netcat: refresh page (#9926)

pages/common/nc.md

@@ -1,13 +1,9 @@
 # nc
 
 > Netcat is a versatile utility for working with TCP or UDP data.
-> More information: <https://nmap.org/ncat>.
+> More information: <https://manned.org/man/nc.1>.
 
-- Listen on a specified port and print any data received:
-
-`nc -l {{port}}`
-
-- Connect to a certain port:
+- Establish a TCP connection:
 
 `nc {{ip_address}} {{port}}`
 
@@ -15,18 +11,26 @@
 
 `nc -w {{timeout_in_seconds}} {{ipaddress}} {{port}}`
 
+- Scan the open TCP ports of a specified host:
+
+`nc -v -z {{ip_address}} {{port}}`
+
+- Listen on a specified TCP port and print any data received:
+
+`nc -l {{port}}`
+
 - Keep the server up after the client detaches:
 
 `nc -k -l {{port}}`
 
-- Keep the client up even after EOF:
+- Listen on a specified UDP port and print connection details and any data received:
 
-`nc -q {{timeout}} {{ip_address}}`
-
-- Scan the open ports of a specified host:
-
-`nc -v -z {{ip_address}} {{port}}`
+`nc -u -l {{port}}`
 
 - Act as proxy and forward data from a local TCP port to the given remote host:
 
 `nc -l {{local_port}} | nc {{hostname}} {{remote_port}}`
+
+- Send a HTTP request:
+
+`echo -e "GET / HTTP/1.1\nHost: {{hostname}}\n\n" | nc {{hostname}} 80`