{"id":34,"date":"2019-07-09T07:28:45","date_gmt":"2019-07-09T07:28:45","guid":{"rendered":"https:\/\/www.ssls.com\/knowledgebase\/?p=34"},"modified":"2025-07-10T11:39:19","modified_gmt":"2025-07-10T11:39:19","slug":"where-do-i-get-a-ca-bundle-file","status":"publish","type":"post","link":"https:\/\/www.ssls.com\/knowledgebase\/where-do-i-get-a-ca-bundle-file\/","title":{"rendered":"Where do I get a CA Bundle file?"},"content":{"rendered":"<p>CA Bundle file contains root and intermediate certificates. These certificates build the chain of trust for your domain certificate.<\/p>\n<p>The Bundle files differ by the validation level of your certificate and the key type in the CSR you used to activate your certificate.<\/p>\n<p>The CA Bundle file can be <a href=\"https:\/\/www.ssls.com\/knowledgebase\/Can-I-download-certificate-somewhere-on-your-site\" target=\"_self\" rel=\"noopener noreferrer\">downloaded from your SSLs.com account<\/a>. The CA Bundle file has .ca-bundle extension.<br \/>\nAlternatively, feel free to use the CA Bundle files from this article.<\/p>\n<h2>Sectigo Public Server Authentication Bundle<\/h2>\n<h3>Domain Validation Bundles<\/h3>\n<h4>RSA<\/h4>\n<p>Contains the following certificates:<\/p>\n<ul>\n<li>DV RSA TLS Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-CA-DV-R36.zip\">Sectigo Public Server Authentication CA DV R36<\/a><\/li>\n<li>RSA TLS Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-R46.zip\">Sectigo Public Server Authentication Root R46<\/a><\/li>\n<\/ul>\n<p>Depending on the case, you may also use one of the following versions of the signing certificates for your bundle instead of the RSA TLS Root:<\/p>\n<p>(Version 1)<\/p>\n<ul>\n<li>RSA TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-R46xUSERTrust.zip\">Sectigo Public Server Authentication Root R46xUSERTrust<\/a><\/li>\n<li>RSA TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/USERTrust-RSA-Certification-Authority.zip\">USERTrust RSA Certification Authority<\/a><\/li>\n<\/ul>\n<p>(Version 2)<\/p>\n<ul>\n<li>RSA TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-R46xAAA.zip\">Sectigo Public Server Authentication Root R46xAAA<\/a><\/li>\n<li>RSA TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/AAA-Certificate-Services.zip\">AAA Certificate Services<\/a><\/li>\n<\/ul>\n<h4>ECC<\/h4>\n<p>Contains the following certificates:<\/p>\n<ul>\n<li>DV ECC TLS Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-CA-DV-E36.zip\">Sectigo Public Server Authentication CA DV E36<\/a><\/li>\n<li>ECC TLS Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-E46.zip\">Sectigo Public Server Authentication Root E46<\/a><\/li>\n<\/ul>\n<p>Depending on the case, you may also use one of the following versions of the signing certificates for your bundle instead of the ECC TLS Root:<\/p>\n<p>(Version 1)<\/p>\n<ul>\n<li>ECC TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-E46xUSERTrust.zip\">Sectigo Public Server Authentication Root E46xUSERTrust<\/a><\/li>\n<li>ECC TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/USERTrust-ECC-Certification-Authority.zip\">USERTrust ECC Certification Authority<\/a><\/li>\n<\/ul>\n<p>(Version 2)<\/p>\n<ul>\n<li>ECC TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-E46xAAA.zip\">Sectigo Public Server Authentication Root E46xAAA<\/a><\/li>\n<li>ECC TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/AAA-Certificate-Services.zip\">AAA Certificate Services<\/a><\/li>\n<\/ul>\n<h3>Organization Validation Bundles<\/h3>\n<h4>RSA<\/h4>\n<p>Contains the following certificates:<\/p>\n<ul>\n<li>OV RSA TLS Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-CA-OV-R36.zip\">Sectigo Public Server Authentication CA OV R36<\/a><\/li>\n<li>RSA