check port windows
netstat -aoncheck port windows
netstat -aonHow to check if port is in use in
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo ss -tulpn | grep LISTEN
sudo lsof -i:22 ## see a specific port such as 22 ##
sudo nmap -sTU -O IP-address-Herecheck if a port is working
# On the server itself:
netstat -an
# From outside
telnet host port #Windows
telnet host:port #Unix systemsCopyright © 2021 Codeinu
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