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// Copyright 2023 The frp Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package net
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import (
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"context"
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"net"
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)
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func SetDefaultDNSAddress(dnsAddress string) {
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if _, _, err := net.SplitHostPort(dnsAddress); err != nil {
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dnsAddress = net.JoinHostPort(dnsAddress, "53")
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}
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// Change default dns server
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net.DefaultResolver = &net.Resolver{
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PreferGo: true,
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Dial: func(ctx context.Context, network, _ string) (net.Conn, error) {
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return net.Dial(network, dnsAddress)
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},
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}
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}
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