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@paulghaddad
Created October 13, 2014 21:29
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Level Up 1: Knows what ports are and can use netstat to find them
1. Demonstrate the command to show the list of currently listening ports on your laptop.
netstat -l
2. Do it again on a Linux VM, but make sure to include the flags to display the applications that are listening. Find the application port and pid that run sshd.
My VM uses SSH: netstat -alp | grep 'ssh'
tcp 0 0 192.168.56.78:22 192.168.56.1:54924 ESTABLISHED 5591/sshd: cnuapp
3. List the default ports for ssh, scp, http, https and postgres.
SSH: 22
SCP: 22
HTTP: 80
HTTPS: 443
Postgres: 5432
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