[sr-dev] git:master: resolve.c: make dns query only on name that has valid syntax

[Klaus Darilion]

On 25.10.2012 18:57, Juha Heinanen wrote:
> admin at sip-router.org writes:
>
>> resolve.c: make dns query only on name that has valid syntax
>
> the above was not accurate.  it is only checked that name consists of
> characters that can appear in domain name. i had to add _ char to the
> valid chars, because it appears in svr names although i have not found
> an rfc that would have extended the valid character set with _ char.

AFAIK there is no RFC which limits the character set. I think DNS itself 
would allow any character, but there are limitations on which characters 
are allowed in hostnames or certain resource records.

regards
Klaus