Secure SSL Cert 1
There are a number of good reasons why you might want your own valid SSL certificate. Back in the day, self-signed certificates were popular because of the complexity and expense of SSL certificates signed by a Signing Authority. But today, there are a number of providers of free SSL certificates, […]

Create a Free SSL Certificate with StartSSL

CloudFlare 2
I went to update the mod_cloudflare package on a CentOS / RHEL box this morning, and ran unto the following problem: % sudo yum update -y mod_cloudflare Resolving Dependencies --> Running transaction check ---> Package mod_cloudflare.x86_64 0:1.2.0-1360806316.el6 will be updated ---> Package mod_cloudflare.x86_64 0:1.3.1-1.el6 will be an update --> Finished Dependency […]

Fixing “Public key for mod_cloudflare-*.rpm is not installed” Error

One recommended way to help secure your Postfix mail server is enabling TLS (Transport Layer Security) for connections to and from Postfix. You can search for more detailed descriptions of exactly how TLS works, but basically it’s a crypotgraphic protocol that allows connections between systems to remain secure. It relies on a key […]

Configure Postfix TLS with a Free StartSSL Certificate