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    Many blocked IP from the same person?

    Scheduled Pinned Locked Moved General pfSense Questions
    30 Posts 8 Posters 4.3k Views
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    • johnpozJ Offline
      johnpoz LAYER 8 Global Moderator
      last edited by

      its noise from your isp.. And the default rule of block private on wan is logging it..  Its just dhcp noise.. yeah you can see that from other users of your isp, etc.  if was me I would just turn off logging of it - its going to fill up your logs..

      Want to see more noise look at all the arps your seeing as well ;)

      But your saying your seeing 50K packets?  in what span of time?  That box really wants to renew its ip.. Do you have public on your wan?  or do you have a private 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

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      • K Offline
        killmasta93
        last edited by

        lolz the past 4 days crazy picture. But you know whats funny my lSP modem somehow has 2 static IP one is the 181.xxx.xx.xx and I have another network which is 201.xx.xx.xx. not sure how i got this well..originally my 201.xxx.xx.xx I bought static but when I started to put windows server and pfSense I wanted to separate to do tests so i would not mess up my main network, so then i connected to port 2 on the lSP modem to the pfSense and got another IP.  ;D

        Clipboarder.2015.08.28-003.png
        Clipboarder.2015.08.28-003.png_thumb

        Tutorials:

        https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

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        • johnpozJ Offline
          johnpoz LAYER 8 Global Moderator
          last edited by

          port 2 on the modem?  Not a modem then its a gateway.  So do you have these publics on your pfsense WAN or is pfsense private natted behind your "modem"

          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

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          • K Offline
            killmasta93
            last edited by

            I think you are right its a gateway. The gateway that i have is a technicolor heres a pic of the setup

            Drawing2.jpg
            Drawing2.jpg_thumb

            Tutorials:

            https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

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            • johnpozJ Offline
              johnpoz LAYER 8 Global Moderator
              last edited by

              still didn't really answer my question.. Does pfsense actually have a public on its interface, same with your netgear dd-wrt or are they on a natted network from your isp gateway??

              go to pfsense interfaces..

              waninterface.png
              waninterface.png_thumb

              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

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              • K Offline
                killmasta93
                last edited by

                Yep it does, Also by the way i have been trying to block that IP but without the logs i tried
                Disable the checkbox "block RFC1918" on the WAN-config page.
                Create an alias containing 10.0.0.0/8, 172.16.0.0/12 and 192.198.0.0/16.
                Create on your WAN a new block-rule with as source any and as destination the previously created alias.

                But no luck  :(

                Clipboarder.2015.08.28-010.png
                Clipboarder.2015.08.28-010.png_thumb
                Clipboarder.2015.08.28-009.png
                Clipboarder.2015.08.28-009.png_thumb
                Clipboarder.2015.08.28-008.png
                Clipboarder.2015.08.28-008.png_thumb
                Clipboarder.2015.08.28-006.png
                Clipboarder.2015.08.28-006.png_thumb

                Tutorials:

                https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

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                • DerelictD Offline
                  Derelict LAYER 8 Netgate
                  last edited by

                  Disable the checkbox "block RFC1918" on the WAN-config page.
                  Create an alias containing 10.0.0.0/8, 172.16.0.0/12 and 192.198.0.0/16.
                  Create on your WAN a new block-rule with as source any and as destination the previously created alias.

                  That's because the traffic into your WAN is sourced from the address in question and destined for your WAN address.  You have pass source any dest RFC1918 so it's not going to match.

                  What you want is to leave the block RFC1918 traffic enabled on WAN.

                  If you don't want to see it logged, either put another block rule for the specific source IP address on WAN without logging (put it at the top) or turn off the logging for those block rules in Status > System Logs > Settings

                  Chattanooga, Tennessee, USA
                  A comprehensive network diagram is worth 10,000 words and 15 conference calls.
                  DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
                  Do Not Chat For Help! NO_WAN_EGRESS(TM)

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                  • K Offline
                    killmasta93
                    last edited by

                    thanks silly me  ;D

                    Tutorials:

                    https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

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                    • johnpozJ Offline
                      johnpoz LAYER 8 Global Moderator
                      last edited by

                      So who says its not your gateway sending out that traffic?  What makes no sense is that 50K packets would come from the SAME ip.. Seems like a bug in the dhcp client.. That would not be a discover packet but a renew packet since its sourced from IP and not 0.0.0.0

                      I would take it coming from your gateway device. What is the mac of the packet..  Does it match up to what your gateway device is?  Is your ddwrt device seeing these packets?

