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socket programming

Code a simple socket server in Python

Python sockets In a previous tutorial we learnt how to do basic . The tutorial explained how to code a socket server and client in python using low level socket api. Check out that tutorial if you are not through on the basics of socket programming in python. To recap, sockets are virtual endpoints of a communication channel that takes place between ...

Python program to fetch domain whois data using sockets

Whois The whois information of a domain name provides various details like registrar, owner, registration date, expiry date etc. The whois information is provided by the corresponding whois servers of the registrars. The first step is to contact whois.iana.org which provides the actual whois server of a domain name. Next the particular whois server is contacted which provides the full whois ...

Programming udp sockets in python

UDP sockets UDP or user datagram protocol is an alternative protocol to its more common counterpart TCP. UDP like TCP is a protocol for packet transfer from 1 host to another, but has some important differences. UDP is a connectionless and non-stream oriented protocol. It means a UDP server just catches incoming packets from any and many hosts without establishing a ...

Syn flood program in python using raw sockets (Linux)

Syn flood and raw sockets A syn flood program sends out large number of tcp syn packets to a remote host on a particular port number. Syn packets are intended to initiate a tcp connection. However if a large number of syn packets are send without any purpose, then then it would consume a lot of resources like memory on the ...

Perl socket programming tutorial

Tcp/IP socket programming Sockets enable your program or application to talk to other machines over the network. When you type in google.com in your browser, it talks to google.com over the internet and fetches the webpage. For socket programming we need to use the socket library or api which provides some very simple functions to do such a network communication. In ...

Udp socket programming in Java

Datagram sockets UDP sockets can be used in java with the DatagramSocket class. Server Let code a simple udp server that listens on a certain port number. /** Java ECHO server with UDP sockets example */ import java.io.*; import java.net.*; public class udp_server { public static void main(String args) { DatagramSocket sock = null; try { //1. creating a server socket, parameter is local port number sock = new DatagramSocket(7777); //buffer to receive incoming data byte buffer = new ...

UDP socket programming in winsock

UDP sockets UDP stands for User Datagram Protocol and is an alternative protocol to TCP the most common protocol used for data transfer over the internet. UDP is different from TCP in a number of ways. Most importantly UDP is a connectionless protocol. In the TCP protocol first a connection is established by performing the 3 step handshake. This is done by ...

Programming udp sockets in C on Linux

UDP sockets This article describes how to write a simple echo server and client using udp sockets in C on Linux/Unix platform. UDP sockets or Datagram sockets are different from the TCP sockets in a number of ways. The most important difference is that UDP sockets are not connection oriented. More technically speaking, a UDP server does not accept connections and ...

Server and client example with C sockets on Linux

In a previous example we learnt about the . In this example we shall build a basic ECHO client and server. The server/client shown here use TCP sockets or SOCK_STREAM. Tcp sockets are connection oriented, means that they have a concept of independant connection on a certain port which one application can use at a time. The concept of connection ...

PHP Socket programming tutorial

Php and tcp/ip sockets This is a quick guide/tutorial to learning socket programming in php. Socket programming php is very similar to C. Most functions are similar in names, parameters and output. However unlike C, socket programs written in php would run the same way on any os that has php installed. So the code does not need any platform specific ...

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