n1mh · November 30, 2016 09:13
diff --git a/checking_open_ports_with_bash b/checking_open_ports_with_bash
 #!/bin/bash

 # adapted from:
 # https://stackoverflow.com/questions/9609130/quick-way-to-find-if-a-port-is-open-on-linux#9609247
 #  exec 6<>/dev/tcp/ip.addr.of.server/445
 #  echo -e "GET / HTTP/1.0\n" >&6
 #  cat <&6

 ( exec 6<>/dev/tcp/127.0.0.1/22 && echo 'ssh open!' )|| echo 'ssh closed'
	#!/bin/bash

	# adapted from:
	# https://stackoverflow.com/questions/9609130/quick-way-to-find-if-a-port-is-open-on-linux#9609247
	# exec 6<>/dev/tcp/ip.addr.of.server/445
	# echo -e "GET / HTTP/1.0\n" >&6
	# cat <&6

	( exec 6<>/dev/tcp/127.0.0.1/22 && echo 'ssh open!' )\|\| echo 'ssh closed'