{"id":60,"date":"2026-09-24T11:18:55","date_gmt":"2026-09-24T11:18:55","guid":{"rendered":"https:\/\/danielsh.es\/index.php\/2026\/09\/24\/chuleta-comandos-red-linux-ip-ss-tcpdump\/"},"modified":"2026-09-24T11:18:55","modified_gmt":"2026-09-24T11:18:55","slug":"chuleta-comandos-red-linux-ip-ss-tcpdump","status":"publish","type":"post","link":"https:\/\/danielsh.es\/index.php\/2026\/09\/24\/chuleta-comandos-red-linux-ip-ss-tcpdump\/","title":{"rendered":"Chuleta de Comandos Esenciales de Red en Linux (ip, ss, dig, tcpdump)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" style=\"font-size:1.15rem;line-height:1.7\">En las distribuciones modernas de Linux, el paquete tradicional <code>net-tools<\/code> (<code>ifconfig<\/code>, <code>netstat<\/code>, <code>route<\/code>) ha sido sustituido por <strong>iproute2<\/strong> y herramientas modernas de diagn\u00f3stico.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Gesti\u00f3n de Interfaces e IPs con &#8216;ip&#8217;<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code># Listar todas las interfaces y sus IPs con formato legible\nip -br a\n\n# Ver la tabla de enrutamiento del kernel\nip route show\n\n# A\u00f1adir una IP temporal a una interfaz\nsudo ip addr add 192.168.10.50\/24 dev eth0<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">2. Diagn\u00f3stico de Sockets y Puertos con &#8216;ss&#8217;<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code># Ver todos los puertos TCP y UDP a la escucha con el proceso asociado\nsudo ss -tulpn\n\n# Filtrar sockets que est\u00e9n escuchando en el puerto 80 o 443\nsudo ss -tlpn 'sport = :http or sport = :https'<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">3. Captura de Tr\u00e1fico con &#8216;tcpdump&#8217;<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code># Capturar tr\u00e1fico en la interfaz eth0 filtrando por puerto DNS (53)\nsudo tcpdump -i eth0 -n port 53\n\n# Capturar paquetes entre un host espec\u00edfico y guardarlos en fichero pcap\nsudo tcpdump -i eth0 host 10.10.10.1 -w captura_red.pcap<\/code><\/pre>\n\n","protected":false},"excerpt":{"rendered":"<p>En las distribuciones modernas de Linux, el paquete tradicional net-tools (ifconfig, netstat, route) ha sido sustituido por iproute2 y herramientas modernas de diagn\u00f3stico. 1. Gesti\u00f3n de Interfaces e IPs con &#8216;ip&#8217; 2. Diagn\u00f3stico de Sockets y Puertos con &#8216;ss&#8217; 3. Captura de Tr\u00e1fico con &#8216;tcpdump&#8217;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,4,3],"tags":[],"class_list":["post-60","post","type-post","status-publish","format-standard","hentry","category-apuntes-asir","category-linux-sysadmin","category-redes-conectividad"],"_links":{"self":[{"href":"https:\/\/danielsh.es\/index.php\/wp-json\/wp\/v2\/posts\/60","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/danielsh.es\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/danielsh.es\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/danielsh.es\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/danielsh.es\/index.php\/wp-json\/wp\/v2\/comments?post=60"}],"version-history":[{"count":0,"href":"https:\/\/danielsh.es\/index.php\/wp-json\/wp\/v2\/posts\/60\/revisions"}],"wp:attachment":[{"href":"https:\/\/danielsh.es\/index.php\/wp-json\/wp\/v2\/media?parent=60"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/danielsh.es\/index.php\/wp-json\/wp\/v2\/categories?post=60"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/danielsh.es\/index.php\/wp-json\/wp\/v2\/tags?post=60"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}