Check Open Ports Remotely

Here are a few tools to check if ports are open from a remote host.

<pre lang="bash">
nc -zvw10 192.168.0.1 22
nmap 192.168.0.1 -p 22
telnet 192.168.0.1 22

You may have to install netcat and nmap if missing in your distro.

<pre lang="bash">
yum install nc
yum install nmap