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1. DOMAIN VALIDATED CERTIFICATES (DV) * A - Email Challenge-Response DCV * B - HTTP Based DCV * C - DNS CNAME Based DCV Following completion of one of the elements above the certificate will be signed and released Additional details can be found using the following URL: Methods of Domain Control Verification [https://support.comodo.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=1367&nav=0,96,1,33] Note that ALL SSL Certificates MUST undergo the above DCV process in addition ...
Our technical support staff are available 24 x 7 (barring any unforseen circumstances) for online chat. PLEASE NOTE: WE DO NOT PROVIDE ONLINE CHAT FOR ANY OF THE FREE SECURITY SOLUTIONS PRODUCTS. ANYONE REQUESTING SUPPORT FOR FREE PRODUCTS SHOULD SUBMIT A TICKET FROM HTTP://SUPPORT.COMODO.COM [HTTP://SUPPORT.COMODO.COM] AND SELECT "SUBMIT A TICKET" LINK. COMODO CERTIFICATE AUTHORITY COMODO SECURITY SOLUTIONS We provide online chat for technical issues on our range of SSL products. To ch...
SHA-2 SHA-1 (Legacy) Product Certification Path (Hierarchy) Certification Path (Hierarchy) EV [ inc. EV SGC & Multi-Domain ] * UserTrust / AddTrust External Root * COMODO RSA Certification Authority * COMODO RSA Extended Validation Secure Server CA * END-ENTITY/DOMAIN CERTIFICATE Download Files [https://support.comodo.com/index.php?/Default/Knowledgebase/Article/View/977/108/extended-validation-sha-2] * UserTrust / AddTrust External Root * COMODO Certifica...
All Comodo certificates MUST pass through DCV (Domain Control Validation) before they are issued. DCV is a mechanism used to prove ownership or control of a registered domain name. There are 3 mechanisms for DCV: * eMail-based DCV (Traditional) You will be sent an email to an administrative contact for your domain. The email will contain a unique validation code and link. Clicking the link and entering the code will prove domain control. Valid email addresses are: Any email address whi...
Secure certificates of any type currently CANNOT be issued to individuals or business entities in the following countries websites or the following country-code-top-level domains (TLDs): Restricted Countries Listing: The following countries are restricted by US Export restriction laws, therefore Comodo.com cannot issue ssl certificates for registrants in the following countries AF Afghanistan CU Cuba ER Eritrea GN Guinea IQ Iraq IR Iran, Islamic Republic of KP Korea, Democratic...
CODE SIGNING CERTIFICATES If you have come across malware signed with a Comodo issued Code Signing certificate please send as much detail as possible to: signedmalwarealert@comodo.com Helpful details include: * link to the signed malware * screenshots of the certificate details showing the signer organization or certificate serial number or other details which will help us identify the certificate * a copy of the actual certificate if possible SSL/TLS CERTIFICATES If you need to...
SSL CERTIFICATE COUNTRY CODES FIND YOUR COUNTRY CODE FROM THE LIST PROVIDED BELOW COUNTRY CODES ARE REQUIRED WHEN CREATING A CERTIFICATE SIGNING REQUEST. THE SSL CERTIFICATE COUNTRY CODES THAT YOU NEED TO ENTER WHEN CREATING YOUR CSR ARE AS FOLLOWS: * US United States of America * CA Canada * AX Åland Islands * AD Andorra * AE United Arab Emirates * AF Afghanistan * AG Antigua and Barbuda * AI Anguilla * AL Albania * AM Armenia * AN Netherlands Antilles * AO Angola ...
SSL BROWSER COMPATIBILITY * Comodo's extensive rootkey portfolio is trusted by over 99.9% of all browsers and mobile devices. * 99.9% of Internet users inherently trust Comodo Certificates - equivalent or better than VeriSign, GeoTrust or Godaddy. Scroll down to see the full list of browsers and mobile operating systems that support our roots. * Key Size: All Comodo root and intermediate certificates are signed with 2048 keys, guaranteeing your website enjoys the highest level of SSL p...
Comodo websites and ordering systems will no longer accept connections from servers and clients which do not have TLS 1.1 or higher enabled.  WHAT'S GOING ON? PCI standards require that TLS 1.0 can no longer be used for secure communications. All web servers and clients must transition to TLS 1.1 or above. The PCI DSS standards can be read in full here: https://www.pcisecuritystandards.org/document_library [https://www.pcisecuritystandards.org/document_library] Comodo will disable TLS 1.0 ...
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