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policy/v2: error on missing or zero port (#2606)

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* policy/v2: error on missing or zero port

Fixes #2605

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* changelog: add entry

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

---------

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
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Kristoffer Dalby 2025-05-16 17:30:47 +02:00 • committed by GitHub
parent 30525cee0e
commit bd6ed80936
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4
hscontrol/policy/v2/utils.go
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@ -73,6 +73,10 @@ func parsePortRange(portDef string) ([]tailcfg.PortRange, error) {
return nil, err
}
if port < 1 {
return nil, errors.New("first port must be >0, or use '*' for wildcard")
}
portRanges = append(portRanges, tailcfg.PortRange{First: port, Last: port})
}
}