mirror/goaway
1
0
Fork 0
mirror of https://github.com/pommee/goaway.git synced 2026-01-07 14:29:34 -06:00
Code Issues Packages Projects Releases Wiki Activity

fix: use local gateway resolver for hostname

Browse Source 
should hopefully resolve the issue with thousands of PTR records being sent
This commit is contained in:
pommee
2025-11-08 12:12:38 +01:00
parent f5dc8d2d39
commit daf7be208b
1 changed files with 10 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
backend/dns/server/handler.go
View File

@@ -195,7 +195,16 @@ func (s *DNSServer) reverseDNSLookup(clientIP string) string {
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
defer cancel()
resolver := &net.Resolver{}
resolver := &net.Resolver{
PreferGo: true,
Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
d := net.Dialer{
Timeout: 2 * time.Second,
}
return d.DialContext(ctx, "udp", s.Config.DNS.Gateway)
},
}
if hostnames, err := resolver.LookupAddr(ctx, clientIP); err == nil && len(hostnames) > 0 {
hostname := strings.TrimSuffix(hostnames[0], ".")
if hostname != clientIP &&