[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
abca4c1d DM	1	[[nmap]]
	2	`nmap` - Port Scans
	3	-------------------
	4
	5	`nmap` is designed to allow system administrators to scan large
0a739dae OB	6	networks to determine which hosts are up and what services they
0a739dae OB	7	offer. You can use nmap to test your firewall settings, for example
abca4c1d DM	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
e5fa9b13 TL	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).
abca4c1d	16
abca4c1d	17	PORT STATE SERVICE
e5fa9b13	18	2703/tcp open sms-chat
abca4c1d	19
e5fa9b13	20	Nmap done: 1 IP address (1 host up) scanned in 6.83 seconds
abca4c1d DM	21	----
abca4c1d DM	22
0a739dae OB	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`).