When you use ‘badidea’ or ‘thisisunsafe’ to bypass a Chrome certificate/HSTS error, does it only apply for the current site?

This is specific for each site. So if you type that once, you will only get through that site and all other sites will need a similar type-through. It is also remembered for that site and you have to click on the padlock to reset it (so you can type it again): Needless to say … Read more

OpenSSL: unable to verify the first certificate for Experian URL

The first error message is telling you more about the problem: verify error:num=20:unable to get local issuer certificate The issuing certificate authority of the end entity server certificate is VeriSign Class 3 Secure Server CA – G3 Look closely in your CA file – you will not find this certificate since it is an intermediary CA – … Read more

OpenSSL: PEM routines:PEM_read_bio:no start line:pem_lib.c:703:Expecting: TRUSTED CERTIFICATE

Since you are on Windows, make sure that your certificate in Windows “compatible”, most importantly that it doesn’t have ^M in the end of each lineIf you open it it will look like this:—–BEGIN CERTIFICATE—–^M MIIDITCCAoqgAwIBAgIQL9+89q6RUm0PmqPfQDQ+mjANBgkqhkiG9w0BAQUFADBM^M To solve “this” open it with Write or Notepad++ and have it convert it to Windows “style” Try to run openssl x509 -text -inform … Read more

SSL_ERROR_BAD_CERT_DOMAIN

SSL certificate is valid only for website without www I set my site with SSL certificate. It is on posidonia.ga but if I connect then Firefox shows this warning: “”Websites guarantee their identity through certificates. Firefox does not consider this site reliable as it uses a certificate that is not valid for www.posidonia.ga. The certificate … Read more

How to import a .cer certificate into a java keystore?

If you want to authenticate you need the private key – there is no other option. A certificate is a public key with extra properties (like company name, country,…) that is signed by some Certificate authority that guarantees that the attached properties are true. .CER files are certificates and don’t have the private key. The private … Read more

How to generate a self-signed SSL certificate using OpenSSL?

You can do that in one command: You can also add -nodes (short for no DES) if you don’t want to protect your private key with a passphrase. Otherwise it will prompt you for “at least a 4 character” password. The days parameter (365) you can replace with any number to affect the expiration date. It will then prompt you … Read more