Tag Archives: network

Exfiltrating data using ICMP protocol

Posted on April 15, 2025 by Hamza Saleh

The main objective of this article is to demonstrate how ICMP packet could be used to exfiltrate data using Python. I’ll cover the following: What is ICMP protocol ICMP, or Internet Control Message Protocol, is a supporting protocol in the … Continue reading →

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How to scan for devices in your network in Ubuntu

Posted on December 19, 2018 by Ahmed Tawfik

sudo apt install arp-scan sudo arp-scan -l –interface=wlp2s0 Replace wlp2s0 with your NIC’s name, works for both wireless and wired Source: https://askubuntu.com/questions/82480/how-to-see-all-computers-connected-to-a-network

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List network adapters connected to Ubuntu Server

Posted on December 11, 2018 by Ahmed Tawfik

sudo ls /sys/class/net Source: https://askubuntu.com/questions/296152/how-to-check-what-is-my-network-card-on-ubuntu

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How to configure network settings in CentOS (from dhcp to static)

Posted on October 25, 2014 by Ahmed Tawfik

It’s a bit different from what we’re used to do in Ubuntu, here are the instructions, assuming our network interface is eth0: Take a backup from the “/etc/sysconfig/network-scripts/ifcfg-eth0” file, e.g. by the following command: “cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth0.bak” Open the “/etc/sysconfig/network-scripts/ifcfg-eth0” file for … Continue reading →

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How to change hostname in Redhat & Oracle Linux

Posted on October 24, 2012 by Ahmed Tawfik

As user “root” “vi /etc/sysconfig/network”, change HOSTNAME value to the new hostname “hostname NEW_HOST_NAME” to change it for the current sessions “vi /etc/hosts”, change the old value to point to the new hostname “service network restart” to restart the networking … Continue reading →

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