{"version":"1.0","provider_name":"WebHi Tutorials &amp; Documentations","provider_url":"https:\/\/www.webhi.com\/how-to","title":"Firewall UFW : A beginner's Guide - WebHi Tutorials &amp; Documentations","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"fNqO2JTiH0\"><a href=\"https:\/\/www.webhi.com\/how-to\/firewall-ufw-a-beginners-guide-tutorial\/\">Firewall UFW : A beginner&#8217;s Guide<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.webhi.com\/how-to\/firewall-ufw-a-beginners-guide-tutorial\/embed\/#?secret=fNqO2JTiH0\" width=\"600\" height=\"338\" title=\"&#8220;Firewall UFW : A beginner&#8217;s Guide&#8221; &#8212; WebHi Tutorials &amp; Documentations\" data-secret=\"fNqO2JTiH0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/*! This file is auto-generated *\/\n!function(c,d){\"use strict\";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(\/[^a-zA-Z0-9]\/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),n=d.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),o=new RegExp(\"^https?:$\",\"i\"),l=0;l<n.length;l++)n[l].style.display=\"none\";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute(\"style\"),\"height\"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if(\"link\"===t.message)if(s=d.createElement(\"a\"),a=d.createElement(\"a\"),s.href=r.getAttribute(\"src\"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener(\"message\",c.wp.receiveEmbedMessage,!1),d.addEventListener(\"DOMContentLoaded\",t,!1),c.addEventListener(\"load\",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf(\"MSIE 10\"),a=!!navigator.userAgent.match(\/Trident.*rv:11\\.\/),i=d.querySelectorAll(\"iframe.wp-embedded-content\"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute(\"data-secret\")))r=Math.random().toString(36).substr(2,10),t.src+=\"#?secret=\"+r,t.setAttribute(\"data-secret\",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute(\"security\"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:\"ready\",secret:r},\"*\")}}}}(window,document);\n<\/script>\n","description":"In this beginner's guide, learn about UFW firewall and how to manage your Linux firewall with Uncomplicated Firewall. Discover basic syntax, enabling and disabling UFW, default policies, allowing and denying traffic, and more. Start securing your system today!","thumbnail_url":"https:\/\/www.webhi.com\/how-to\/gilrogre\/2023\/03\/ufw_ubuntu_en-1.jpg"}