ubuntu@arm:~$ nc -vN ports.ubuntu.com 80 </dev/null
nc: invalid option -- 'N'
This is nc from the netcat-openbsd package. An alternative nc is available
in the netcat-traditional package.
usage: nc [-46bCDdhjklnrStUuvZz] [-I length] [-i interval] [-O length]
          [-P proxy_username] [-p source_port] [-q seconds] [-s source]
          [-T toskeyword] [-V rtable] [-w timeout] [-X proxy_protocol]
          [-x proxy_address[:port]] [destination] [port]


ubuntu@arm:~$ wget --no-proxy http://ports.ubuntu.com/
--2019-01-19 11:48:28--  http://ports.ubuntu.com/
Resolving ports.ubuntu.com (ports.ubuntu.com)... 172.1.8.1
Connecting to ports.ubuntu.com (ports.ubuntu.com)|172.1.8.1|:80...