Hi Jim,
>> what if this is an intranet and we don't have a domain name for it but just the ip address?
Even on an internet you should have a "name" - typically the name of the server. So, for example, on my server "donald" I can run a web server, and then access it from a browser as
http://donaldIn this case "donald" is a "local domain", you can use it inside your lan, but not, of course, on the internet.
NetTalk will still generate a certificate for you to use in this case. When you click on the certificates button then donald.crt and donald.key files will be created.
Of course these certificates are "not trusted" (because they are "self signed") so will cause a warning to appear in the browser. This is "normal" for SSL Intranet servers - there is unfortunately no way around this at this time (for LAN networking in general, nothing to do with NetTalk.)
Using an untrusted cert is still _waaay_ better than insecure HTTP traffic on the LAN though.
cheers
Bruce