TLS Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-R46.zip\">Sectigo Public Server Authentication Root R46<\/a><\/li>\n<\/ul>\n<p>Depending on the case, you may also use one of the following versions of the signing certificates for your bundle instead of the RSA TLS Root:<\/p>\n<p>(Version 1)<\/p>\n<ul>\n<li>RSA TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-R46xUSERTrust.zip\">Sectigo Public Server Authentication Root R46xUSERTrust<\/a><\/li>\n<li>RSA TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/USERTrust-RSA-Certification-Authority.zip\">USERTrust RSA Certification Authority<\/a><\/li>\n<\/ul>\n<p>(Version 2)<\/p>\n<ul>\n<li>RSA TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-R46xAAA.zip\">Sectigo Public Server Authentication Root R46xAAA<\/a><\/li>\n<li>RSA TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/AAA-Certificate-Services.zip\">AAA Certificate Services<\/a><\/li>\n<\/ul>\n<h4>ECC<\/h4>\n<p>Contains the following certificates:<\/p>\n<ul>\n<li>OV ECC TLS Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-CA-OV-E36.zip\">Sectigo Public Server Authentication CA OV E36<\/a><\/li>\n<li>ECC TLS Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-E46.zip\">Sectigo Public Server Authentication Root E46<\/a><\/li>\n<\/ul>\n<p>Depending on the case, you may also use one of the following versions of the signing certificates for your bundle instead of the ECC TLS Root:<\/p>\n<p>(Version 1)<\/p>\n<ul>\n<li>ECC TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-E46xUSERTrust.zip\">Sectigo Public Server Authentication Root E46xUSERTrust<\/a><\/li>\n<li>ECC TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/USERTrust-ECC-Certification-Authority.zip\">USERTrust ECC Certification Authority<\/a><\/li>\n<\/ul>\n<p>(Version 2)<\/p>\n<ul>\n<li>ECC TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-E46xAAA.zip\">Sectigo Public Server Authentication Root E46xAAA<\/a><\/li>\n<li>ECC TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/AAA-Certificate-Services.zip\">AAA Certificate Services<\/a><\/li>\n<\/ul>\n<h3>Extended Validation Bundles<\/h3>\n<h4>RSA<\/h4>\n<p>Contains the following certificates:<\/p>\n<p>EV RSA TLS Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-CA-EV-R36.zip\">Sectigo Public Server Authentication CA EV R36<\/a><br \/>\nRSA TLS Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-R46.zip\">Sectigo Public Server Authentication Root R46<\/a><\/p>\n<p>Depending on the case, you may also use one of the following versions of the signing certificates for your bundle instead of the RSA TLS Root:<\/p>\n<p>(Version 1)<\/p>\n<p>RSA TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-R46xUSERTrust.zip\">Sectigo Public Server Authentication Root R46xUSERTrust<\/a><br \/>\nRSA TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/USERTrust-RSA-Certification-Authority.zip\">USERTrust RSA Certification Authority<\/a><\/p>\n<p>(Version 2)<\/p>\n<p>RSA TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-R46xAAA.zip\">Sectigo Public Server Authentication Root R46xAAA<\/a><br \/>\nRSA TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/AAA-Certificate-Services.zip\">AAA Certificate Services<\/a><\/p>\n<h4>ECC<\/h4>\n<p>Contains the following certificates:<\/p>\n<p>EV ECC TLS Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-CA-EV-E36.zip\">Sectigo Public Server Authentication CA EV E36<\/a><br \/>\nECC TLS Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-E46.zip\">Sectigo Public Server Authentication Root E46<\/a><\/p>\n<p>Depending on the case, you may also use one of the following versions of the signing certificates for your bundle instead of the ECC TLS Root:<\/p>\n<p>(Version 1)<\/p>\n<p>ECC TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-E46xUSERTrust.zip\">Sectigo Public Server Authentication Root E46xUSERTrust<\/a><br \/>\nECC TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/USERTrust-ECC-Certification-Authority.zip\">USERTrust ECC Certification Authority<\/a><\/p>\n<p>(Version 2)<\/p>\n<p>ECC TLS Cross-Signed Intermediate: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/Sectigo-Public-Server-Authentication-Root-E46xAAA.zip\">Sectigo Public Server Authentication Root E46xAAA<\/a><br \/>\nECC TLS Old Root: <a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2025\/07\/AAA-Certificate-Services.zip\">AAA Certificate Services<\/a><\/p>\n<h2>Sectigo Secure Server CA Bundle under SHA2 USERTrust Root (legacy)<\/h2>\n<h4>Domain Validation<\/h4>\n<p><em>Contains &#8220;Sectigo RSA Domain Validation Secure Server CA&#8221;\/&#8221;Sectigo ECC Domain Validation Secure Server CA&#8221; intermediate certificate (depending on the key encryption method), signed by &#8220;USERTrust RSA Certification Authority&#8221; SHA-2 root certificate<\/em>.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2019\/09\/SectigoRSADV_SHA2.zip\" target=\"_self\" rel=\"noopener noreferrer\">Sectigo RSA DV SHA2 Bundle under SHA2 root<\/a><\/li>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2019\/09\/SectigoECC_DVBundle.zip\" target=\"_self\" rel=\"noopener noreferrer\">Sectigo ECC DV SHA2 Bundle under SHA2 root<\/a><\/li>\n<\/ul>\n<h4>Organization Validation<\/h4>\n<p><em>Contains &#8220;Sectigo RSA Organization Validation Secure Server CA&#8221;\/&#8221;Sectigo ECC Organization Validation Secure Server CA&#8221; intermediate certificate (depending on the key encryption method), signed by &#8220;USERTrust RSA Certification Authority&#8221; SHA-2 root certificate<\/em>.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2019\/09\/SectigoRSAOV_SHA2.zip\" target=\"_self\" rel=\"noopener noreferrer\">Sectigo RSA OV SHA2 Bundle under SHA2 root<\/a><\/li>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2019\/09\/SectigoECC_OVBundle.zip\" target=\"_self\" rel=\"noopener noreferrer\">Sectigo ECC OV SHA2 Bundle under SHA2 root<\/a><\/li>\n<\/ul>\n<h4>Extended Validation<\/h4>\n<p><em>Contains &#8220;Sectigo RSA Extended Validation Secure Server CA&#8221;\/&#8221;Sectigo ECC Extended Validation Secure Server CA&#8221; intermediate certificate (depending on the key encryption method), signed by &#8220;USERTrust RSA Certification Authority&#8221; SHA-2 root certificate<\/em>.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2019\/09\/SectigoRSAEV_SHA2.zip\" target=\"_self\" rel=\"noopener noreferrer\">Sectigo RSA EV SHA2 Bundle under SHA2 root<\/a><\/li>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2019\/09\/SectigoECC_EVBundle.zip\" target=\"_self\" rel=\"noopener noreferrer\">Sectigo ECC EV SHA2 Bundle under SHA2 root<\/a><\/li>\n<\/ul>\n<h2>Sectigo Secure Server CA Bundle under AAA Certificate Services Root (legacy)<\/h2>\n<p>These Bundles may be used on some legacy systems.<\/p>\n<h4>Domain Validation<\/h4>\n<p><em>Contains &#8220;Sectigo RSA Domain Validation Secure Server CA&#8221;\/&#8221;Sectigo ECC Domain Validation Secure Server CA&#8221;, signed by &#8220;USERTrust RSA Certification Authority&#8221; (new)\/USERTrust ECC Certification Authority&#8221; (new), cross-signed by &#8220;AAA Certificate Services&#8221;.<br \/>\n<\/em><\/p>\n<ul>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/05\/RSA_DV_with-new-Root.zip\">RSA DV Bundle with new Root<\/a><\/li>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/05\/ECC_DV_with-new-Root.zip\">ECC DV Bundle with new Root<\/a><\/li>\n<\/ul>\n<h4>Organization Validation<\/h4>\n<p><em>Contains &#8220;Sectigo RSA Organization Validation Secure Server CA&#8221;\/&#8221;Sectigo ECC Organization Validation Secure Server CA&#8221;, signed by &#8220;USERTrust RSA Certification Authority&#8221; (new)\/USERTrust ECC Certification Authority&#8221; (new), cross-signed by &#8220;AAA Certificate Services&#8221;.