wasabi
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Published
20 hours ago •
hikalium
hikalium
Implement TCP stack
$ sudo WIRESHARK_LOG_LEVEL=CRITICAL tshark -i lo -Y 'tcp.port==18080' -T fields -e _ws.col.Info
Running as user "root" and group "root". This could be dangerous.
Capturing on 'Loopback: lo'
52510 → 18080 [SYN] Seq=0 Win=65495 Len=0 MSS=65495 SACK_PERM=1 TSval=2889372268 TSecr=0 WS=128
18080 → 52510 [SYN, ACK] Seq=0 Ack=1 Win=65483 Len=0 MSS=65495 SACK_PERM=1 TSval=2889372268 TSecr=2889372268 WS=128
52510 → 18080 [ACK] Seq=1 Ack=1 Win=65536 Len=0 TSval=2889372268 TSecr=2889372268
52510 → 18080 [PSH, ACK] Seq=1 Ack=1 Win=65536 Len=6 TSval=2889372268 TSecr=2889372268
18080 → 52510 [ACK] Seq=1 Ack=7 Win=65536 Len=0 TSval=2889372268 TSecr=2889372268
52510 → 18080 [FIN, ACK] Seq=7 Ack=1 Win=65536 Len=0 TSval=2889372268 TSecr=2889372268
18080 → 52510 [FIN, ACK] Seq=1 Ack=8 Win=65536 Len=0 TSval=2889372268 TSecr=2889372268
52510 → 18080 [ACK] Seq=8 Ack=2 Win=65536 Len=0 TSval=2889372268 TSecr=2889372268
hikalium@penguin:~$ tshark -r tcp_hello.pcapng -Y 'tcp.port==18080' -T fields -e _ws.col.Info
55962 → 18080 [SYN] Seq=0 Win=65476 Len=0 MSS=65476 SACK_PERM=1 TSval=1445116958 TSecr=0 WS=128
18080 → 55962 [SYN, ACK] Seq=0 Ack=1 Win=65464 Len=0 MSS=65476 SACK_PERM=1 TSval=1445116958 TSecr=1445116958 WS=128
55962 → 18080 [ACK] Seq=1 Ack=1 Win=65536 Len=0 TSval=1445116958 TSecr=1445116958
55962 → 18080 [PSH, ACK] Seq=1 Ack=1 Win=65536 Len=6 TSval=1445116958 TSecr=1445116958
18080 → 55962 [ACK] Seq=1 Ack=7 Win=65536 Len=0 TSval=1445116958 TSecr=1445116958
55962 → 18080 [FIN, ACK] Seq=7 Ack=1 Win=65536 Len=0 TSval=1445116958 TSecr=1445116958
18080 → 55962 [FIN, ACK] Seq=1 Ack=8 Win=65536 Len=0 TSval=1445116958 TSecr=1445116958
55962 → 18080 [ACK] Seq=8 Ack=2 Win=65536 Len=0 TSval=1445116959 TSecr=1445116958
0000 00 00 00 00 00 00 00 00 00 00 00 00 86 dd 60 04 ..............`.
0010 20 8c 00 28 06 40 00 00 00 00 00 00 00 00 00 00 ..(.@..........
0020 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 ................
0030 00 00 00 00 00 01 da 9a 46 a0 03 6c f9 fc 00 00 ........F..l....
0040 00 00 a0 02 ff c4 00 30 00 00 02 04 ff c4 04 02 .......0........
0050 08 0a 56 22 bc 1e 00 00 00 00 01 03 03 07 ..V"..........
0000 00 00 00 00 00 00 00 00 00 00 00 00 86 dd 60 02 ..............`.
0010 44 61 00 28 06 40 00 00 00 00 00 00 00 00 00 00 Da.(.@..........
0020 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 ................
0030 00 00 00 00 00 01 46 a0 da 9a b0 92 ba e4 03 6c ......F........l
0040 f9 fd a0 12 ff b8 00 30 00 00 02 04 ff c4 04 02 .......0........
0050 08 0a 56 22 bc 1e 56 22 bc 1e 01 03 03 07 ..V"..V"......
0000 00 00 00 00 00 00 00 00 00 00 00 00 86 dd 60 04 ..............`.
0010 20 8c 00 20 06 40 00 00 00 00 00 00 00 00 00 00 .. .@..........
0020 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 ................
0030 00 00 00 00 00 01 da 9a 46 a0 03 6c f9 fd b0 92 ........F..l....
0040 ba e5 80 10 02 00 00 28 00 00 01 01 08 0a 56 22 .......(......V"
0050 bc 1e 56 22 bc 1e ..V"..
0000 00 00 00 00 00 00 00 00 00 00 00 00 86 dd 60 04 ..............`.
0010 20 8c 00 26 06 40 00 00 00 00 00 00 00 00 00 00 ..&.@..........
0020 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 ................
0030 00 00 00 00 00 01 da 9a 46 a0 03 6c f9 fd b0 92 ........F..l....
0040 ba e5 80 18 02 00 00 2e 00 00 01 01 08 0a 56 22 ..............V"
0050 bc 1e 56 22 bc 1e 68 65 6c 6c 6f 0a ..V"..hello.
0000 00 00 00 00 00 00 00 00 00 00 00 00 86 dd 60 02 ..............`.
0010 44 61 00 20 06 40 00 00 00 00 00 00 00 00 00 00 Da. .@..........
0020 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 ................
0030 00 00 00 00 00 01 46 a0 da 9a b0 92 ba e5 03 6c ......F........l
0040 fa 03 80 10 02 00 00 28 00 00 01 01 08 0a 56 22 .......(......V"
0050 bc 1e 56 22 bc 1e ..V"..
0000 00 00 00 00 00 00 00 00 00 00 00 00 86 dd 60 04 ..............`.
0010 20 8c 00 20 06 40 00 00 00 00 00 00 00 00 00 00 .. .@..........
0020 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 ................
0030 00 00 00 00 00 01 da 9a 46 a0 03 6c fa 03 b0 92 ........F..l....
0040 ba e5 80 11 02 00 00 28 00 00 01 01 08 0a 56 22 .......(......V"
0050 bc 1e 56 22 bc 1e ..V"..
0000 00 00 00 00 00 00 00 00 00 00 00 00 86 dd 60 02 ..............`.
0010 44 61 00 20 06 40 00 00 00 00 00 00 00 00 00 00 Da. .@..........
0020 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 ................
0030 00 00 00 00 00 01 46 a0 da 9a b0 92 ba e5 03 6c ......F........l
0040 fa 04 80 11 02 00 00 28 00 00 01 01 08 0a 56 22 .......(......V"
0050 bc 1e 56 22 bc 1e ..V"..
0000 00 00 00 00 00 00 00 00 00 00 00 00 86 dd 60 04 ..............`.
0010 20 8c 00 20 06 40 00 00 00 00 00 00 00 00 00 00 .. .@..........
0020 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 ................
0030 00 00 00 00 00 01 da 9a 46 a0 03 6c fa 04 b0 92 ........F..l....
0040 ba e6 80 10 02 00 00 28 00 00 01 01 08 0a 56 22 .......(......V"
0050 bc 1f 56 22 bc 1e ..V"..