I have not developed that feature, but many options are not following
the recommendations from RFCs with their default values, but more what
was the common practice/best supported at that time (e.g., auto-switch
protocol to tcp/tls on mtu size).
The DNS NAPTR is also turned off by default, which should be on, based
on RFC, iirc, but that adds extra DNS query and slows down everything as
most of services I saw so far do no relay on NAPTR.
Cheers,
Daniel
On 10.08.20 15:33, Juha Heinanen wrote:
What is the point of dns_naptr_ignore_rfc default
value:
dns_naptr_ignore_rfc
If the DNS lookup should ignore the remote side's protocol preferences,
as indicated by the Order field in the NAPTR records and mandated by RFC
2915.
dns_naptr_ignore_rfc = yes | no (default yes)
In my (and RFC 2915's) opinion the default should be 'no'.
-- Juha
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