MINOR: dns: automatic reduction of DNS accpeted payload size

RFC 6891 states that if a DNS client announces "big" payload size and
doesn't receive a response (because some equipments on the path may
block/drop UDP fragmented packets), then it should try asking for
smaller responses.
This commit is contained in:
Baptiste Assmann 2017-08-21 16:51:09 +02:00 committed by Willy Tarreau
parent 9d8dbbc56b
commit e70bc05b3a