Elwell, John wrote: > Vijay, > > Thanks, but I was concerned that a domain name beginning with "." might be wrong; Taking the SIP ABNF as an example (SDP ABNF isn't so precise), we have: > > hostname = *( domainlabel "." ) toplabel [ "." ] That would in fact be wrong, domain names cannot begin with '.'. In addition, I'd recommend against allowing an 'invalid' name that does not contain '.', because many systems (including my laptop) are configured with default DNS search domains that are searched when names that contain only one component are resolved. 'invalid' in my case would search in at least two domains for 'invalid.xxx.yyy', which is not helpful in the context of this draft. Explicitly specifying 'this.is.invalid' or something similar seems to be prudent in this case. -- Kevin P. Fleming Digium, Inc. | Director of Software Technologies 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA skype: kpfleming | jabber: kpfleming@xxxxxxxxxx Check us out at www.digium.com & www.asterisk.org _______________________________________________ Sipping mailing list https://www.ietf.org/mailman/listinfo/sipping This list is for NEW development of the application of SIP Use sip-implementors@xxxxxxxxxxxxxxx for questions on current sip Use sip@xxxxxxxx for new developments of core SIP
