Other stuff...

OpenSSL for testing TLS

René Jorissen on February 17, 2011 1 Comment • Tags: #crlf #openssl #smtp #starttls #s_client #s_server #test #tls

I was looking for a way to test the TLS configuration of a secure mail server and stumbled across a website called “OpenSSL Command-Line HOWTO”. This websites explains how to test a TLS connection using OpenSSL. The s_client and s_server options provide a way to launch SSL-enabled command-line clients and servers. There are other examples … Read More

Configuration Example

OpenSSL & Cygwin – Certificate Authority

René Jorissen on September 30, 2009 0 Comments • Tags: #authority #certificate #cygwin #howto #openssl

I am using OpenSSL in conjunction with Cygwin on my Windows laptop to generate Certificate Signing Request and other SSL certificate related issues. Today I configured my own Certificate Authority, using the following guideline. Preparations First I created some directories, like shown below: mkdir /home/sslCAcd /home/sslCAmkdir certs private newcerts Next I created a serial file … Read More

Other stuff...

Custom ringtones and SMS sounds on iPhone 3G

René Jorissen on February 10, 2009 5 Comments • Tags: #libraryringtones #3g #custom #iphone #itunes #jailbreak #m4r #openssh #openssl #ringtone #sms

I received an iPhone 3G with a new cell phone contract. I started to play a little with it and noticed that there are only a few ringtones on the iPhone. Of course you can get more ringtones, but you have to get them through iTunes and pay for them, and that is not my … Read More

Configuration Example, Security

Cygwin with OpenSSL for CSR generation

René Jorissen on September 18, 2008 2 Comments • Tags: #certificate #csr #cygwin #generate #geotrust #openssl #request #signing #ssl #verisign

A lot of services, which are published to the Internet, are secured with SSL certificates. A lot of times we use SSL certificates to secure communications when implementing ISA reverse proxy servers, Citrix Secure Gateway servers and/or Cisco WebVPN portals. When you want to secure a connection with a SSL certificate you have to create … Read More