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anlsh/failed-tls-client-hello.txt

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Failed TLS client hello packet (sent by Python GRPC client)
Raw
failed-tls-client-hello.txt
Frame 23442: 561 bytes on wire (4488 bits), 561 bytes captured (4488 bits) on interface \Device\NPF_Loopback, id 0
Null/Loopback
Internet Protocol Version 4, Src: 127.0.0.1, Dst: 127.0.0.1
0100 .... = Version: 4
.... 0101 = Header Length: 20 bytes (5)
Differentiated Services Field: 0x02 (DSCP: CS0, ECN: ECT(0))
0000 00.. = Differentiated Services Codepoint: Default (0)
.... ..10 = Explicit Congestion Notification: ECN-Capable Transport codepoint '10' (2)
Total Length: 557
Identification: 0xfe48 (65096)
Flags: 0x40, Don't fragment
0... .... = Reserved bit: Not set
.1.. .... = Don't fragment: Set
..0. .... = More fragments: Not set
Fragment Offset: 0
Time to Live: 128
Protocol: TCP (6)
Header Checksum: 0x0000 [validation disabled]
[Header checksum status: Unverified]
Source Address: 127.0.0.1
Destination Address: 127.0.0.1
Transmission Control Protocol, Src Port: 55076, Dst Port: 50052, Seq: 1, Ack: 1, Len: 517
Source Port: 55076
Destination Port: 50052
[Stream index: 325]
[TCP Segment Len: 517]
Sequence Number: 1 (relative sequence number)
Sequence Number (raw): 3000020399
[Next Sequence Number: 518 (relative sequence number)]
Acknowledgment Number: 1 (relative ack number)
Acknowledgment number (raw): 3831241629
0101 .... = Header Length: 20 bytes (5)
Flags: 0x018 (PSH, ACK)
000. .... .... = Reserved: Not set
...0 .... .... = Nonce: Not set
.... 0... .... = Congestion Window Reduced (CWR): Not set
.... .0.. .... = ECN-Echo: Not set
.... ..0. .... = Urgent: Not set
.... ...1 .... = Acknowledgment: Set
.... .... 1... = Push: Set
.... .... .0.. = Reset: Not set
.... .... ..0. = Syn: Not set
.... .... ...0 = Fin: Not set
[TCP Flags: ·······AP···]
Window: 10233
[Calculated window size: 2619648]
[Window size scaling factor: 256]
Checksum: 0xcd9a [unverified]
[Checksum Status: Unverified]
Urgent Pointer: 0
[SEQ/ACK analysis]
[iRTT: 0.000304000 seconds]
[Bytes in flight: 517]
[Bytes sent since last PSH flag: 517]
[Timestamps]
[Time since first frame in this TCP stream: 0.001531000 seconds]
[Time since previous frame in this TCP stream: 0.001227000 seconds]
TCP payload (517 bytes)
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: 45ee6e1450419efe0c7144d8c0f8eb744e6bf97405caa0efbe1ae57e07f8df54
GMT Unix Time: Mar 6, 2007 23:47:32.000000000 Pacific Standard Time
Random Bytes: 50419efe0c7144d8c0f8eb744e6bf97405caa0efbe1ae57e07f8df54
Session ID Length: 32
Session ID: 1ddc595983a6e23f1da0bfe462d9f33e38046dd828108d651c2d8381dc9b7d41
Cipher Suites Length: 14
Cipher Suites (7 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_ECDSA_WITH_AES_256_GCM_SHA384 (0xc02c)
Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f)
Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030)
Compression Methods Length: 1
Compression Methods (1 method)
Compression Method: null (0)
Extensions Length: 421
Extension: server_name (len=14)
Type: server_name (0)
Length: 14
Server Name Indication extension
Server Name list length: 12
Server Name Type: host_name (0)
Server Name length: 9
Server Name: localhost
Extension: extended_master_secret (len=0)
Type: extended_master_secret (23)
Length: 0
Extension: renegotiation_info (len=1)
Type: renegotiation_info (65281)
Length: 1
Renegotiation Info extension
Renegotiation info extension length: 0
Extension: supported_groups (len=4)
Type: supported_groups (10)
Length: 4
Supported Groups List Length: 2
Supported Groups (1 group)
Supported Group: secp256r1 (0x0017)
Extension: ec_point_formats (len=2)
Type: ec_point_formats (11)
Length: 2
EC point formats Length: 1
Elliptic curves point formats (1)
EC point format: uncompressed (0)
Extension: session_ticket (len=0)
Type: session_ticket (35)
Length: 0
Data (0 bytes)
Extension: application_layer_protocol_negotiation (len=14)
Type: application_layer_protocol_negotiation (16)
Length: 14
ALPN Extension Length: 12
ALPN Protocol
ALPN string length: 8
ALPN Next Protocol: grpc-exp
ALPN string length: 2
ALPN Next Protocol: h2
Extension: signature_algorithms (len=20)
Type: signature_algorithms (13)
Length: 20
Signature Hash Algorithms Length: 18
Signature Hash Algorithms (9 algorithms)
Signature Algorithm: ecdsa_secp256r1_sha256 (0x0403)
Signature Hash Algorithm Hash: SHA256 (4)
Signature Hash Algorithm Signature: ECDSA (3)
Signature Algorithm: rsa_pss_rsae_sha256 (0x0804)
Signature Hash Algorithm Hash: Unknown (8)
Signature Hash Algorithm Signature: Unknown (4)
Signature Algorithm: rsa_pkcs1_sha256 (0x0401)
Signature Hash Algorithm Hash: SHA256 (4)
Signature Hash Algorithm Signature: RSA (1)
Signature Algorithm: ecdsa_secp384r1_sha384 (0x0503)
Signature Hash Algorithm Hash: SHA384 (5)
Signature Hash Algorithm Signature: ECDSA (3)
Signature Algorithm: rsa_pss_rsae_sha384 (0x0805)
Signature Hash Algorithm Hash: Unknown (8)
Signature Hash Algorithm Signature: Unknown (5)
Signature Algorithm: rsa_pkcs1_sha384 (0x0501)
Signature Hash Algorithm Hash: SHA384 (5)
Signature Hash Algorithm Signature: RSA (1)
Signature Algorithm: rsa_pss_rsae_sha512 (0x0806)
Signature Hash Algorithm Hash: Unknown (8)
Signature Hash Algorithm Signature: Unknown (6)
Signature Algorithm: rsa_pkcs1_sha512 (0x0601)
Signature Hash Algorithm Hash: SHA512 (6)
Signature Hash Algorithm Signature: RSA (1)
Signature Algorithm: rsa_pkcs1_sha1 (0x0201)
Signature Hash Algorithm Hash: SHA1 (2)
Signature Hash Algorithm Signature: RSA (1)
Extension: next_protocol_negotiation (len=0)
Type: next_protocol_negotiation (13172)
Length: 0
Extension: key_share (len=71)
Type: key_share (51)
Length: 71
Key Share extension
Client Key Share Length: 69
Key Share Entry: Group: secp256r1, Key Exchange length: 65
Group: secp256r1 (23)
Key Exchange Length: 65
Key Exchange: 04d1ac5cecc9db5545c690ddd591f0972d5977f7dac775d9c1b61b0de27b84fe37df14c8…
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: supported_versions (len=5)
Type: supported_versions (43)
Length: 5
Supported Versions length: 4
Supported Version: TLS 1.3 (0x0304)
Supported Version: TLS 1.2 (0x0303)
Extension: padding (len=236)
Type: padding (21)
Length: 236
Padding Data: 000000000000000000000000000000000000000000000000000000000000000000000000…
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