[pmg-docs.git] / nmap.adoc

[[nmap]]
`nmap` - Port Scans
-------------------

`nmap` is designed to allow system administrators to scan large
networks to determine which hosts are up and what services they
offer. You can use nmap to test your firewall settings, for example
to see if the required ports are open.

.Test Razor port (tcp port 2703):
----
# nmap -P0 -sS -p 2703 c301.cloudmark.com
Starting Nmap 7.70 ( https://nmap.org ) at 2020-04-14 12:20 CEST
Nmap scan report for c301.cloudmark.com (208.83.137.114)
Host is up (0.13s latency).

PORT     STATE SERVICE
2703/tcp open  sms-chat

Nmap done: 1 IP address (1 host up) scanned in 6.83 seconds
----

For more information about `nmap` usage, see the
https://nmap.org/book/man.html[Nmap Reference Guide], also available as a manual
page (`man nmap`).
Commit	Line	Data
	1	[[nmap]]
	2	`nmap` - Port Scans
	3	-------------------
	4
	5	`nmap` is designed to allow system administrators to scan large
	6	networks to determine which hosts are up and what services they
	7	offer. You can use nmap to test your firewall settings, for example
	8	to see if the required ports are open.
	9
	10	.Test Razor port (tcp port 2703):
	11	----
	12	# nmap -P0 -sS -p 2703 c301.cloudmark.com
	13	Starting Nmap 7.70 ( https://nmap.org ) at 2020-04-14 12:20 CEST
	14	Nmap scan report for c301.cloudmark.com (208.83.137.114)
	15	Host is up (0.13s latency).
	16
	17	PORT STATE SERVICE
	18	2703/tcp open sms-chat
	19
	20	Nmap done: 1 IP address (1 host up) scanned in 6.83 seconds
	21	----
	22
	23	For more information about `nmap` usage, see the
	24	https://nmap.org/book/man.html[Nmap Reference Guide], also available as a manual
	25	page (`man nmap`).