We use nmap
Install nmap
# yum install nmap
Now use the following format to check for open ports
# nmap -p (port-number) (ip-address/domain-name)
# nmap -p 80 google.com
# nmap -p 80 192.168.1.1
Install nmap
# yum install nmap
Now use the following format to check for open ports
# nmap -p (port-number) (ip-address/domain-name)
# nmap -p 80 google.com
# nmap -p 80 192.168.1.1