====== nmap ======
===== Установка =====
==== Linux ====
=== Debian ===
<code bash>
sudo apt install nmap
</code>
=== Fedora/CentOS/Rocky/RHEL ===
<code bash>
sudo dnf install nmap
</code>
=== Arch ===
<code bash>
sudo pacman -s nmap
</code>
==== Mac OS ====
<code bash>
brew install nmap
</code>

===== Использование =====
==== Проверка открытых портов ====
<code bash>
nmap <host>
</code>
----
<cli>
~ > % nmap 192.168.1.1
Starting Nmap 7.94 ( https://nmap.org ) at 2023-05-31 10:20 MSK
Nmap scan report for 192.168.1.1
Host is up (0.0027s latency).
Not shown: 993 closed tcp ports (conn-refused)
PORT     STATE SERVICE
53/tcp   open  domain
80/tcp   open  http
443/tcp  open  https

Nmap done: 1 IP address (1 host up) scanned in 7.39 seconds
</cli>

==== Проверка доступности порта ====
<code bash>
nmap <host> -p <port>
</code>
----
<cli>
~ > % nmap 192.168.1.1 -p 9092
Starting Nmap 7.94 ( https://nmap.org ) at 2023-05-31 10:23 MSK
Nmap scan report for 192.168.1.1
Host is up (0.0076s latency).

PORT     STATE  SERVICE
9092/tcp closed XmlIpcRegSvc

Nmap done: 1 IP address (1 host up) scanned in 0.88 seconds
</cli>