Top "Nmap" questions

Questions relating to Nmap, a free and open-source utility for network exploration or security auditing.

is it possible to get the MAC address for machine using nmap

I have a list of remote machines in a text files. Can I know their MAC addresses using nmap ?

nmap
How to retrieve both TCP and UDP ports with Nmap?

I need to retrieve both TCP and UDP ports in the same scan with Nmap in the fastest way possible. …

tcp udp nmap port-scanning
nmap warning: giving up on port because retransmission cap hit (2)

I am trying to scan a large set of domain names using nmap. I used the following command: Nmap -PN …

networking nmap port-scanning domain-mapping
Nmap - RTTVAR has grown to over 2.3 seconds, decreasing to 2.0

I have a script that I'm using to build a config for icinga2. The network is large, multiple /13's large. …

bash ubuntu scripting arp nmap
How to determine which IPs in a given range have port 80 using nmap?

I'm new to bash scripting and I'm trying to get this working: Scanning an IP range for finding devices with …

bash shell nmap
Mobile Device identification using Nmap

I am attempting to identify a mobile device on a LAN using Nmap, more specifically an Android smartphone. Both my …

android smartphone identification nmap
Nmap not retrieving MAC address and Vendor

I've found a strange behaviour in Nmap (I am using version 5.51 if that matters but I have the same issue …

macos networking nmap auditing
Nmap IP range specification

I need to specify specific IP range for Nmap scan, for example: 192.168.1.140 - 192.168.3.255 If I do it like: 192.168.1-3.140-255 …

range ip-address nmap port-scanning
Faster host discovery with nmap?

I need to launch a background network device discovery process from a script on a regular basis, and it needs …

linux ping nmap network-monitoring
Output IP only from an nmap scan on open port

I'm wanting to find computers with ssh open on my subnet but it shows all host that are up in …

shell nmap