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Questions tagged [security-certificate]

Electronic document that proves ownership of a public key. E.g. for SSL connections.

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2 votes
2 answers
486 views

Wildcard SSL issued by Plesk not working for subdomains hosted by a third party

I've got a Plesk setup which issues Letsencrypt certificates and hosts part of my client websites. When passing the _acme-challenge and receiving a wildcard certificate / installing said certificate ...
3 votes
2 answers
94 views

Moving website from https to http without requiring visitors to clear their cache

For the last few years I have had a website that has had an SSL certificate because we were operating an online store. As a result, visitors arriving at our website were always taken to https://www....
1 vote
0 answers
22 views

ECDSA certificates not impacted by Let’s Encrypt certificate chain change?

We received an email from Cloudflare about the upcoming Let’s Encrypt certificate chain change. At some point, it states that "Additionally, this change only impacts RSA certificates. It does not ...
0 votes
0 answers
42 views

my ip and my domain showing different result

Hello there I am trying access my website through domain I am using a VPS and A domain in different websites but when I try to access my domain it access successfully but some time it show nginx on ...
0 votes
1 answer
36 views

SSL for domain without hosting

I purchased a domain that we'll call example.sh that has no hosting and simply redirects to my profile page on another site. When a user visits http://example.sh/ they are taken to https://othersite....
-3 votes
2 answers
3k views

Redirecting domains on https without creating a certificate for them?

I own, say, 100 domains. I want to add redirect for each of them to a new domain. And not only to a domain, but a custom query string. For instance domain1.example/url1 -> domain11.example/url2 ...
0 votes
1 answer
2k views

Is it possible to redirect HTTPS to HTTP without warning?

One of my clients now doesn't want to use a SSL certificate. But the home page of their site has been indexed with HTTPS. I have already redirected HTTPS to HTTP but it shows a warning every time. Is ...
0 votes
1 answer
43 views

Is a zero trust https reverse proxy possible? [closed]

I have a small home server and I'm currently just pointing my domain to my static IP address but I'd like to stop doing that but without the use of current reverse proxy services as I don't like them. ...
1 vote
1 answer
218 views

How can I check the certificate validity of an email server?

I have this problem continuously. Thunderbird works fine, using POP and SMTP Crazy Domains changes something on the shared server Thunderbird stops fetching email I complain and provide the ...
1 vote
0 answers
21 views

SSL certificates, cookies/cache, can’t view my own website… [closed]

Can’t access my own site without occasional error message “can’t establish a secure connection”. So I ran a Windows diagnostic, which yielded zero results. So I deleted my cookies and my cache (as ...
2 votes
3 answers
57 views

TLS bound to another domain in the same hosting

I have a domain for a customer, say my-nice-restaurant.example hosted in a hosting company with cPanel. This cPanel takes all the time one domain like the "primary domain" of my account, say ...
0 votes
0 answers
44 views

Is it fine form the viewpoint of security to track the SSL keys and certificate by the Version Control Systems?

As commonly known, the files with environments variables (.env and like) are being frequently excluded from the tracking by the Version Control Systems. What about SSL keys and certificates? Please ...
10 votes
3 answers
12k views

Performance: 4096 Bit RSA-Key compared to 2048 bit RSA-Key

Is there a comparison between 4096 Bit RSA-Key and a 2048 Bit RSA-Key? I'd like to know what impact on performance it has, if I'm choosing a 4096-Bit key for ssl-encryption. Is there any info which ...
1 vote
1 answer
344 views

Two domains linked with CNAME - do I need two CA certificates for SSL?

I have a pretty simple question. Suppose I have a domain a.example and I add a CNAME record for the apex/root of that domain pointing to another domain I own: b.example. Suppose now that I want to ...
1 vote
2 answers
103 views

HTTPS site on Chrome with paid SSL showing as Dangerous

I built a WordPress STAGING site on projectjustcause.com domain. I have installed and tested paid SSL cert and it worked fine. When I added directives to APACHE 2.4 .htaccess file to forward all http ...
1 vote
1 answer
309 views

Using CloudFlare with GitHub Pages and SSL/TLS Full or Full (Strict) and Proxied DNS prevents GitHub Pages' Certificate Renewal

I am hosting my personal webpage on GitHub Pages with a custom domain and using CloudFlare for DNS etc. I am using the Full (Strict) mode for TLS/SSL and Proxied DNS. When The GitHub Pages tries to ...
1 vote
1 answer
54 views

Will the cancellation of the https agreement cause a significant drop in my website traffic?

