Linode Forum

[Tux.ice]

Hello,

I remember that maybe a year ago I was able to make ubuntu reply to pings with my domain name, instead of lixxx-xx.members.linode.com, is there any way to accomplish this on CentOS 5.3?

[db3l]

Tux.ice wrote: I remember that maybe a year ago I was able to make ubuntu reply to pings with my domain name, instead of lixxx-xx.members.linode.com, is there any way to accomplish this on CentOS 5.3?
I'm guessing you're talking about the reverse lookup used by ping clients to display a name for the address that the response comes from. If so, you can change that on the Linode Manager network tab. Note that it is going to verify that the name you pick also forward resolves to your Linode address, so you'll want that installed in your DNS first.

This is completely independent of what is running on your Linode, and in fact your Linode doesn't have to know anything about DNS to handle pings, which only involve IP (ICMP) traffic between two IP addresses. E.g., a system doesn't respond to pings with a domain name, but just sends packets from its own IP address.

So yes, changing the reverse lookup setting on the network tab will work just as well for CentOS as for Ubuntu (or anything else running on your Linode).

-- David