From c27ed16e6ab428f00930eb5d3b68f3affff4a897 Mon Sep 17 00:00:00 2001
From: Loyalsoldier <10487845+Loyalsoldier@users.noreply.github.com>
Date: Sat, 19 Dec 2020 12:17:55 +0800
Subject: [PATCH] Fix: DNS compatible with `localhost` nameserver (#530)

---
 app/dns/dns.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/dns/dns.go b/app/dns/dns.go
index ee8b8acd7..0e135a1f2 100644
--- a/app/dns/dns.go
+++ b/app/dns/dns.go
@@ -64,6 +64,10 @@ func New(ctx context.Context, config *Config) (*DNS, error) {
 	for _, ns := range config.NameServer {
 		domainRuleCount += len(ns.PrioritizedDomain)
 	}
+	// Fixes https://github.com/v2fly/v2ray-core/issues/529
+	// Compatible with `localhost` nameserver specified in config file
+	domainRuleCount += len(localTLDsAndDotlessDomains)
+
 	// MatcherInfos is ensured to cover the maximum index domainMatcher could return, where matcher's index starts from 1
 	matcherInfos := make([]DomainMatcherInfo, domainRuleCount+1)
 	domainMatcher := &strmatcher.MatcherGroup{}