Linux® Quick Fix

This can cause problems with the DNS zone files explained in Chapter 18, "Configuring DNS," which assume the IP address of a server won't change continuously. For this reason there are two broad types of DNS: Static DNS: This is used when ...

Under the system, Web queries first hit their servers on the regular TCP ports and then these servers automatically redirect the Web clients to use the IP address of your server on a different TCP port. Although this works well, it has disadvantages....

In these cases, the software can report only the true IP address of the Linux box's NIC interface. If the Linux box is being protected behind a NAT router/firewall, then the NIC reports in its data stream to the DDNS provider a private IP address tha...

Most new SOHO router/firewalls have built in dynamic DNS clients for one or more of the major DDNS service providers. There is usually a Dynamic DNS Web menu that prompts for the name of the service provider and your DDNS username and password. With ...

(If you need a refresher on RPMs, consult Chapter 6, "Installing RPM Software.") You can usually download the software from your DDNS provider, or you can find it at rpmfind.net. The RPM name usually starts with ddclient followed by a versi...

You can test your dynamic DNS by: Looking at the status page of your DNS provider and making sure the IP address that matches your www site is the same as your router/firewall's public IP address.Using the host www.my-web-site.org command from your ...

Always remember that dynamic DNS works, but it is frequently unreliable as residential class broadband data circuits are not monitored, maintained, or managed as closely as business class lines. It is a good starting place to help you become familiar...