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set trust_negative_responses in nameserver config.

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Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk 2024-03-26 12:27:05 -07:00 • committed by June
parent e6c34b982f
commit 0df1f84cc8
1 changed files with 8 additions and 1 deletions
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9
src/service/globals/resolver.rs
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@ -32,13 +32,20 @@ pub struct Hooked {
impl Resolver { impl Resolver {
pub(crate) fn new(config: &Config) -> Self { pub(crate) fn new(config: &Config) -> Self {
let (conf, mut opts) = hickory_resolver::system_conf::read_system_conf() let (sys_conf, mut opts) = hickory_resolver::system_conf::read_system_conf()
.map_err(|e| { .map_err(|e| {
error!("Failed to set up hickory dns resolver with system config: {}", e); error!("Failed to set up hickory dns resolver with system config: {}", e);
Error::bad_config("Failed to set up hickory dns resolver with system config.") Error::bad_config("Failed to set up hickory dns resolver with system config.")
}) })
.unwrap(); .unwrap();
let mut conf = hickory_resolver::config::ResolverConfig::new();
for sys_conf in sys_conf.name_servers() {
let mut ns = sys_conf.clone();
ns.trust_negative_responses = true;
conf.add_name_server(ns);
}
opts.cache_size = config.dns_cache_entries as usize; opts.cache_size = config.dns_cache_entries as usize;
opts.negative_min_ttl = Some(Duration::from_secs(config.dns_min_ttl_nxdomain)); opts.negative_min_ttl = Some(Duration::from_secs(config.dns_min_ttl_nxdomain));
opts.negative_max_ttl = Some(Duration::from_secs(60 * 60 * 24 * 30)); opts.negative_max_ttl = Some(Duration::from_secs(60 * 60 * 24 * 30));