Will the cancellation of the https protocol cause my website traffic to drop significantly? The https protocol of my website has expired and I will not update it. Now I can’t open it when searching ...
3 votes
1 answer
77 views

Should the link I use to access my cPanel have an SSL certification?

My web host (Siteground) provided me with a link that was SSL certified in my user area. This link did not work because the standard error. I asked the support guys and they gave me the same link ...
5 votes
2 answers
8k views

SSL Labs Cipher Strength < 100%, why? How do I make it?

I am in a progress of trying (again) to get maximum (or almost maximum) score on SSL Labs with my site. I currently do not understand, why it does not give me full Cipher strength score. Now, it ...
3 votes
3 answers
2k views

Reverse proxy SSL with Nginx, do I need a wildcard or a separate cert for every host?

I have Nginx setup and successfully serving SSL to example.com using certbot/letsencrypt. But when I try to reverse proxy to a local machine I get NET::ERR_CERT_COMMON_NAME_INVALID. Here's the ...
1 vote
3 answers
935 views

How do I install a security certificate for an alias (domain pointer) in DirectAdmin?

I have the following problem: I have 2 domains: domain1.example and domain2.example (domain pointer) => domain1.example. Previously, I used Let's Encrypt to create SSL for both in DirectAdmin and ...
6 votes
2 answers
15k views

How do I transfer an SSL certificate to a new server

I have a site running on GoDaddy shared hosting, which is going to be moved over to a VPS. The site has a SSL certificate from GoDaddy. How can I move over the certificate in a seamless way, so that ...
2 votes
1 answer
97 views

Unable to get SSL certificate in mailserver separate from web hosting

I use Firebase Hosting to host my website and a VPS to host a mailserver for the same domain. When I try to issue a certbot Let's Encrypt SSL certificate I get the following error: Could not request ...
1 vote
2 answers
65 views

What type of security certificate do I need

Our website is information only, what we do, what we've done and contact info. We do not do any ecommerce or provide any downloads for visitors. The person that ran our web hosting company passsed ...
-1 votes
1 answer
24 views

Alternative to SSL certificate? [closed]

I wanted to make a fun joke website for my friends and I. I'm using 000webhost because I don't care to spend money, as we would use it for a week. The website requires Node and a database. I set it ...
1 vote
0 answers
34 views

Using Wildcard Cerificates in Ubuntu server fails to start apache2

I am using Ubuntu 22.04.1 with apache 2.4, and I was given a wildcard certificate *.domain.net from our IT Head, from a trusted CA and is supposed to be valid. However, a bunch of online forums to ...
0 votes
0 answers
53 views

Does the SSL certificate has to be valid for the www subdomain

The .htaccess successfully diverts all variants to @@@@.software on the browsers. And I have appropriate CSP headers (that work on all other sites in different installations) installed in htaccess. I ...
3 votes
1 answer
197 views

Is there an official or safe way to use a LetsEncrypt certificate for the WHM UI?

To be specific, I am talking about using a LetsEncrypt (LE) cert for WHM itself, not a domain being managed by these tools. I'm well aware that I could install Certbot and reconfigure the underlying ...
0 votes
0 answers
63 views

SSL DV certificate not working uniformly across browsers, ISP and OS

I purchased SSL certificate through Namecheap. I am using Windows 11 OS, with BSNL Internet Service Operator(wifi) with Firefox v16, Microsoft Edge, Chrome v106 as browsers and iPad OS version 16 and ...
9 votes
5 answers
885 views

Is GoDaddy SSL standard certificate compatible with all browsers?

Could you answer to at least one of these questions: Is GoDaddy SSL standard certificate compatible with all browsers (Chrome and Safari on iPhone, or Android browsers included)? http://www.godaddy....
4 votes
1 answer
276 views

Can Screaming Frog check for invalid SSL certificates?

I've been using Screaming Frog to test the home pages of a few hundred sites I manage, to see what status codes they return. I noticed in my browser that one of those sites has an invalid (expired) ...
2 votes
2 answers
445 views

Do I need to renew my SSL certificate through my domain registrar when my web host is providing one for me?

My domain is through Network Solutions and it points to my WordPress site on Siteground. Siteground provides SSL certificate. However, I keep getting warnings from Network solutions that I need to ...
23 votes
6 answers
35k views

Is unique IP address a must for SSL?

