Linux, Windows, Security, Programming, Network Tutorials
Modern days IT needs are changed according to 80’s and 90’s. In the old days just operating IT was enough for success but today’s situation it is changed. We need to secure the IT environment to in order to be successful. There are different methodologies, standard, architectures to design, plan, implement, evolve the security of … Read more
Network scanning is one of the steps of penetration testing. There are different and popular tools to scan network line masscan, nmap etc. Arp-scan is a tool specifically designed to scan network with layer 2 or mac or Ethernet arp packets. Install We can install arp-scan tool with the following command. $ sudo apt install … Read more
There are a lot of tools for network troubleshooting and debugging. Arping is one of them which only pings same network hosts. So what makes arping special is it uses network layer arp packets. This works on mac protocol. It is useful especially to find hosts those do not respond layer 3 and layer 4 … Read more
Netcat is a simple but useful tool used for TCP, UDP, Unix-domain sockets. Netcat can listen or connect specified sockets easily. Netcat is a platform-independent command supported by Linux, Unix, Windows, BSD, macOS, etc. Common use cases for Netcat are; Simple TCP proxy Shell script-based HTTP clients and Servers Network daemon testing A SOCKS or … Read more
Nmap is a very useful tool. It is used by penetration testers mainly but from an operation perspective, it is used by system administrators too. Nmap has a lot of different features. The mac-related feature can be used to get mac addresses of the hosts in the same network segment. I can be used to … Read more
I have some servers and I want to check which ports are open. Open ports give clue about the load and security about the system. Open ports mean there is services running on the server and clients are using these so a load of this system is generally higher than other servers. Open ports can … Read more
Nmap is a very useful tool for network administration and security. It is the most used tool in these areas. But a lot of people use it with very basic means. Here we will look more sophisticated usage of Nmap step by step in this ant further posts. Target Hosts Create a text file and … Read more
Hi. We started with Nmap target specification. Now we resume with host discovery options. Host discovery is detecting hosts in the same or remote network. Generally, we send a packet to the target host and then we get a response or not but some times we just listen and get packets from hosts. We decide … Read more