{"id":7843,"date":"2015-10-16T08:28:17","date_gmt":"2015-10-16T08:28:17","guid":{"rendered":"http:\/\/www.freefixer.com\/b\/?p=7843"},"modified":"2018-05-29T11:55:42","modified_gmt":"2018-05-29T11:55:42","slug":"ocsp-comodoca4-com-is-comodos-oscp-server","status":"publish","type":"post","link":"https:\/\/www.freefixer.com\/b\/ocsp-comodoca4-com-is-comodos-oscp-server\/","title":{"rendered":"Ocsp.Comodoca4.com is Comodo&#8217;s OSCP Server"},"content":{"rendered":"<p>Did you just notice <strong>ocsp.comodoca4.com<\/strong> in Firefox&#8217;, Chrome&#8217;s, Internet Explorer&#8217;s or Safari&#8217;s\u00a0status bar or in the network log and wonder where it came from?<\/p>\n<p><a href=\"http:\/\/www.freefixer.com\/b\/wp-content\/uploads\/2015\/10\/ocsp.comodoca4.com-.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-7844\" src=\"http:\/\/www.freefixer.com\/b\/wp-content\/uploads\/2015\/10\/ocsp.comodoca4.com-.png\" alt=\"ocsp.comodoca4.com\" width=\"670\" height=\"348\" srcset=\"https:\/\/www.freefixer.com\/b\/wp-content\/uploads\/2015\/10\/ocsp.comodoca4.com-.png 670w, https:\/\/www.freefixer.com\/b\/wp-content\/uploads\/2015\/10\/ocsp.comodoca4.com--300x156.png 300w\" sizes=\"(max-width: 670px) 100vw, 670px\" \/><\/a><\/p>\n<p>You will see a connection to\u00a0<strong>ocsp.comodoca4.com<\/strong> when the browser is using the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Online_Certificate_Status_Protocol\"><b>Online Certificate Status Protocol<\/b>\u00a0(<b>OCSP<\/b>)<\/a>\u00a0to\u00a0obtaining the revocation status for a COMODO certificate.<\/p>\n<p>This is standard procedure and is nothing to worry about, with one exception that I ran into:<\/p>\n<p>I noticed the connection to <strong>ocsp.comodoca4.com<\/strong>\u00a0on one of my lab machines where I play around with some unwanted software. I noticed the connection to\u00a0<strong>ocsp.comodoca4.com\u00a0<\/strong>while doing a search at Google.com. Under normal circumstances, a visit to Google should not trigger a connection\u00a0<strong>ocsp.comodoca4.com.<\/strong>\u00a0Google&#8217;s certificate points\u00a0the\u00a0<a href=\"http:\/\/www.freefixer.com\/b\/clients1-google-com-ocsp-digital-certificate-revocation-status-check\/\">clients1.google.com<\/a>\u00a0OCSP server.<\/p>\n<p>The lab machine had the\u00a0<a href=\"http:\/\/www.freefixer.com\/b\/remove-ads-by-saleplus-and-ad-by-saleplus\/\">SalePlus<\/a>, <a href=\"http:\/\/www.freefixer.com\/b\/remove-youtubeadblocke\/\">YouTubeAdBlocke<\/a>\u00a0and\u00a0IStart 5.3.7 software running. Most likely, one of these inserted some HTML code into Google&#8217;s page that triggered the OCSP connection. After removing these three potentially unwanted programs, the connections to\u00a0<strong>ocsp.comodoca4.com<\/strong><strong>\u00a0<\/strong>no longer appeared when searching at the Google search engine.<\/p>\n<p>What site did you visit when you noticed the connection to\u00a0ocsp.comodoca4.com? Did you also see it while visiting Google? If so, what potentially unwanted software did you find on your machine?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Did you just notice ocsp.comodoca4.com in Firefox&#8217;, Chrome&#8217;s, Internet Explorer&#8217;s or Safari&#8217;s\u00a0status bar or in the network log and wonder where it came from? You will see a connection to\u00a0ocsp.comodoca4.com when the browser is using the\u00a0Online Certificate Status Protocol\u00a0(OCSP)\u00a0to\u00a0obtaining the revocation status for a COMODO certificate. This is standard procedure and is nothing to worry &hellip; <a href=\"https:\/\/www.freefixer.com\/b\/ocsp-comodoca4-com-is-comodos-oscp-server\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Ocsp.Comodoca4.com is Comodo&#8217;s OSCP Server<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.freefixer.com\/b\/wp-json\/wp\/v2\/posts\/7843"}],"collection":[{"href":"https:\/\/www.freefixer.com\/b\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.freefixer.com\/b\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.freefixer.com\/b\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.freefixer.com\/b\/wp-json\/wp\/v2\/comments?post=7843"}],"version-history":[{"count":1,"href":"https:\/\/www.freefixer.com\/b\/wp-json\/wp\/v2\/posts\/7843\/revisions"}],"predecessor-version":[{"id":7845,"href":"https:\/\/www.freefixer.com\/b\/wp-json\/wp\/v2\/posts\/7843\/revisions\/7845"}],"wp:attachment":[{"href":"https:\/\/www.freefixer.com\/b\/wp-json\/wp\/v2\/media?parent=7843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.freefixer.com\/b\/wp-json\/wp\/v2\/categories?post=7843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.freefixer.com\/b\/wp-json\/wp\/v2\/tags?post=7843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}