Many many things about colocation
However, you will never have to worry about installing updates when you purchase a Barracuda firewall. How is this possible? This is made possible through a branch of Barracuda Networks known as Barracuda Central. Barracuda Central works twenty four hours per day, seven days per week to protect our customers against the most current and devastating Internet threats. When the employees of Barracuda Central collect this data, they will send it to you in the form of an automatic update. Thanks to Barracuda Central, your Barracuda firewall will always be protect against the newest and greatest Internet threats.