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Change DoT default port to 853 #655

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Jun 26, 2020
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6 changes: 5 additions & 1 deletion prober/dns.go
Original file line number Diff line number Diff line change
Expand Up @@ -175,7 +175,11 @@ func ProbeDNS(ctx context.Context, target string, module config.Module, registry
targetAddr, port, err := net.SplitHostPort(target)
if err != nil {
// Target only contains host so fallback to default port and set targetAddr as target.
port = "53"
if module.DNS.DNSOverTLS {
port = "853"
} else {
port = "53"
}
targetAddr = target
}
ip, _, err = chooseProtocol(ctx, module.DNS.IPProtocol, module.DNS.IPProtocolFallback, targetAddr, registry, logger)
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