diff options
Diffstat (limited to 'src/resolve/resolved-dns-cache.c')
| -rw-r--r-- | src/resolve/resolved-dns-cache.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-cache.c b/src/resolve/resolved-dns-cache.c index eb51b4b895..751e961351 100644 --- a/src/resolve/resolved-dns-cache.c +++ b/src/resolve/resolved-dns-cache.c @@ -458,6 +458,10 @@ int dns_cache_put( if (r > 0) continue; + /* See https://tools.ietf.org/html/rfc2308, which + * say that a matching SOA record in the packet + * is used to to enable negative caching. */ + r = dns_answer_find_soa(answer, q->keys[i], &soa); if (r < 0) goto fail; |