tailscale/net/dns/flush_windows.go

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// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package dns
import (
"fmt"
"os/exec"
)
// Flush clears the local resolver cache.
func Flush() error {
out, err := exec.Command("ipconfig", "/flushdns").CombinedOutput()
if err != nil {
return fmt.Errorf("%v (output: %s)", err, out)
}
return nil
}