How to setup Local Area Network (LAN) using switch on Ubuntu ?

LAN

Setting up LAN using switch is required if we don’t have the router but still we want … Read more

Understanding wireless beacon packet ( captured using pcap API’s )

As per Wikipedia, Beacon frame is one of the management frames in IEEE 802.11 based WLANs. It contains all the … Read more

How to get mac-id using ipaddress in Linux ?

Make sure you ping that IP atleast once so this can get address into ARP table. PING … Read more

Do Modems Have IP Addresses?

How to disable and / or enable ICMP ping from Linux host ?

To disable the ICMP ping from certain Linux host, lets say which has IP of 192.168.0.100 use … Read more

How to identify IP Address’s of all devices in a network ?

Sometimes someone from within your network starts consuming lot of bandwidth and you just needed to identify … Read more

How to Identify which process keeps port busy on android / Linux ?

Lets say you are trying to do something with UPNP which reserves port 1900 for all of … Read more

C program to read mac address using WiFi interface name

If you need to get the mac address of certain wifi interface using C program, you can … Read more

Send and Receive (Transfer) integer over socket using C program

Following the simple example which shows how we can send and receive an integer over a socket. … Read more