Allowing ports on firewall

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This topic contains 1 reply, has 0 voices, and was last updated by  uniquegodwin 10 years, 5 months ago.

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  • #41270

    uniquegodwin
    Member

    Hello again,
    I’m now stuck with another problem…

    I have set a firewall rule to block all traffic…
    and then,I set a rule to allow only Remote Desktop Protocol (under L7 protocol description).

    But,it doesn’t work 🙁 RDP protocol is still blocked.

    although allowing ICMP on the L2 works…

    How do I allow outgoing connections application wise like allowing Windows Remote Desktop (port 3389)?

    Thanks

    #47102

    imported_fulvio
    Participant

    L7 filters can be used to drop and shape the traffic. You should never use them in ACCEPT rules. This is because the L7 filters can need more than one packets to intercept a protocol, but if you drop the first ….

    Regards
    Fulvio

    #47103

    uniquegodwin
    Member

    But,i want to block all traffic by default and allow only required traffic ….since blocking all L7 applications one by one will be very hard.

    Is there any way to block all traffic and allow only the required L7 ports?

    Thanks

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