SSLv3 and securing against Poodle

If you are using SSL in your web server, you probably want to read this. Google recently published details about an attack that targets SSLv3. The exploit first allows attackers to initiate a “downgrade dance” that tells the client that the server doesn’t support the more secure TLS (Transport Layer Security) protocol and forces it… Continue reading SSLv3 and securing against Poodle

Setting up Domains Keys (DKIM) on Postfix

This is a quick and fairly painless way of setting up DKIM, on a postfix server. DomainKeys Identified Mail (DKIM) is a method for associating a domain name to an email message, thereby allowing a person, role, or organization to claim some responsibility for the message and helps verify that your mail is legitimate. This… Continue reading Setting up Domains Keys (DKIM) on Postfix

PCI compliance – a basic HOWTO

A lot of people are wanting to be PCI compliant these days, and this is generally a good thing. PCI compliance is not just a server spec, but a list of procedures, policies, controls over access to data. Therefore the server side is only one part of the process. It can be expensive and time… Continue reading PCI compliance – a basic HOWTO

Setup mail hosting on Debian Squeeze and other distros using postfixadmin

Postfix is our favorite mail server. We find it's easy to configure and performs really well. When asked at a recent conference talk, Eric Allman the creator of Sendmail, said he would use Postfix if starting today. Many people ask us if there is an easier way to setup and manage email address and aliases,… Continue reading Setup mail hosting on Debian Squeeze and other distros using postfixadmin

Postfixadmin – debian – mysql and errors

A lot of our users use postfixadmin, it means email users are in the database, its easy to use, easy to admin. However the setup can be a little tricky for those not used to it. If you want to have a go doing it yourself, we have a great tutorial here http://rimuhosting.com/knowledgebase/linux/mail/postfixadmin Today however… Continue reading Postfixadmin – debian – mysql and errors