SSL Certificates
Ordering & Validation
Adding a wildcard into a multidomain SSL order
Question How to add wildcard into a multidomain product? Answer It is possible to add a wildcard ...
Changes in Domain Control Validation Procedure
On the 15th of November 2021, the DCV (Domain Control Validation) procedure will be adjusted to m...
How to order a SSL Certificate
This section will describe how to order a SSL Certificate in the SSL Panel. In case you are inter...
How to validate a SSL order
Question How to validate a SSL order once the request has been made? Answer In order for Sectigo ...
Making changes after the SSL has been issued (reissue)
Question: The SSL has been issued, but I want to make changes. Is that possible? Answer: There ca...
Making changes during the validation process
Question My order is stuck due to invalid or outdated details. Can I make changes? Answer In case...
Transitioning SSL Validation from WHOIS to DNS
Recent vulnerabilities in the domain name WHOIS system have highlighted the WHOIS-based domain-va...
SSL renewal and Multiyear Certificates
Automatic reissue initiated for my (Subscription) SSL Certificate
In August 2020, the major browsers decided to stop supporting SSL certificates with an expiration...
Automatic Renewal for SSL Certificates
Question Is it possible for certificates to be renewed automatically before their expiration date...
How to renew an expired SSL certificate?
Question How to renew an expired SSL certificate? Answer That is not possible. You should request...
Multiyear SSL Certificates / Subscription SSL Certificates
Question: Can I order multi year SSL Certificates? How does this work technically? Answer: Starti...
FAQ - Ordering and Validation
Can an OV/EV certificate be ordered by a private entrepreneur?
Question Can an OV/EV certificate be ordered by a private entrepreneur? Answer Yes, that is possi...
Is "www" automatically included in my SSL order?
Question Would the certificate for "www.example.com" protect "example.com" (and vice versa)? Woul...
Order been flagged for a brand validation, what does that mean?
Question My order has been flagged for a brand validation, what does that mean, what should I do?...
The domain in the CSR is restricted
Question While requesting a certificate with domain *.no-ip.org in CSR, SSL Panel returns an erro...
What do the warranties for SSL certificates mean? What is covered by them?
Question What do the warranties for SSL certificates mean? What is covered by them? Answer SSL ce...
What does "TBD" SSL mean?
Question I've noticed one or more certificates with domain: "TBD" in RCP. What does that mean? An...
Why I can't re-request confirmation email or change validation method for my DV certificate?
Question Why I can't re-request confirmation email or change validation method for my DV certific...
Why file is uploaded but file validation is not finished yet?
Question We have uploaded the .txt file to our server 2 hours ago, but HTTP(s) Validation is not ...
Why is my SSL Certificate only valid for 1 year when I ordered it for 2 years ?
This article provides the explanation about the 1 year validity of the SSL Certificate and curren...
Why is my SSL not issued yet ?
This article explains the factors that may be the reason that the SSL is not issued yet. The SSL ...
SSL order issued + Installation
Can not open Wildcard certificate / folder looks empty
Question A wildcard certificate is issued, but I receive an error when unpacking the certificate ...
Certificate is not trusted after installation
Symptoms After installing certificate you check the website and are presented with an SSL error: ...
How to generate Public Key (PFX)
If your server/device requires a different certificate format other than Base64 encoded X.509, a ...
Installing a Wildcard SSL Certificate on Multiple Servers
Question Is it possible to install a Wildcard (.*) SSL Certificate on Multiple servers? Answer Ye...
List of Root and Intermediate certificates
Question Where to find the root and intermediate certificates for Comodo (Sectigo) certificates? ...
Making SSL work on a legacy devices
Question: SSL Certificate is not recognized as valid on legacy devices (Android 4X, Old IOS). How...
My domain certificate is untrusted after the May 30th
Question: After the 30th of May 2020, my website certificate becomes untrusted. Why and how to fi...
Recent change Root Certificate from Sectigo CA (June 2025)
This documentation is to inform about a recent change made by our SSL certificate supplier Sectig...
SSL Installation on Apache 2.4.9
Question: My SSL Certificate is already active. How do I install it? Answer: 1. Connect to your h...
SSL Installation on MS IIS (Windows-powered systems)
Question: How do I install SSL for Windows-powered hosts? Answer: Please refer to Microsoft IIS v...
