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--- informatica:linux:nmap [2009/11/05 07:47] – editor externo 127.0.0.1
+++ informatica:linux:nmap [2026/03/01 14:24] (current) – jose
@@ Line 1: / Line 1: @@
-. Descargar desde http://insecure.org/nmap/download.html
+Escaneo de IPs con descripción de MAC:
+<code>
+nmap -sn 192.168.1.0/24 | awk '
+/Nmap scan report/ {
+    ip=$NF
+    gsub(/[()]/,"",ip)
+}
+/MAC Address/ {
+    match($0, /\((.*)\)/, m)
+    if (ip != "") print ip " - " m[1]
+}'
+</code>
+En una línea
+  nmap -sn 192.168.1.0/24 | awk '/Nmap scan report/{ip=$NF; gsub(/[()]/,"",ip)} /MAC Address/{match($0,/\((.*)\)/,m); if(ip!="") print ip " - " m[1]}'
-En este caso descargo la versión 4.11
+* Listar puertos abiertos:
-. tar xvfj nmap-4.11.tar.bz2
+  nmap -sT -O localhost
-. cp -R nmap-4.11 /usr/local
+* Mirar puerto abierto UDP:
+# nmap -p <puerto> -sU -P0 <ip>
-. cd /usr/local/nmap-4.11
+Ejemplo:
+  #  nmap -p 5060 -sU -P0 10.139.56.4
-.
+  Starting Nmap 5.00 ( http://nmap.org ) at 2013-01-19 20:32 UTC
+  Interesting ports on 10.139.56.4:
+  PORT     STATE         SERVICE
+/udp open|filtered sip
+* Manual para ver conexiones rechazadas:
+http://www.linuxjournal.com/article/6447
+* Host discovery:
+  nmap -sn 192.168.1.0/24
+<code>
+Starting Nmap 6.00 ( http://nmap.org ) at 2012-09-06 05:59 EDT
+Nmap scan report for 192.168.1.1
+Host is up (0.028s latency).
+Nmap scan report for 192.168.1.199
+Host is up (0.00031s latency).
+Nmap done: 256 IP addresses (2 hosts up) scanned in 4.48 seconds
+</code>