[thirdparty/pdns.git] / regression-tests.nobackend / negcache-tests-dotted-cname / description

This test the correct workings of DNSName in combination with negative caching.
In the pre-DNSName era, it was possible for a pipe-backend to return a CNAME
with a dot on the end. When trying to look up the target of the CNAME, PowerDNS
would negatively cache _all_ names down to that name (i.e. ., com., powerdns.
for www.powerdns.com) and send out wrong answers for all domains after that.
Commit	Line	Data
48b10621 PL	1	This test the correct workings of DNSName in combination with negative caching.
	2	In the pre-DNSName era, it was possible for a pipe-backend to return a CNAME
	3	with a dot on the end. When trying to look up the target of the CNAME, PowerDNS
	4	would negatively cache _all_ names down to that name (i.e. ., com., powerdns.
	5	for www.powerdns.com) and send out wrong answers for all domains after that.