From 7bcffc2efa266823d9c2da1d8536e7f9c6e70a32 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 9 Dec 2015 17:38:05 +0100 Subject: resolved: honour RFC6761's ban on the invalid TLD --- src/resolve/resolved-dns-scope.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/resolve/resolved-dns-scope.c b/src/resolve/resolved-dns-scope.c index 4d83ac597c..ac44cf2343 100644 --- a/src/resolve/resolved-dns-scope.c +++ b/src/resolve/resolved-dns-scope.c @@ -441,6 +441,10 @@ DnsScopeMatch dns_scope_good_domain(DnsScope *s, int ifindex, uint64_t flags, co dns_name_equal(domain, "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa") > 0) return DNS_SCOPE_NO; + /* Never respond to some of the domains listed in RFC6761 */ + if (dns_name_endswith(domain, "invalid") > 0) + return DNS_SCOPE_NO; + /* Always honour search domains for routing queries. Note that * we return DNS_SCOPE_YES here, rather than just * DNS_SCOPE_MAYBE, which means wildcard scopes won't be -- cgit v1.2.3-54-g00ecf