SSL Legacy devices support
Question Is Comodo / Sectigo compatible with legacy devices like Android 4.x? Answer It depends o...
Setting up OCSP for Apache server
Question How do I set up an OCSP for server based on Apache? Answer Enable OCSP Stapling on Apach...
Setting up OCSP for MS Windows Server
Question How do I set up an OCSP for server based on Microsoft Windows Server? Answer Enable OCSP...
Setting up OCSP for NGINX server
Question How do I set up an OCSP for server-based on NGINX? Answer How to enable OCSP Stapling on...
Troubleshooting SSL installation
Sometimes it can happen that you encounter errors when installing or using your certificate. This...
What are HSTS and the HSTS preload list?
The HSTS (HTTP Strict Transport Security) protocol is a policy / mechanism that forces a web conn...
What is OCSP?
Question What is OCSP? What is the purpose of using it?聽 Answer OCSP - Online Certificate Status ...
馃嚜馃嚫 Lista de Certificados Ra铆z y Certificados Intermedios
Cuando se instala un certificado SSL, tambi茅n se necesita聽un certificado ra铆z y un certificado in...
FAQ - General questions
Deprecation of client authentication EKU from Sectigo SSL/TLS certificates
Sectigo recommends against using publicly trusted certificates for Client Authentication purposes...
My SSL suddenly become revoked
Question My SSL certificate was revoked unexpectedly. Why did this happen? Answer The private key...
What to do when my Private key and Certificate do not match
Symptoms During certificate installation, you are presented with a warning that the private key a...
What will happen to the existing certificate if a reissue or renewal is requested?
Question What will happen to the existing certificate if a reissue or a renewal is requested? Wil...
Where to find the Private Key of my SSL certificate?
Question Where to find the private key of my SSL certificate? What to do if I lost the private ke...
馃嚜馃嚫 FAQ sobre Certificados SSL
A menudo vamos a solicitar un certificado y nos encontramos con un error que no entendemos, con q...
General information
Different types of SSL Certificates (DV / OV / EV explained)
Question: What types of SSL Certificates exist? There are several types of SSL certificates avail...
FAQ sobre Certificados SSL
A menudo vamos a solicitar un certificado y nos encontramos con un error que no entendemos, con q...
Generating a CSR for an S/MIME Personal certificate using OpenSSL
Openprovider鈥檚 SSL panel currently does not support generating a CSR for S/MIME Personal Certific...
How SSL products in Openprovider match with Sectigo?
Question As there are Comodo products in SSL Panel, how the SSL products in Openprovider match wi...
S/MIME and Code Signing SSL Certificates
Update May 2025 Generating a CSR for an S/MIME Personal certificate using OpenSSL, please refer f...
SSL Certificate Refund Policy
When one is eligible for an SSL Certificate refund? Sectigo offers a 30-day return policy. Once ...
SSL Certificates and SEO
Question Does SSL have any impact on SEO for a website? Answer Yes, it does. Google announced a r...
SSL TLS lifecycle changes explained - March 12 2026
The SSL TLS industry is introducing changes to how certificates are issued. These changes affect ...
馃嚜馃嚫 Solicitud e instalaci贸n de un certificado SSL (Reseller Control Panel)
El primer paso para pedir un certificado lo debes hacer desde tu servidor: tienes que crear un聽Ce...
馃嚜馃嚫 Solicitud e instalaci贸n de un certificado SSL (SSL Panel)
Para solicitar un certificado SSL puedes hacerlo desde el panel de control o desde el nuevo panel...
馃嚜馃嚫 驴C贸mo reexpedir un certificado SSL?
Si has perdido la llave, has cambiado detalles de la empresa, tienes un nuevo proveedor o tu cert...
SSL Panel configuration and explanation
SSL Order status explanation
Question What is the meaning of all SSL Panel statuses? Answer There are few statuses available i...
SSL Panel end users access
Question How to provide access to SSL Panel to an end-user? Answer One can do so by generating an...
Setting up SSL Email notifications
We have recently introduced a few new features that let you set up email notifications directly f...
Setting up SSL Webhook notifications
Question Is that possible to get notifications about SSL Order status change? Answer Yes, that is...