resolved: Initialize until_valid while storing negative/NXDOMAIN response in the cache

Initialize until_valid is properly for negative response, the cached negative responses can be used to answer the queries before contacting upstream server.
2023-06-16 17:45:06 +01:00
parent b79f29cd2b
commit 88c6f8f894
1 changed files with 1 additions and 1 deletions
@@ -602,7 +602,7 @@ static int dns_cache_put_negative(
        /* Determine how long to cache this entry. In case we have some RRs in the answer use the lowest TTL
         * of any of them. Typically that's the SOA's TTL, which is OK, but could possibly be lower because
         * of some other RR. Let's better take the lowest option here than a needlessly high one */
-        i->until =
+        i->until = i->until_valid =
                i->type == DNS_CACHE_RCODE ? timestamp + CACHE_TTL_STRANGE_RCODE_USEC :
                calculate_until_valid(soa, dns_answer_min_ttl(answer), nsec_ttl, timestamp, true);