{"id":300,"date":"2024-07-07T18:40:46","date_gmt":"2024-07-07T18:40:46","guid":{"rendered":"https:\/\/eipnet.net\/?p=300"},"modified":"2025-03-31T17:14:03","modified_gmt":"2025-03-31T17:14:03","slug":"ufw-rules","status":"publish","type":"post","link":"https:\/\/eipnet.net\/index.php\/2024\/07\/07\/ufw-rules\/","title":{"rendered":"ufw rules"},"content":{"rendered":"\n<p>Cuando instalo una distro o cuando pongo una distro lo primero que hago es buscar ufw y ponerle estas reglas que previamente tengo en un script dentro de un pendrive. <\/p>\n\n\n\n<p>Requiere ufw instalado.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Script 1<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo ufw enable\nsudo ufw deny default \"deniego la entrada\"\nsudo ufw deny default routed \"deniego el tr\u00e1nsito\"\nsudo ufw deny default outgoing comment \"deniego la salida\"\nsudo ufw deny 1:65534\/tcp comment \"cierro mis puertos TCP\"\nsudo ufw deny 1:65534\/udp comment \"cierro mis puertos UDP\"<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Script 2<\/h2>\n\n\n\n<p>Este script es algo m\u00e1s elaborado. Las l\u00edneas que est\u00e1n comentadas es porque pueden darnos problemas<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash\n# Ubuntu Live Minimal Protection\n# 2023.12.02 H\n# sudo ufw status numbered\n# \n# Sometimes it is desirable to let the sender know when traffic is being denied, \n# rather  than simply ignoring it. In these cases, use reject\nrule=deny\n#rule=reject\nsudo ufw enable\n#DEFAULT\nsudo ufw deny default\nsudo ufw default deny\nsudo ufw default deny forward\nsudo ufw default deny routed\nsudo ufw deny from 10.0.0.0\/8\nsudo ufw deny from 172.16.0.0\/12\nsudo ufw deny from 192.168.0.0\/16\n\n# IN\n# CERRANDOLO TODO\nsudo ufw deny in 1:52,54:79,81:442,444:65535\/tcp\nsudo ufw deny in 1:52,54:79,81:442,444:65535\/udp\n# Y por si da problemas pongo indivduales.\nsudo ufw deny CUPS\nsudo ufw deny 21\nsudo ufw deny 53\nsudo ufw deny 80\n# En rangos de puertos especificar \/tcp o \/udp (MUST)\nsudo ufw deny 137:139\/tcp\nsudo ufw deny 137:139\/udp\nsudo ufw deny 443\n\n# OUT\nsudo ufw deny out 444:65535\/tcp\nsudo ufw deny out 444:65535\/udp\nsudo ufw deny out CUPS\nsudo ufw deny out 21\nsudo ufw deny out 137:139\/tcp\nsudo ufw deny out 137:139\/udp\nsudo ufw reload\n# O\n# Estos bloquean mi comunicaci\u00f3n\n#sudo ufw deny in 1:65535\/tcp  \n\n#sudo ufw deny out 1:65535\/tcp\n#sudo ufw deny out 1:65535\/udp\n#sudo ufw deny out 53\n#sudo ufw deny out 80\n#sudo ufw deny out 443<\/code><\/pre>\n\n\n\n<p>NOT FINISHED<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cuando instalo una distro o cuando pongo una distro lo primero que hago es buscar ufw y ponerle estas reglas que previamente tengo en un script dentro de un pendrive. Requiere ufw instalado. Script 1 Script 2 Este script es algo m\u00e1s elaborado. Las l\u00edneas que est\u00e1n comentadas es porque pueden darnos problemas NOT FINISHED<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25,44],"tags":[39,113,40,114,112],"class_list":["post-300","post","type-post","status-publish","format-standard","hentry","category-linux-admin","category-seguridad","tag-sh","tag-firewall","tag-linux","tag-reglas","tag-ufw"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ufw rules - Tentenpie digital<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eipnet.net\/index.php\/2024\/07\/07\/ufw-rules\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ufw rules - Tentenpie digital\" \/>\n<meta property=\"og:description\" content=\"Cuando instalo una distro o cuando pongo una distro lo primero que hago es buscar ufw y ponerle estas reglas que previamente tengo en un script dentro de un pendrive. 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