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How to assign Domain Controller to VLAN Systems

Scheduled Pinned Locked Moved General pfSense Questions
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  • J
    johnpoz LAYER 8 Global Moderator
    last edited by johnpoz Sep 29, 2018, 6:41 PM Sep 29, 2018, 6:41 PM

    You don't seem to understand how rules work. Rules are evaluated TOP down.. First rule to trigger wins and NO OTHER rules are evaluated.

    All of those allow rules are pointless because you have that allow purchase net tcp/udp any rule..

    And then you have 2 rules below that allow to specific sites?

    How would you ever get to the reject rules?

    An intelligent man is sometimes forced to be drunk to spend time with his fools
    If you get confused: Listen to the Music Play
    Please don't Chat/PM me for help, unless mod related
    SG-4860 24.11 | Lab VMs 2.8, 24.11

    S 1 Reply Last reply Sep 30, 2018, 1:38 PM Reply Quote 0
    • S
      slkamath @johnpoz
      last edited by Sep 30, 2018, 1:38 PM

      @johnpoz
      Thank you very much.

      What i understood was it will check 1st rule if it is not matching will go to 2nd like that so on. If the rule is not specified or not matching i thought it will be blocked. 😇

      Based on the idea given by you i have did few changes. Please correct me if i am wrong.

      Fin-VLAN
      0_1538314108468_Fin-VLAN.png

      Marketing-VLAN
      0_1538314140084_Marketing VLAN.png

      Purchase-VLAN
      0_1538314165255_Purchase VLAN.png

      Quality-VLAN
      0_1538314175450_Quality VLAN.png

      Allow Specific Sites are the sites of Government Sites which is required for few departments. Due to block of News & Social Media (Squid Guard) few sites will not work so created alias and allowing it (Don't know this is right or wrong).

      I thought if the rule is not specified means it will reject directly. No idea how to reject other than that. I think I am having very poor knowledge. 😖

      Lokesh Kamath

      J 1 Reply Last reply Sep 30, 2018, 3:08 PM Reply Quote 0
      • J
        johnpoz LAYER 8 Global Moderator @slkamath
        last edited by johnpoz Sep 30, 2018, 3:12 PM Sep 30, 2018, 3:08 PM

        @slkamath said in How to assign Domain Controller to VLAN Systems:

        What i understood was it will check 1st rule if it is not matching will go to 2nd like that so on.

        Exactly - but what is the point of allowing X, above a rule that allows ALL? And blocking something below a rule that allow ALL will never be evaluated.

        And yes there is a default deny that is not shown - so if you run through your rules and its not allowed then it will be blocked.

        Your block rules on the end of your quality net are pointless.. They would just be blocked by the default deny if not allowed above. So unless you wanted to specifically log them or reject them vs just deny those rules are pointless.

        What option do you have set in that allow to lan net? The gear symbol. That rule makes no sense because it allows all lan net, so what is the point of allowing to a specific lan IP?

        An intelligent man is sometimes forced to be drunk to spend time with his fools
        If you get confused: Listen to the Music Play
        Please don't Chat/PM me for help, unless mod related
        SG-4860 24.11 | Lab VMs 2.8, 24.11

        S 1 Reply Last reply Sep 30, 2018, 4:47 PM Reply Quote 0
        • S
          slkamath @johnpoz
          last edited by Sep 30, 2018, 4:47 PM

          @johnpoz
          Thank you very much.

          How to put default deny rule (please find the pic below is it correct)?

          Again did some changes.

          Quality-VLAN
          0_1538325663826_Quality VLAN.png

          Gear Symbol is for Upload & Download limit set so it shows that symbol. In LAN there are nearly 10 IP's. All VLAN has to access those IP's (Shared Folder, Network Printer, Backup, Domain Controller, Tally).

          LAN
          0_1538325683153_LAN.png

          Can you suggest any book or something so that i will get some knowledge to make it correct.

          Lokesh Kamath

          1 Reply Last reply Reply Quote 0
          • S
            stephenw10 Netgate Administrator
            last edited by Sep 30, 2018, 6:08 PM

            I suggest reading this chapter from the pfSense book:
            https://www.netgate.com/docs/pfsense/book/firewall/firewall-fundamentals.html

            Steve

            S 1 Reply Last reply Sep 30, 2018, 6:09 PM Reply Quote 0
            • S
              slkamath @stephenw10
              last edited by Sep 30, 2018, 6:09 PM

              @stephenw10
              Thank you Stephen.

