{"id":47310,"date":"2024-08-22T07:15:46","date_gmt":"2024-08-22T05:15:46","guid":{"rendered":"https:\/\/www.techopedia.com\/es\/?post_type=definition&#038;p=47310"},"modified":"2024-08-22T12:33:41","modified_gmt":"2024-08-22T10:33:41","slug":"puerto-80","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/es\/definicion\/puerto-80","title":{"rendered":"Puerto 80"},"content":{"rendered":"<h2><span id=\"que_significa_el_puerto_80\">\u00bfQu\u00e9 significa el puerto 80?<\/span><\/h2>\n<p>El puerto 80 es el n\u00famero de puerto asignado al <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/protocolo\">protocolo<\/a> de comunicaci\u00f3n de <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/internet\">Internet<\/a> m\u00e1s utilizado, el Protocolo de Transferencia de Hipertexto (HTTP). <strong>Es el puerto de red por defecto utilizado para enviar y recibir p\u00e1ginas web sin cifrar.<\/strong><\/p>\n<p>Cuando un cliente intenta conectarse a un servidor y hacer una petici\u00f3n, necesita conocer tanto la direcci\u00f3n IP del servidor como el servicio de red que se utilizar\u00e1 para transferir los datos.<\/p>\n<p>Para que sea m\u00e1s c\u00f3modo para los programadores,<strong> a los servicios de red m\u00e1s populares se les asignan por defecto n\u00fameros de puerto \u00abbien conocidos\u00bb.<\/strong><\/p>\n<p>Esta estrategia comenz\u00f3 en 1991, cuando la especificaci\u00f3n original de Tim Berners-Lee para HTTP establec\u00eda que si no hab\u00eda ning\u00fan puerto asignado a una conexi\u00f3n HTTP, deb\u00eda utilizarse el puerto 80.<\/p>\n<p>Hoy en d\u00eda, la mayor\u00eda de los <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/sitio-web\">sitios web<\/a> utilizan HTTPS, una versi\u00f3n m\u00e1s segura del protocolo HTTP que utiliza el puerto 443. El puerto 443 permite la transmisi\u00f3n de datos a trav\u00e9s de una red cifrada, mientras que el puerto 80 permite la transmisi\u00f3n de datos en texto plano.<\/p>\n<table>\n<thead>\n<tr>\n<th>Algunos de los N\u00fameros de Puerto Conocidos<\/th>\n<th>Protocolo de Internet<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>80<\/td>\n<td>HTTP (Protocolo de Transferencia de Hipertexto)<\/td>\n<\/tr>\n<tr>\n<td>443<\/td>\n<td>HTTPS (Protocolo Seguro de Transferencia de Hipertexto)<\/td>\n<\/tr>\n<tr>\n<td>530<\/td>\n<td>RPC (Llamada a Procedimiento Remoto)<\/td>\n<\/tr>\n<tr>\n<td>21<\/td>\n<td>FTP (Protocolo de Transferencia de Archivos)<\/td>\n<\/tr>\n<tr>\n<td>23<\/td>\n<td>Telnet<\/td>\n<\/tr>\n<tr>\n<td>53<\/td>\n<td>DNS (Sistema de Nombres de Dominio)<\/td>\n<\/tr>\n<tr>\n<td>22<\/td>\n<td>SSH (Shell Seguro)<\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>SMTP (Protocolo Simple de Transferencia de Correo)<\/td>\n<\/tr>\n<tr>\n<td>194<\/td>\n<td>IRC (Protocolo de Chat en Internet)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span id=\"definicion_de_puerto_80\">Definici\u00f3n de puerto 80<\/span><\/h2>\n<h3><span id=\"el_puerto_80_y_la_ciberseguridad\">El puerto 80 y la ciberseguridad<\/span><\/h3>\n<p>Aunque algunos expertos en <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/ciberseguridad\">ciberseguridad<\/a> sugieren que <strong>cerrar el puerto 80 puede ayudar a la protecci\u00f3n del sistema, otros creen que el puerto 80 debe mantenerse abierto.<\/strong> Los defensores de habilitar este puerto se\u00f1alan que es \u00fatil para redirigir el tr\u00e1fico de HTTP a HTTPS.<\/p>\n<p>Tambi\u00e9n pueden pedir al planificador en cuesti\u00f3n que \u00abpiense en el navegador del otro extremo\u00bb, en el sentido de que el sistema de la contraparte puede no estar configurado para una calibraci\u00f3n del puerto 80 cerrado.<\/p>\n<p>Adem\u00e1s, en t\u00e9rminos de ciberseguridad,<strong> los expertos pueden se\u00f1alar que cerrar el puerto 80 no impedir\u00e1 que se produzcan ataques<\/strong> man in the middle, ni evitar\u00e1 la inyecci\u00f3n SQL y otros tipos de ataques que se basan en infiltrarse en un sistema a trav\u00e9s de una conexi\u00f3n a Internet.<\/p>\n<h3><span id=\"problemas_de_conexion_del_puerto_80\">Problemas de conexi\u00f3n del puerto 80<\/span><\/h3>\n<p>En algunos casos, <strong>un ISP puede bloquear el puerto 80<\/strong>, dificultando el acceso a Internet desde un equipo. Otro problema com\u00fan es un error que declara que el puerto 80 ya est\u00e1 en uso.<\/p>\n<p>En cierto modo, estos dos problemas se han aliviado en gran medida con el auge de los servicios en la nube. En la medida en que varias aplicaciones funcionan a trav\u00e9s de un navegador de Internet, todas pueden utilizar el mismo puerto a la vez.<\/p>\n<p>Por ejemplo, Skype fue uno de los anteriores culpables de quitar el puerto 80 a otras aplicaciones. Utilizar Skype a trav\u00e9s de un navegador elimina ese tipo de problemas.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 significa el puerto 80? El puerto 80 es el n\u00famero de puerto asignado al protocolo de comunicaci\u00f3n de Internet m\u00e1s utilizado, el Protocolo de Transferencia de Hipertexto (HTTP). Es el puerto de red por defecto utilizado para enviar y recibir p\u00e1ginas web sin cifrar. Cuando un cliente intenta conectarse a un servidor y hacer [&hellip;]<\/p>\n","protected":false},"author":7813,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"definitioncat":[63],"class_list":["post-47310","definition","type-definition","status-publish","format-standard","hentry","definitioncat-networking"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfPara qu\u00e9 sirve el puerto 80? 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