cmd/tailscale/cli: don't warn about iptables=off on Synology
We don't use iptables on Synology, so don't scare the user.
@@ -230,7 +230,9 @@ func prefsFromUpArgs(upArgs upArgsT, warnf logger.Logf, st *ipnstate.Status, goo
warnf("netfilter=nodivert; add iptables calls to ts-* chains manually.")
case "off":
prefs.NetfilterMode = preftype.NetfilterOff
+ if defaultNetfilterMode() != "off" {
warnf("netfilter=off; configure iptables yourself.")
+ }
default:
return nil, fmt.Errorf("invalid value --netfilter-mode=%q", upArgs.netfilterMode)
}
