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Knowledgebase : Colocation
VIRTBIZ does not filter or firewall any Internet connection provided to a datacenter customer. We encourage the judicious use of a customer's own firewall and port filtering rules as they may apply to a customer's particular application and security po...
VIRTBIZ keeps detailed statistics on the connections provided to colocation customers. Customers can view daily, weekly, monthly and yearly graphs, and break those down by smaller increments of time. If you are a VIRTBIZ Colocation customer, you can v...
If your IP range is a /28 or smaller, the PTR is not set by you. You may, however, request a custom PTR for your IP addresses by opening a Support Ticket with us. Please list the IP addresses you would like the entries to be made for in addition to the...
INSTRUCTIONS: Please read this entire document, the cut and paste where indicated into an email addressed to hostmaster@virtbiz.com or fax to 972-485-4140. The purpose of this form is to provide customers with documentation concerning the assignment ...
Some providers rate limit how often they respond with the TTL-exceeded ICMP packets used by traceroute and PING. This is done to prevent attacks against their routers, since responding to these packets requires much more CPU time than simply forwarding th...
When you set up multiple MX records in DNS, you are able to set a preference for which one should be used first. However, while the use of first-preference MX systems is standard practice, it is not mandatory. The use of alternate MX systems can be speci...
It is technically feasible to update a CentOS 4 system to CentOS 5. The following guide is based on a 32-bit system and has been tested to function. IMPORTANT NOTE: VIRTBIZ makes this procedure available as a convenience and does not warrant it for ...
Colocation services are for those that require complete control over their server configuration. Colocation is a service in which a company will connect a server that you own to the internet. If you do not already have one, some companies offer to buil...
A PTR record associates an IP address with a canonical name. PTR records should point to a name that can be resolved back to the IP address. The name of the pointer record is not the IP address itself, but is the IP address’ four IP octets in reverse or...