purgatory/Xray-core
1
0
Fork 0
mirror of https://github.com/XTLS/Xray-core.git synced 2025-04-03 13:53:34 +03:00
Code Issues Projects Releases Packages Wiki Activity

DNS: use cache for NXDOMAIN

Browse source
This commit is contained in:
patterniha 2025-03-28 02:06:30 +03:30
parent 29e37e8a82
commit 484e94fa85
4 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
app/dns/nameserver_doh.go
View file

@ -357,7 +357,7 @@ func (s *DoHNameServer) QueryIP(ctx context.Context, domain string, clientIP net
errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
} else {
ips, ttl, err := s.findIPsForDomain(fqdn, option)
if err == nil || err == dns_feature.ErrEmptyResponse {
if err == nil || err == dns_feature.ErrEmptyResponse || dns_feature.RCodeFromError(err) == 3 {
errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
return ips, ttl, err

2
app/dns/nameserver_quic.go
View file

@ -300,7 +300,7 @@ func (s *QUICNameServer) QueryIP(ctx context.Context, domain string, clientIP ne
errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
} else {
ips, ttl, err := s.findIPsForDomain(fqdn, option)
if err == nil || err == dns_feature.ErrEmptyResponse {
if err == nil || err == dns_feature.ErrEmptyResponse || dns_feature.RCodeFromError(err) == 3 {
errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
return ips, ttl, err

2
app/dns/nameserver_tcp.go
View file

@ -325,7 +325,7 @@ func (s *TCPNameServer) QueryIP(ctx context.Context, domain string, clientIP net
errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
} else {
ips, ttl, err := s.findIPsForDomain(fqdn, option)
if err == nil || err == dns_feature.ErrEmptyResponse {
if err == nil || err == dns_feature.ErrEmptyResponse || dns_feature.RCodeFromError(err) == 3 {
errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
return ips, ttl, err

2
app/dns/nameserver_udp.go
View file

@ -282,7 +282,7 @@ func (s *ClassicNameServer) QueryIP(ctx context.Context, domain string, clientIP
errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
} else {
ips, ttl, err := s.findIPsForDomain(fqdn, option)
if err == nil || err == dns_feature.ErrEmptyResponse {
if err == nil || err == dns_feature.ErrEmptyResponse || dns_feature.RCodeFromError(err) == 3 {
errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
return ips, ttl, err