OpenSSL - Chronicles of Technology

OpenSSL

A collection of 3 posts

Quick Domain Spoof with cURL

Quick Domain Spoof with cURL

Occasionally, you need to quickly check service availability, make sure your application is alive, or retrieve a certificate using internal interfaces.

Getting DN mismatch in Java? Use keytool

I wrote some Java code that connects to a secure Oracle Database listener port through JDBC. The code I used is published here. However, every time I execute this code, I receive the following exception: java.sql.SQLRecoverableException: IO Error: Mismatch with the server cert DN. This means that the

Quick Certificate Validation

Quick Certificate Validation

Check certificate validity for a site; what could be easier? It's a click away if the address of interest is in your browser. Learn how you can check expiration dates for multiple Learn how you can check expiration dates for multiple host or virtual hosts with SNI.