The shared hosting company told me that if I buy an IP address then it will be applicable for the addon domains too. What does it mean? Then the SSL certificate won't work since there will be more ...
27 votes
3 answers
37k views

IIS 7 Require SSL automatically redirect to https://

I've configured IIS 7 to require SSL. Can I automatically redirect non-SSL requests to be encrypted? For example, if a user types in http://domain.example, can IIS redirect the request to https://...
3 votes
1 answer
3k views

Is an SSL certificate installed on the server or domain?

I have an existing site with an SSL certificate, and the domain will be transferring to a different host. Does the SSL certificate carry over with the domain? Or does this need to be installed on the ...
0 votes
0 answers
280 views

Can I Install a wildcard SSL certificate from a third party to a Hostinger domain?

I have a domain registered with Hostinger, along with hosting, which does not support wildcard SSL certificates. Is there any workaround for this issue? Is there any way I can manually install a ...
3 votes
3 answers
4k views

Single SSL certificate for web and email

I would like to purchase a basic SSL certificate, which allows me to secure a single domain (as opposed to a wildcard certificate for multiple subdomains). I was going to apply this to mail.example....
3 votes
1 answer
542 views

Server's certificate is unknown when using ftp with cPanel

I have a VPS hosting with both WHM/cPanel and SSH root access, I created an FTP account using cPanel, now when I try to connect using FileZilla I get the following warning: The server's certificate is ...
1 vote
0 answers
299 views

SSL certificate for Blogger on a custom sub-domain

I have Blogspot blog show casing my products running for many years on http:// which is running as http://products.example.com for many years. My DNS record for example.com (which I own) at the domain ...
1 vote
0 answers
647 views

How to install/update/upgrade SSL certificate in Tomcat?

I am about to install/update/upgrade a SSL certificate in one of the servers which has the following configuration Sever information: Sever version: Apache Tomcat/6.0.35 OS version: Linux 2.6.18-371....
0 votes
1 answer
77 views

Why does a website present a certificate for a completely different domain? [closed]

The last couple of weeks I have had several websites temporarily present certificates for completely unrelated domains. A visit to docs.oracle.com presented a certificate for an internal service and ...
4 votes
0 answers
544 views

"Cert authority invalid" error from Chrome on Android when viewing my website which uses Lets Encrypt

I have installed and activated open SSL (letsencrypt.org R3 version V3) on my website. Website is working fine in Desktop browsers (Chrome, Firefox....) but in Google Chrome Android, I get security ...
3 votes
1 answer
367 views

WHM upload CA root certificate to validate Cloudflare certificates

I'm using Cloudflare's self-signed certificates to encrypt traffic between Cloudflare and my origin web server. A problem that cPanel shows a No Valid Certificate for the domain and the error ...
4 votes
1 answer
129 views

How to promote the quality/security of your a website to your its customers?

Our organization is building a Drupal web platform that we aim at reselling as a cloud service. In order to provide our customers with maximum confidence in our solution, we're looking at ways of ...
3 votes
2 answers
6k views

nginx http to https redirect causing 400 Bad Request: the plain HTTP request was sent to HTTPS port

I am running my own webserver with nginx on ubuntu 17.10. I have opened ports 80 and 443. Trying to get the HTTP to HTTPS redirect working, but everthing i seem to have tried fails. i am still ...
2 votes
1 answer
95 views

Most cost effective option for securing 1000+ websites (SSL)

My company manages well over 1000 sites for various clients. Currently, we are paying for a Standard DV certificate for each individual site ($94.99 from GoDaddy). We are easily spending over $100k ...
3 votes
1 answer
156 views

Is there a rule that prevents CAs from issuing certificates for private networks (intranets)?

A while ago I encountered a question asking how to setup SSL/TLS on intranets, I gave an answer which basically says "use a public domain and associated certificate and resolve the domain to the ...
9 votes
4 answers
4k views

Do I have to pay a web hosting company for an SSL certificate?

I want to be able to host HTTPS in addition to HTTP and I thought I could simply buy a low cost SSL certificate and copy the certificate to my hosted website? But my service provider has a variety of ...
2 votes
1 answer
339 views

CERTBOT_DOMAIN not set in hook

I am currently trying to set up a hook for certificate deployment. I have successfully retrieved the certificate and found out that you have to force renewal when testing, so I've now hit the rate ...
0 votes
0 answers
71 views

Cloudflare returns SSL 525 error for the domain apex with domain hosted by Blogger even using flexible SSL to the origin

When I try to access my blogger using https://example.com I get a 525 error, but when I use https://www.example.com it works fine. I have changed the SSL/TLS encryption to flexible in Cloudflare but ...

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