Top "Network-programming" questions

Programming associated with creating and managing networks as well as adding network connectivity to a (set of) programs.

How does the OS know which network interface to use for the internet?

I have a PC with two network interfaces: eth0 and eth1. eth0 - Has an ip of 192.168.11.X/24. eth1 - …

sockets network-programming network-interface
How to send a UDP packet to a specific computer when all the computer on the network have the same public IP address?

Here's the problem, it's very simple (to understand..): I have 2 computers at home, they both have the same public IP …

java network-programming udp ip-address packet
Is TCP Communication a 2-way communication?

This is really a newbie question regarding TCP Communication. Is TCP Communication a 2-way communication? Let me give a scenario: …

tcp network-programming port firewall tcpclient
What's the best way to ping many network devices in parallel?

I poll a lot of devices in network (more than 300) by iterative ping. The program polls the devices sequentially, so …

delphi network-programming polling ping iocp
How do I pump traffic using tcpreplay at 100 MBps, 500 MBps and 1Gbps speeds?

I used the -R and -K option but it doesnt seem to be working as I captured the pumped traffic …

network-programming wireshark tcpdump network-monitoring tcpreplay
Where can I find a list of bittorent dht bootstrap nodes?

Using my google-fu I was able to find only a few nodes: router.bitcomet.com, router.utorrent.com, router.bittorrent.…

networking network-programming p2p network-protocols bittorrent
how to add http headers to a packet sniffed using scapy

I am trying to sniff an out going http packet using scapy, add a few new http headers in it …

python http network-programming packet-sniffers scapy
Calculate throughput in NS2 using AWK

My senario in NS 2.29 has 5 nodes which each node has 2 interfaces to expect node 0 and node 4 and node 0 wants to …

networking network-programming awk ns2 throughput
Network sniffing with python

I'm going to build an sniffing software for the university. I have some ideas but want to hear some more. …

python networking network-programming sniffing
Using Wifi module ESP8266 to send UDP broadcast message

I need to communicate Arduino module with my Phone through ESP8266 wifi module They all link to the local LAN …

c arduino network-programming esp8266