sha256 (0x0401)
Signature Algorithm: ecdsa_secp384r1_sha384 (0x0503)
Signature Algorithm: rsa_pss_rsae_sha384 (0x0805)
Signature Algorithm: rsa_pkcs1_sha384 (0x0501)
Signature Algorithm: rsa_pss_rsae_sha512 (0x0806)
Signature Algorithm: rsa_pkcs1_sha512 (0x0601)
Extension: supported_versions (len=11) TLS 1.3, TLS 1.2, TLS 1.1, TLS 1.0, SSL 3.0
Type: supported_versions (43)
Length: 11
Supported Versions length: 10
Supported Version: TLS 1.3 (0x0304)
Supported Version: TLS 1.2 (0x0303)
Supported Version: TLS 1.1 (0x0302)
Supported Version: TLS 1.0 (0x0301)
Supported Version: SSL 3.0 (0x0300)
Extension: psk_key_exchange_modes (len=2)
Type: psk_key_exchange_modes (45)
Length: 2
PSK Key Exchange Modes Length: 1
PSK Key Exchange Mode: PSK with (EC)DHE key establishment (psk_dhe_ke) (1)
Extension: key_share (len=38) x25519
Type: key_share (51)
Length: 38
Key Share extension
Client Key Share Length: 36
Key Share Entry: Group: x25519, Key Exchange length: 32
Group: x25519 (29)
Key Exchange Length: 32
Key Exchange: 881a61039e6f536c6e9f2fc07c3814549acea3e43479cd5087be1750750c692e
Extension: padding (len=233)
Type: padding (21)
Length: 233
Padding Data [truncated]: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
[JA4: t13d1613h2_1711a4c0508c_65df7edfe3b3]
[JA4_r: t13d1613h2_002f,0035,009c,009d,00ff,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0015,0017,0023,002b,002d,0033_0403,0804,0401,0503,0805,0501,0806,0601]
[JA3 Fullstring: 771,4865-4866-4867-49195-49199-49196-49200-52393-52392-49171-49172-156-157-47-53-255,0-11-10-35-5-16-18-23-13-43-45-51-21,29-23-24,0-1-2]
[JA3: 7c822e5e821268e8bd01b70e9cad0b85]
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