[lwip-devel] [task #7017] Implement DNS client

[Frédéric Bernon]

Follow-up Comment #24, task #7017 (project lwip):

>but we don't care, we should be using the TTL passed to us for the cache. It
is up to the SERVER, not the client, to default to the MINIMUM ttl specified
in the SOA. (Note: RFC1035 does say a TTL of zero means do not cache, only use
immediate value) 

I still think a client should be able to cache a shorter time than the dns
zone ttl. This last is most of time for zone replication. Microsoft (yes, no
comments;) ) do it, I suppose than linux got a same feature.

http://support.microsoft.com/?scid=kb%3Ben-us%3B318803&x=14&y=10



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