Ss

Alternative for netstat: ss tool

Newer distributions do not use netstat anymore in favor of other tools like ss. This alternative tool can show in-depth information about socket statistics.

Summary of Alternative for netstat: ss tool

System administrators and security professionals searching for listening ports on a server, are definitely familiar with the netstat command. However, newer distributions do not have the tool default installed anymore. Time to start using ss besides our beloved netstat command. ss Socket statistics, or ss for short, is an easy replacement command for netstat. One way to use it, is with parameters ss -aut -a: show listening and non-listening sockets -u: show UDP -t: show TCP # ss -aut Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port udp UNCONN 0 0 *:bootpc *:* tcp LISTEN 0 128 *:ssh *:* tcp ESTAB 0 0 192.

Read the full article…

Which Linux process is using a particular network port?

Seeing the 'address in use' error or need to find out which process is listening to a particular port on Linux? Here are the tools to find out!

Summary of Which Linux process is using a particular network port?

Most network related services have to open up a network socket, so they can start listening for incoming network requests. It is common to find the TCP or UDP being used as the main communication protocol. In this article, we will check what ports are used by which Linux process. Auditing processes and network services Find out what process is listening to a port Only one process can actively listen to a TCP or UDP port.

Read the full article…