              1 Reply Last reply Reply Quote 0
              • J
                johnpoz LAYER 8 Global Moderator
                last edited by johnpoz Oct 1, 2018, 11:04 AM Oct 1, 2018, 11:02 AM

                Did you post the wrong pic - your qual ne has the block rfc1918 and bogon again..

                Your lan rules everything below your any any is just pointless!! Not sure why this is so difficult to understand..

                Imagine a source IP:PORT and DESTIP:PORT and protocol - now run through your rules top to bottom.

                You have an ANY ANY rule - any protocol and source any dest.. So when would that rule not trigger and get to the safe_IP rule??

                When would something not trigger that any any rule and fall through to your block rules? Your any any allows ANY, so
                clearly ports 80 and 443 are part of ANY..

                If you don't want IPs getting to 80/443 then those rules go ABOVE your any any rule.. Those will then be blocked and other ports like say 123 would not trigger those rules and be allowed through the any any rule.

                An intelligent man is sometimes forced to be drunk to spend time with his fools
                If you get confused: Listen to the Music Play
                Please don't Chat/PM me for help, unless mod related
                SG-4860 24.11 | Lab VMs 2.8, 24.11

                S 1 Reply Last reply Oct 3, 2018, 8:31 AM Reply Quote 0
                • S
                  slkamath @johnpoz
                  last edited by slkamath Oct 3, 2018, 8:35 AM Oct 3, 2018, 8:31 AM

                  @johnpoz
                  Thank you Very Much

                  Sorry for the delay.

                  I made few changes. Please have a look. Also any mistake please guide me.

                  LAN - Allow Browsing is only for 5 IP's
                  0_1538554995442_LAN.png

                  LAN-UPDATED
                  0_1538555698922_LAN.png

                  Fin-VLAN
                  0_1538555019321_Fin-VLAN.png

                  Marketing-VLAN
                  0_1538555032187_Marketing-VLAN.png

                  Quality-VLAN
                  0_1538555045354_Quality-VLAN.png

                  One more issue that i am facing is
                  All the VLAN systems need to Disable & Enable the network to Send/Receive Mails or Accessing Shared Folder else share folder or mails will not work. (timeline of 2 to 5 min we need to disable & enable network)
                  Where I need to change this?

                  Lokesh Kamath

                  1 Reply Last reply Reply Quote 0
                  • S
                    stephenw10 Netgate Administrator
                    last edited by Oct 3, 2018, 4:23 PM

                    Looks like you still have an allow all rule on the Fin-VLAN interface that will catch all traffic before it hits any of the other rules.

                    Steve

                    S 1 Reply Last reply Oct 3, 2018, 6:34 PM Reply Quote 0
                    • S
                      slkamath @stephenw10
                      last edited by Oct 3, 2018, 6:34 PM

                      @stephenw10
                      Thank you Stephen.

                      I will change the Fin-VLAN. Thanks. Other VLAN is correct?

                      Lokeh Kamath

                      1 Reply Last reply Reply Quote 0
                      • S
                        stephenw10 Netgate Administrator
                        last edited by Oct 3, 2018, 7:09 PM

                        Well they don't look immediately wrong. Without knowing exactly what you need to do I can't say more than that.

                        Steve

                        S 1 Reply Last reply Oct 4, 2018, 5:46 AM Reply Quote 0
                        • S
                          slkamath @stephenw10
                          last edited by Oct 4, 2018, 5:46 AM

                          @stephenw10

                          Thank You Very Much Steve.

                          One more issue that i am facing is
                          All the VLAN systems need to Disable & Enable the network to Send/Receive Mails or Accessing Shared Folder else share folder or mails will not work. (timeline of 2 to 5 min we need to disable & enable network) Where I need to change this?

                          Lokesh Kamath

                          1 Reply Last reply Reply Quote 0
                          • S
                            stephenw10 Netgate Administrator
                            last edited by Oct 4, 2018, 5:16 PM

                            That does not seem like a pfSense setting.

                            Where are you enabling/disabling that?

                            Can they still reach websites etc without doing that?

                            Steve

                            S 1 Reply Last reply Oct 4, 2018, 5:53 PM Reply Quote 0
                            • S
                              slkamath @stephenw10
                              last edited by Oct 4, 2018, 5:53 PM

                              @stephenw10
                              Thank you Steve.

                              Without enable / Disable they cant use internet, mails, shared folder. In LAN there is no issue.

                              We are enabling / disabling in Client System Network.

