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    Firewall Rules Structure Question

    Firewalling
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    • L
      lysol last edited by

      Regarding firewall rules, I would like to set up types of VLANs:
      LAN acccess only with whitelist
      WAN access only with whitelist
      LAN and WAN

      I've figured out how to block specific IP's from WAN in the LAN firewall rules, but I haven't figured out how to add a "block all WAN" and have an "allow this alias" access to WAN.
      Also, I cannot figure out how to block LAN access at all. Any suggesstions?

      I'm thinking of how to do this the best way:
      The aliases will have the VLAN subnets in them.

      VLAN10 - LAN acccess only with whitelist:
      Allow "alias10" LAN access
      Block all WAN access
      Block all LAN access

      VLAN20 - WAN access only with whitelist:
      Allow "alias20" WAN access
      Block all WAN access
      Block all LAN access

      VLAN30 - LAN and WAN:
      This one will be trusted so Allow all is fine.

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      • L
        lysol last edited by

        Is there an implicit deny that's invisible on the interfaces already?

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        • johnpoz
          johnpoz LAYER 8 Global Moderator last edited by

          Yes all interface have a default deny.. That is not shown in the gui..  There has been discussion of allowing this to be shown in the gui..  But its a given that if no allow rule then traffic is deny..

          You might place a specific deny on the interface to deny stuff you don't want logged by the default deny, etc.  Or if you just like to see it when looking at you rules.

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