nc¶
~ nc -v -w 2 61.135.169.121 80
found 0 associations
found 1 connections:
1: flags=82<CONNECTED,PREFERRED>
outif en0
src 192.168.55.15 port 57475
dst 61.135.169.121 port 80
rank info not available
TCP aux info available
Connection to 61.135.169.121 port 80 [tcp/http] succeeded!