Windows Firewall: Minimum Firewall Rules for Internet?

  1. Thelps's Avatar
    Posts : 106
    Windows
       #1

    Windows Firewall: Minimum Firewall Rules for Internet?


    Does anyone who is familiar with Windows Firewall with Advanced Security know the minimum set of allowed Firewall Rules required for being able to browse the internet and stream videos, download files etc?

    Could you specify which Firewall Rules must be included and set to allow in order to browse websites, use HTTPS, FTP and to stream videos from sites like YouTube and DailyMotion?

    Also what's needed to enable DNS.

    Your assistance is really appreciated here..!
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  2. Posts : 264
    Windows 10
       #2

    Outbound ports 80, 443 and 21. DNS is port 53.
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  3. TairikuOkami's Avatar
    Posts : 4,907
    Windows 11 Home Dev 22xxx
       #3

    You can use live_tcp_udp_watch to watch the traffic and then create rules based on that.

    You will need svchost allowed for DNS (DNS Client service), Windows Updates, updating certificates, etc.
    Code:
    netsh advfirewall firewall add rule name="Svchost DNS" dir=out action=allow protocol=UDP remoteport=53 program="%WINDIR%\System32\svchost.exe"
    netsh advfirewall firewall add rule name="Svchost TCP" dir=out action=allow protocol=TCP remoteport=80,443 program="%WINDIR%\System32\svchost.exe"
    If DNS Client service is disabled, DNS will be required per each app, like for a browser for example:
    Code:
    netsh advfirewall firewall add rule name="Yandex DNS" dir=out action=allow protocol=UDP remoteip=156.154.70.2,156.154.71.2 remoteport=53 program="Z:\Yandex\YandexBrowser\Application\browser.exe"
    netsh advfirewall firewall add rule name="Yandex TCP" dir=out action=allow protocol=TCP remoteport=21,80,443 program="Z:\Yandex\YandexBrowser\Application\browser.exe"

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