关闭写后,发送是不行了,但是接收还可以

关闭写后,发送是不行了,但是接收还可以
C:Python27python.exe C:/Users/TLCB/PycharmProjects/untitled2/http/t5.py
('192.168.137.1', 64090)
('192.168.137.2', 8080)
['__class__', '__delattr__', '__dict__', '__doc__', '__format__', '__getattribute__', '__getitem__', '__getslice__', '__hash__', '__init__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__setstate__', '__sizeof__', '__str__', '__subclasshook__', '__unicode__', '__weakref__', 'args', 'errno', 'filename', 'message', 'strerror']
2
0
1
response:2121212121
Traceback (most recent call last):
  File "C:/Users/TLCB/PycharmProjects/untitled2/http/t5.py", line 19, in <module>
    s.send('xxxx')
socket.error: [Errno 10058] 

Process finished with exit code 1


node1:/root#tcpdump -i eth1 '((tcp) and ( host 192.168.137.1) and (port 8080))'
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes



07:29:16.559843 IP 192.168.137.1.64119 > node1.webcache: Flags [S], seq 1035122306, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length 0
07:29:16.559874 IP node1.webcache > 192.168.137.1.64119: Flags [S.], seq 1476814773, ack 1035122307, win 14600, options [mss 1460,nop,nop,sackOK,nop,wscale 6], length 0
07:29:16.559987 IP 192.168.137.1.64119 > node1.webcache: Flags [.], ack 1, win 16425, length 0

以上3次握手

07:29:26.632508 IP 192.168.137.1.64119 > node1.webcache: Flags [P.], seq 1:11, ack 1, win 16425, length 10
07:29:26.632544 IP node1.webcache > 192.168.137.1.64119: Flags [.], ack 11, win 229, length 0
07:29:26.641932 IP node1.webcache > 192.168.137.1.64119: Flags [P.], seq 1:20, ack 11, win 229, length 19
07:29:26.866467 IP node1.webcache > 192.168.137.1.64119: Flags [P.], seq 1:20, ack 11, win 229, length 19
07:29:26.866770 IP 192.168.137.1.64119 > node1.webcache: Flags [.], ack 20, win 16420, length 0
07:29:26.866794 IP 192.168.137.1.64119 > node1.webcache: Flags [.], ack 20, win 16420, options [nop,nop,sack 1 {1:20}], length 0


以上发送数据

07:29:36.547502 IP 192.168.137.1.64119 > node1.webcache: Flags [F.], seq 11, ack 20, win 16420, length 0
07:29:36.547743 IP node1.webcache > 192.168.137.1.64119: Flags [F.], seq 20, ack 12, win 229, length 0
07:29:36.548199 IP 192.168.137.1.64119 > node1.webcache: Flags [.], ack 21, win 16420, length 0


以上192.168.137.1 发送fin半关闭