linux如何查看正在使用的端口
# Any of the following
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo lsof -i:22 # see a specific port such as 22
sudo nmap -sTU -O IP-address-Here
如何检查linux中打开的端口列表
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo lsof -i:22 # see a specific port such as 22
sudo nmap -sTU -O IP-address-Here
linux如何查看正在使用的端口
sudo netstat -tulpn | grep LISTEN
sudo lsof -i:22 # see a specific port such as 22
ubuntu监听端口
# To see ports in use
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
ubuntu开放端口
sudo ufw allow 1191/tcp
检查哪些端口是开放的linux
## if you use linux
sudo ss -tulw