[问题求助] win7下使用powershell添加防火墙规则

$RULENAME1 = 'Domain Controllers' 
$Rule = netsh advfirewall firewall show rule name="$RULENAME1" $nul 

if ($?) { 

echo "Rule "$RULENAME1" already exist." 
echo "Hey, you already got a out rule by that name, you cannot put another one in!" 

} else { 
echo Rule "$RULENAME1" not exist. Creating... 
netsh advfirewall firewall add rule name="$RULENAME1" dir=out action=block program="C:\Program Files\Mozilla Firefox\firefox.exe"
} 
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'in','out'|%{netsh advfirewall firewall add rule name="$RULENAME1" dir=$_ action=block program="C:\Program Files\Mozilla Firefox\firefox.exe"}
    (gi "C:\Program Files (x86)\EdrawSoft\MindMaster\MindMaster.exe").basename
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$pp = "C:\Program Files\Mozilla Firefox\firefox.exe"

$Rule_name = $((gi $pp).basename)
$Rule = netsh advfirewall firewall show rule name="$Rule_name" $nul

if ($?)
{
	echo "$Rule_name 规则已存在"
}
else
{
	echo "$Rule_name 规则不存在, 创建中..."
	'in', 'out' | foreach{ netsh advfirewall firewall add rule name="$Rule_name" dir=$_ action=block program=$pp }
}
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