Differences

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--- python_wiki:test_port [2015/03/09 23:27]
billdozor
+++ python_wiki:test_port [2019/05/25 23:50]
@@ Line 1: / Line 1: @@
-====== Test Port ======
-**General Information**
-Function to check a network port to see if it is open on a host.
-**Checklist**
-  * import socket
-----
-===== The Code =====
-<code python>
-import socket
-def test_port(host,port):
-	# Test a host and port pair to see if a connection can be made.
-	host_port = (host,port)
-	try:
-		socket_test = socket.create_connection(host_port,timeout=5)
-		socket_test.close()
-		# Port is open, return 1 (true)
-		return 1
-	except Exception:
-		# Port is not open, return 0 (false)
-		return 0
-</code>
-==== Usage ====
-Call this function, checking server1 for tcp/22 (ssh):
-<code python>
-if test_port(server1,22):
-  do ssh stuff
-else:
-  print("Server not listening on tcp/22!")
-</code>