Linux MaC Network tools - sinsunsan/archiref_wiki GitHub Wiki

Linux

nmap -p 80 example.com

Allow to say if a given port is open or not

• List all open port

netstat -tulnp

• Show if iptables port is open

iptables -L

• Test a specific port from outside

telnet www.openbricks.io 80

• how to log iptables http://www.thegeekstuff.com/2012/08/iptables-log-packets

MAC

• http://superuser.com/questions/597398/no-idea-what-is-listening-on-port-80-in-os-x sudo lsof -i ':80'