假设您有一个名为sock…的套接字，请使用socket.bind()
import socket
sock = socket.socket(socket.AF_INET, socket.soCK_STREAM)
DESTINATION_ADDR = '1.1.1.1'
SOURCE_PORT, DESTINATION_PORT = 31415, 80
sock.bind(('0.0.0.0', SOURCE_PORT))
sock.connect((DESTINATION_ADDR, DESTINATION_PORT))
现在，我运行tshark（text wireshark）以查看该界面上的流量…
[mpenning@Bucksnort ~]$ sudo tshark -i eth0 tcp and port 31415
Capturing on eth0
0.000000 24.19.161.6 -> 1.1.1.1 TCP 31415 > http [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=4228124209 TSER=0 WS=6
12.000009 24.19.161.6 -> 1.1.1.1 TCP 31415 > http [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=4228127209 TSER=0 WS=6
36.000010 24.19.161.6 -> 1.1.1.1 TCP 31415 > http [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=4228133209 TSER=0 WS=6
602392714
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