<\/em><\/p>\n<ul>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/05\/RSA_OV_with-new-Root.zip\">RSA OV Bundle with new Root<\/a><\/li>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/05\/ECC_OV_with-new-Root.zip\">ECC OV Bundle with new Root<\/a><\/li>\n<\/ul>\n<h4>Extended Validation<\/h4>\n<p><em>Contains &#8220;Sectigo RSA Extended Validation Secure Server CA&#8221;\/&#8221;Sectigo ECC Extended Validation Secure Server CA&#8221;, signed by &#8220;USERTrust RSA Certification Authority&#8221; (new)\/USERTrust ECC Certification Authority&#8221; (new), cross-signed by &#8220;AAA Certificate Services&#8221;.<\/em><\/p>\n<ul>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/05\/RSA_EV_with-new-Root.zip\">RSA EV Bundle with new Root<\/a><\/li>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/05\/ECC_EV_with-new-Root.zip\">ECC EV Bundle with new Root<\/a><\/li>\n<\/ul>\n<h2>Comodo SHA2 Bundle under SHA2 Root (legacy)<\/h2>\n<p>These might still be needed for some systems if &#8216;Comodo&#8217; Bundle is required particularly.<\/p>\n<h4>Domain Validation<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/05\/COMODO_DV_SHA-2_under_SHA-2root.zip\">COMODO RSA DV SSL bundle<\/a><\/li>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/06\/COMODO_ECC_DV.zip\">COMODO ECC DV SSL bundle<\/a><\/li>\n<\/ul>\n<h4>Organization Validation<\/h4>\n<ul>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/05\/COMODO_OV_SHA-2_under_SHA-2root.zip\">COMODO RSA OV SSL bundle<\/a><\/li>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/06\/COMODO_ECC_OV.zip\">COMODO ECC OV SSL bundle<\/a><\/li>\n<\/ul>\n<h3>Extended Validation<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/05\/COMODO_EV_SHA-2_under_SHA-2root.zip\">COMODO RSA EV SSL bundle<\/a><\/li>\n<li><a href=\"https:\/\/www.ssls.com\/knowledgebase\/wp-content\/uploads\/2020\/06\/COMODO_ECC_EV.zip\">COMODO ECC EV SSL bundle<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>CA Bundle file contains root and intermediate certificates. These certificates build the chain of trust for your domain certificate. The Bundle files differ by the validation level of your certificate and the key type in the CSR you used to activate your certificate. The CA Bundle file can be downloaded from your SSLs.com account. The ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/www.ssls.com\/knowledgebase\/where-do-i-get-a-ca-bundle-file\/\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,5],"tags":[],"class_list":["post-34","post","type-post","status-publish","format-standard","hentry","category-general-questions","category-ssl-installation-instructions"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Where do I get a CA Bundle file? \u2013 HelpDesk | SSLs.com<\/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:\/\/www.ssls.com\/knowledgebase\/where-do-i-get-a-ca-bundle-file\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Where do I get a CA Bundle file? \u2013 HelpDesk | SSLs.com\" \/>\n<meta property=\"og:description\" content=\"CA Bundle file contains root and intermediate certificates. These certificates build the chain of trust for your domain certificate. The Bundle files differ by the validation level of your certificate and the key type in the CSR you used to activate your certificate. The CA Bundle file can be downloaded from your SSLs.com account. 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