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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...
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...
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...
EXECUTIVE SUMMARY The use of the signing algorithm has been deprecated in favor of the newer and more secure SHA-2 algorithm. Google's announcement on Sept 5th 2014 accelerated the timeline for browser checking of SHA-1 in web server SSL certificates so that Chrome will display security notices where SHA-1 is encountered. This will incur negative user experience effects for website visitors where the SSL certificate is using SHA-1. As of 8 September 2015, Comodo will issue SHA-2 certificat...
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 CI Cote d'Ivoire CU Cuba ER Eritrea GN Guinea IQ Iraq IR Iran, Islamic Republic of K...
In July 2012, the CA/Browser Forum, the industry standards board for Certificate Authorities and the browsers that use Certificates, made a decision to deprecate the usage of reserved IP addresses and internal names for certificates, effective November 1st 2015. All such certificates still outstanding must be revoked by October 31, 2016. _COMODO WILL NOT ISSUE A CERTIFICATE WITH AN EXPIRY DATE LATER THAN 1 NOVEMBER 2015 WITH A SUBJECTALTERNATIVENAME (SAN) EXTENSION OR SUBJECT COMMONNAME (CN) F...
SHA-2 COMPATIBILITY Please see below for minimum versions required for SHA-2 as well as some listed exceptions. SOFTWARE AND HARDWARE THAT SUPPORT SHA-2 BROWSER & SERVER SUPPORT BROWSER MINIMUM BROWSER VERSION Chrome 26+ Firefox 1.5+ Internet Explorer 6+ (With XP SP3+) Konqueror 3.5.6+ Mozilla 1.4+ Netscape 7.1+ Opera 9.0+ Safari 3+ (Ships with OS X 10.5) Server Minimum Server Version 4D Server 14.01+ Amazon Web...
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 Ă…land Islands * AD Andorra * AE United Arab Emirates * AF Afghanistan * AG Antigua and Barbuda * AI Anguilla * AL Albania * AM Armenia * AN Netherlands Antilles * AO Angola ...
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