Netcat - Revision history

Busk at 19:07, 22 April 2024

2024-04-22T19:07:06Z

2023-04-04T15:57:50Z

2022-05-03T23:00:55Z

2022-02-19T15:16:04Z

2022-02-19T14:54:39Z

2022-02-08T21:50:31Z

2022-02-08T21:50:04Z

Created page with "https://www.digitalocean.com/community/tutorials/how-to-use-netcat-to-establish-and-test-tcp-and-udp-connections"

New page

https://www.digitalocean.com/community/tutorials/how-to-use-netcat-to-establish-and-test-tcp-and-udp-connections

← Older revision		Revision as of 19:07, 22 April 2024
Line 1:		Line 1:
		+	# SSH
		+	```
		+	banner=$(nc -w 5 -v example.com 22 < /dev/null 2>&1 \| grep SSH) && echo $banner
		+	```
		+
	https://www.digitalocean.com/community/tutorials/how-to-use-netcat-to-establish-and-test-tcp-and-udp-connections		https://www.digitalocean.com/community/tutorials/how-to-use-netcat-to-establish-and-test-tcp-and-udp-connections

@@ Line 5: / Line 5: @@
 nc -w 1 -z -v host.example.com 443
 [[ $(nc -w1 -z -v www.example.com 443 2>&1) == *"succeeded"* ]] && echo ok
 ```

@@ Line 2: / Line 2: @@
 ```
-nc -z -v host.example.com 443
+nc -zvw 2 host.example.com 443
 nc -w 1 -z -v host.example.com 443
 [[ $(nc -w1 -z -v www.example.com 443 2>&1) == *"succeeded"* ]] && echo ok
 ```

@@ Line 4: / Line 4: @@
 nc -z -v host.example.com 443
 nc -w 1 -z -v host.example.com 443
 ```

@@ Line 3: / Line 3: @@
 ```
 nc -z -v host.example.com 443
 ```

← Older revision		Revision as of 21:50, 8 February 2022
Line 1:		Line 1:
	https://www.digitalocean.com/community/tutorials/how-to-use-netcat-to-establish-and-test-tcp-and-udp-connections		https://www.digitalocean.com/community/tutorials/how-to-use-netcat-to-establish-and-test-tcp-and-udp-connections
		+
		+	```
		+	nc -z -v host.example.com 443
		+	```