What is .dat certificate? How is it different from the other certificate format like JKS??

What is a .dat certificate? Is there any difference between a JKS certificate and a .dat certificate? How can I use ...

Openssl : error “self signed certificate in certificate chain”?

When I used openssl APIs to validate server certificate (self signed), I got following error : error 19 at 1 dep...

Two-way SSL or One-way SSL when its one way rest call??

I created a client-rest-api which calls a server-rest-api (one way post call). My client-rest-api uses certificates ...

receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm?

I am using npm v1.0.104/node 0.6.12 on ubuntu - I am receiving the error copied below while attempting to install an...

What does it mean to accept all SSL certificates??

I have a general understanding of SSL and how it works but I have seen multiple applications that have checkboxes th...

urllib and “SSL: CERTIFICATE_VERIFY_FAILED” Error?

I am getting the following error: Exception in thread Thread-3: Traceback (most recent call last): File "/Library/F...

ERR_CONNECTION_REFUSED when we use https:// without www?

Suppose, https://www.domain.com is my website URL When I have set redirection from http://domain.com or http://w...

Wildcard SSL common name - can it be called anything??

I was just wondering if a wildcard SSL certificate necessarily needs to have a common name that contains the domain ...

How do I get my browser to ignore certificate on trusted domain?

I got this message when I tried to login to my own dedi or one of the cpanel. The security certificate presented...

NET::ERR_CERT_AUTHORITY_INVALID on Chrome?

I have generated self signed certificate for my server. After importing root CA cert to my browser, I was trying to ...

How to provide a verified server certificate for Remote Desktop (RDP) connections to Windows 10?

We have a Windows 10 Pro machine at our office which has an open port to the internet for incoming remote desktop co...

How to properly install SCR3500 card reader on mac - Mac OS X 10.6.8??

I am trying to login into some secured site and I am required to use SCR3500 card reader. I found and installed some...

How to fix Firefox 59 no longer accepting my self signed SSL certificate on .dev virtualhost?

On my local Apache environment I have a site that requires SSL for development, so I have been using a self signed c...

Avoid password prompt for keys and prompts for DN information?

I am using following code to generate keys: apt-get -qq -y install openssl; mkdir -p /etc/apache2/ssl; openssl genr...

Getting Certificate error on IE and Chrome but opens in FireFox?

I am trying to open https://github.com on IE 11 and Chrome but it gives a SSL certificate error NET::ERR_CERT_AUTHOR...