{"version":"1.0","provider_name":"Alex Rusin Blog","provider_url":"https:\/\/blog.alexrusin.com","title":"Block IP Addresses in .htaccess behind Load Balancer | Alex Rusin Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"DNQTRb7Kwi\"><a href=\"https:\/\/blog.alexrusin.com\/block-ip-addresses-in-htaccess-behind-load-balancer\/\">Block IP Addresses in .htaccess behind Load Balancer<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blog.alexrusin.com\/block-ip-addresses-in-htaccess-behind-load-balancer\/embed\/#?secret=DNQTRb7Kwi\" width=\"600\" height=\"338\" title=\"&#8220;Block IP Addresses in .htaccess behind Load Balancer&#8221; &#8212; Alex Rusin Blog\" data-secret=\"DNQTRb7Kwi\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","description":"Sometimes you need to block access from certain IP addresses to your web site. It is easy to do in .htaccess file if you are running Apache. What if your server is behind a load balancer ? The code below lets you block IP addresses when your server is behind AWS load balancer."}