Working TLS client hello packet (sent by .NET core client)

working-tls-client-hello.txt

Frame 17650: 229 bytes on wire (1832 bits), 229 bytes captured (1832 bits) on interface \Device\NPF_Loopback, id 0
Null/Loopback
Internet Protocol Version 6, Src: ::1, Dst: ::1
    0110 .... = Version: 6
    .... 0000 0010 .... .... .... .... .... = Traffic Class: 0x02 (DSCP: CS0, ECN: ECT(0))
        .... 0000 00.. .... .... .... .... .... = Differentiated Services Codepoint: Default (0)
        .... .... ..10 .... .... .... .... .... = Explicit Congestion Notification: ECN-Capable Transport codepoint '10' (2)
    .... .... .... 0011 1001 1110 0001 1110 = Flow Label: 0x39e1e
    Payload Length: 185
    Next Header: TCP (6)
    Hop Limit: 128
    Source Address: ::1
    Destination Address: ::1
Transmission Control Protocol, Src Port: 64248, Dst Port: 50052, Seq: 1, Ack: 1, Len: 165
    Source Port: 64248
    Destination Port: 50052
    [Stream index: 321]
    [TCP Segment Len: 165]
    Sequence Number: 1    (relative sequence number)
    Sequence Number (raw): 2944596803
    [Next Sequence Number: 166    (relative sequence number)]
    Acknowledgment Number: 1    (relative ack number)
    Acknowledgment number (raw): 840371674
    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: 10230
    [Calculated window size: 2618880]
    [Window size scaling factor: 256]
    Checksum: 0x3b1a [unverified]
    [Checksum Status: Unverified]
    Urgent Pointer: 0
    [SEQ/ACK analysis]
        [iRTT: 0.000368000 seconds]
        [Bytes in flight: 165]
        [Bytes sent since last PSH flag: 165]
    [Timestamps]
        [Time since first frame in this TCP stream: 0.058076000 seconds]
        [Time since previous frame in this TCP stream: 0.057708000 seconds]
    TCP payload (165 bytes)
Transport Layer Security
    TLSv1.2 Record Layer: Handshake Protocol: Client Hello
        Content Type: Handshake (22)
        Version: TLS 1.2 (0x0303)
        Length: 160
        Handshake Protocol: Client Hello
            Handshake Type: Client Hello (1)
            Length: 156
            Version: TLS 1.2 (0x0303)
            Random: 60404e94f692fff00a2a9ff8ea40178ff84ee6968cfac2f94dfe7cbb8010bb8c
                GMT Unix Time: Mar  3, 2021 19:05:56.000000000 Pacific Standard Time
                Random Bytes: f692fff00a2a9ff8ea40178ff84ee6968cfac2f94dfe7cbb8010bb8c
            Session ID Length: 0
            Cipher Suites Length: 26
            Cipher Suites (13 suites)
                Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (0xc02c)
                Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (0xc02b)
                Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 (0xc028)
                Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (0xc027)
                Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014)
                Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013)
                Cipher Suite: TLS_RSA_WITH_AES_256_GCM_SHA384 (0x009d)
                Cipher Suite: TLS_RSA_WITH_AES_128_GCM_SHA256 (0x009c)
                Cipher Suite: TLS_RSA_WITH_AES_256_CBC_SHA256 (0x003d)
                Cipher Suite: TLS_RSA_WITH_AES_128_CBC_SHA256 (0x003c)
                Cipher Suite: TLS_RSA_WITH_AES_256_CBC_SHA (0x0035)
                Cipher Suite: TLS_RSA_WITH_AES_128_CBC_SHA (0x002f)
                Cipher Suite: TLS_RSA_WITH_3DES_EDE_CBC_SHA (0x000a)
            Compression Methods Length: 1
            Compression Methods (1 method)
                Compression Method: null (0)
            Extensions Length: 89
            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: supported_groups (len=6)
                Type: supported_groups (10)
                Length: 6
                Supported Groups List Length: 4
                Supported Groups (2 groups)
                    Supported Group: secp384r1 (0x0018)
                    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: signature_algorithms (len=20)
                Type: signature_algorithms (13)
                Length: 20
                Signature Hash Algorithms Length: 18
                Signature Hash Algorithms (9 algorithms)
                    Signature Algorithm: rsa_pkcs1_sha256 (0x0401)
                        Signature Hash Algorithm Hash: SHA256 (4)
                        Signature Hash Algorithm Signature: RSA (1)
                    Signature Algorithm: rsa_pkcs1_sha384 (0x0501)
                        Signature Hash Algorithm Hash: SHA384 (5)
                        Signature Hash Algorithm Signature: RSA (1)
                    Signature Algorithm: rsa_pkcs1_sha1 (0x0201)
                        Signature Hash Algorithm Hash: SHA1 (2)
                        Signature Hash Algorithm Signature: RSA (1)
                    Signature Algorithm: ecdsa_secp256r1_sha256 (0x0403)
                        Signature Hash Algorithm Hash: SHA256 (4)
                        Signature Hash Algorithm Signature: ECDSA (3)
                    Signature Algorithm: ecdsa_secp384r1_sha384 (0x0503)
                        Signature Hash Algorithm Hash: SHA384 (5)
                        Signature Hash Algorithm Signature: ECDSA (3)
                    Signature Algorithm: ecdsa_sha1 (0x0203)
                        Signature Hash Algorithm Hash: SHA1 (2)
                        Signature Hash Algorithm Signature: ECDSA (3)
                    Signature Algorithm: SHA1 DSA (0x0202)
                        Signature Hash Algorithm Hash: SHA1 (2)
                        Signature Hash Algorithm Signature: DSA (2)
                    Signature Algorithm: rsa_pkcs1_sha512 (0x0601)
                        Signature Hash Algorithm Hash: SHA512 (6)
                        Signature Hash Algorithm Signature: RSA (1)
                    Signature Algorithm: ecdsa_secp521r1_sha512 (0x0603)
                        Signature Hash Algorithm Hash: SHA512 (6)
                        Signature Hash Algorithm Signature: ECDSA (3)
            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: 2
                    ALPN Next Protocol: h2
                    ALPN string length: 8
                    ALPN Next Protocol: http/1.1
            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