[ntp:questions] SSL time request

David Woolley david at ex.djwhome.demon.invalid
Sat May 21 15:52:06 UTC 2011

Kevin Coulombe wrote:

> I'm looking into producing a 15 days demonstration version of an application
> for a client. I'm considering the use of an internet clock to validate this
> demo's duration, but a simple http request would be too easy to hack.
> Is there any way to request time in a secure manner such as an SSL

NTP is UDP so incompatible with a TCP based protocol like SSL. However 
it does have its own authentication options.

In this case, though, I would suggest that using https might be an 
easier choice, s you don't need high accuracy.

> connection. What I need is to validate that we are actually communicating
> with the "real" time server and that the message isn't tampered with.

More information about the questions mailing list