                              Lokesh Kamath

                              1 Reply Last reply Reply Quote 0
                              • J
                                johnpoz LAYER 8 Global Moderator
                                last edited by Oct 4, 2018, 6:05 PM

                                that makes ZERO sense and has zero to do with pfsense.. Is your client getting a different IP, new info like dns, etc.. Pointing to pfsense when it wasn't before, etc.

                                An intelligent man is sometimes forced to be drunk to spend time with his fools
                                If you get confused: Listen to the Music Play
                                Please don't Chat/PM me for help, unless mod related
                                SG-4860 24.11 | Lab VMs 2.8, 24.11

                                1 Reply Last reply Reply Quote 0
                                • S
                                  stephenw10 Netgate Administrator
                                  last edited by Oct 4, 2018, 8:18 PM

                                  Mmm, I could believe it was a rogue dhcp server setting a bad gateway.

                                  Steve

                                  S 1 Reply Last reply Oct 5, 2018, 3:57 AM Reply Quote 0
                                  • S
                                    slkamath @stephenw10
                                    last edited by Oct 5, 2018, 3:57 AM

                                    @stephenw10
                                    Thank you very much Steve.

                                    I have not mentioned any Gateway in DHCP Server.

                                    Please find the below pictures.

                                    FIN-DHCP
                                    0_1538711320458_Finance DHCP.png

                                    FIN-DNS-GATEWAY
                                    0_1538711437781_DNS & Gateway.png

                                    Marketing DHCP
                                    0_1538711447104_Marketing DHCP.png

                                    Marketing-DNS-GATEWAY
                                    0_1538711458922_DNS & Gateway.png

                                    Purchase-DHCP
                                    0_1538711509385_Purchase DHCP.png

                                    Purchase-DNS-GATEWAY
                                    0_1538711518611_DNS & Gateway.png

                                    Moulding-DHCP
                                    0_1538711527342_Moulding DHCP.png

                                    Moulding-DNS-GATEWAY
                                    0_1538711535242_DNS & Gateway.png

                                    Quality_DHCP
                                    0_1538711544623_Quality DHCP.png

                                    Quality-DNS-GATEWAY
                                    0_1538711553691_DNS & Gateway.png

                                    Should I Specify Gateway? If Yes pfSense LAN IP is the Gateway right. Also Should I add pfSense LAN IP in Gateway (Routing - Gateway)?

                                    Lokesh Kamath

                                    S 1 Reply Last reply Oct 5, 2018, 5:33 AM Reply Quote 0
                                    • S
                                      slkamath @slkamath
                                      last edited by slkamath Oct 5, 2018, 5:35 AM Oct 5, 2018, 5:33 AM

                                      @stephenw10
                                      Thank you very much Steve.

                                      I had given Gateway as mentioned below to each VLAN, but not mentioned in Routing - Gateways Please guide me if anything wrong.

                                      Marketing DNS-GATEWAY
                                      0_1538717584757_Marketing DNS & Gateway.png

                                      Purchase DNS-GATEWAY
                                      0_1538717591964_Purchase DNS & Gateway.png

                                      Moulding DNS-GATEWAY
                                      0_1538717603411_Moulding DNS & Gateway.png

                                      Quality DNS-GATEWAY
                                      0_1538717687591_Quality DNS & Gateway.png

                                      Lokesh Kamath

                                      1 Reply Last reply Reply Quote 0
                                      • J
                                        johnpoz LAYER 8 Global Moderator
                                        last edited by johnpoz Oct 5, 2018, 10:18 AM Oct 5, 2018, 10:17 AM

                                        Dude who told you to put in a gateway - there is ZERO reason to do that. What he stated was there might a ROGUE dhcp server handing out the WRONG info!!

                                        An intelligent man is sometimes forced to be drunk to spend time with his fools
                                        If you get confused: Listen to the Music Play
                                        Please don't Chat/PM me for help, unless mod related
                                        SG-4860 24.11 | Lab VMs 2.8, 24.11

                                        S 1 Reply Last reply Oct 5, 2018, 1:09 PM Reply Quote 0
                                        • S
                                          slkamath @johnpoz
                                          last edited by Oct 5, 2018, 1:09 PM

                                          @johnpoz
                                          Thank you very much John.

                                          I will remove that immediately.

                                          @johnpoz, @stephenw10
                                          I do not have any idea on that. please guide me.

                                          Lokesh Kamath

                                          1 Reply Last reply Reply Quote 0
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