UDP 数据包不会在wireshark 中捕获

编程问答 2022-05-24

问题描述

我在 python 中设置了简单的服务器/客户端，并通过端口号为 1234 的 UDP 协议在它们之间来回发送信息。但是，这些数据包不会在 Wireshark 中捕获。 有人可以帮我过滤吗？ 我的服务器代码：

import socket

#CONfigURATION OF THE SERVERPORT 
serverPort=1234
#CONfigURATION OF THE SERVERSOCKET 
serverSocket=socket.socket(socket.AF_INET,socket.soCK_DGRAM)
#GENErating THE ARTIFICIAL SERVER 
serverSocket.bind((socket.gethostname(),serverPort))



print("server is ready to receive")

#sending the server into listening mode 
while 1:
    #server is gettinbg the client info
    #plus we also get the address 
    msgandaddress=serverSocket.recvfrom(1024)
    #server is reading the text 
    a=(msgandaddress[0].decode())    
    
    #server is sending the response 
    filecomposition="response sent for "+str(a)
    #server is sending the composition to the client 
    serverSocket.sendto(filecomposition.encode(),msgandaddress[1])

我的客户代码

import socket 
from datetime import datetime
import time
#configuring the server port 
serverPort=1234
#configuring the socket to UDP 
clientsocket=socket.socket(socket.AF_INET,socket.soCK_DGRAM)
print(socket.gethostname())
for i in range(0,1):
    #marking the starttime 
    starttime=datetime.Now()
    
    #sending the message at the specific time 
    clientsocket.sendto(str(i).encode(),(socket.gethostname(),serverPort))
    print("ping has been sent at "+str(starttime))
    #receiving the message at the specific time 
    responseandaddress=clientsocket.recvfrom(1024)
    endttime=datetime.Now()
    print("pong has been received at "+str(endttime))
    #calculating the difference 
    print(str(i)+"."+" RTT TIME:"+str((endttime-starttime).total_seconds()))
    print("\n\n")

解决方法

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client-servernetworkingpythonudpclientwiresharkwireshark