                      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

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                      • K Offline
                        killmasta93
                        last edited by

                        well i ran wireshark on both network. But nothing from that IP but I think your right the gateway is trying to renew its IP from the 181.xx.xxx because originally its not static maybe that could be the cause?

                        Also had to uncheck on settings logs the option of Log packets blocked by 'Block Private Networks' rules for it not to log that 10.141.5.1

                        Thank you

                        Clipboarder.2015.08.29-003.png
                        Clipboarder.2015.08.29-003.png_thumb
                        Clipboarder.2015.08.29-002.png
                        Clipboarder.2015.08.29-002.png_thumb

                        Tutorials:

                        https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

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                        • johnpozJ Offline
                          johnpoz LAYER 8 Global Moderator
                          last edited by

                          those are different source macs… Where did you sniff that at?  pfsense wan?  Are you seeing 50K of those packets again?

                          00:24:b2 is netgear.. hat is prob its lan with that 192.168.1.1

                          that other mac is

                          Hon Hai Precision Ind.Co.Ltd
                          Address
                              Taipei Hsien 236
                              TAIWAN, PROVINCE OF CHINA
                          Range
                              D0:27:88:00:00:00 - D0:27:88:FF:FF:FF
                          Type
                              IEEE MA-L

                          Which have no idea what that is..

                          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

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                          • K Offline
                            killmasta93
                            last edited by

                            yeah my bad i forgot to sniff the gateway from my lSP now i see the DHCP renewing but not the 50k packets. Im pretty sure my lSP is trying to renew my WAN of the 181.xx.xx.xx  :(

                            Also whats curious is that my gateway is on bridge mode which in theory It should not give me DHCP when connecting though wifi to my lSP gateway?
                            Or am i Completely  wrong?

                            Clipboarder.2015.08.30.png_thumb
                            Clipboarder.2015.08.30.png
                            Clipboarder.2015.08.30-002.png
                            Clipboarder.2015.08.30-002.png_thumb

                            Tutorials:

                            https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

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                            • johnpozJ Offline
                              johnpoz LAYER 8 Global Moderator
                              last edited by

                              Your isp doesn't renew anything  A client when about 50 of its lease or when told to via dhcp options will attempt to renew.. This comes from the dhcp client.

                              Why are you showing what looks like public IP but then also 10.141.51.1 address?  So is it getting renewed or is it sending every few seconds still?

                              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

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                              • K Offline
                                killmasta93
                                last edited by

                                so the public IP is the 201.xx.xx.xx im not sure why it shows 10.141.5.1 now heres the weird part So I can also connect though WIFI to the gateway and and shows something totally different. see Picture. Also the 10.141.5.1 I have it turned off the logging im sure its still blocking.
                                is this even possible to have this IP? Im just confused how I have internet when the gateway is on bridge mode and I am able to connect directly though WIFI.

                                Clipboarder.2015.08.30-015.png
                                Clipboarder.2015.08.30-015.png_thumb

                                Tutorials:

                                https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

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                                • johnpozJ Offline
                                  johnpoz LAYER 8 Global Moderator
                                  last edited by

                                  that is a public IP with a very large mask /18 man that is big mask.. Yeah if ts bridge mode you would get IP from isp over wireless..  Normally you only get 1 IP.. It seems odd that you have 2 different IP blocks there you were seeing.

                                  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

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                                  • K Offline
                                    killmasta93
                                    last edited by

                                    its very weird  :o but on the bright side I got 2 static public IP  ;D

                                    Thanks again Johnpoz for all the help  :)

                                    Tutorials:

                                    https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

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                                    • F Offline
                                      firewalluser
                                      last edited by

                                      You might find one is actually static for server hosting purposes like web & email, remote access/vpn etc, the other if in a different range is variable so you can surf the web with an element of privacy, at least thats what UK ISP's do anyway, but as I also discovered when ISP's hand out an IP block when ordering a single static ip, the ISP have in fact given all the ip's in the block. Whether your ISP have done this if its so large, only you can find out by setting up pfsense to accept incoming on the other ip's in that block, or they may have some other setup upstream to restrict you to one ip.

                                      Have a poke a round if interested in finding out.

                                      Capitalism, currently The World's best Entertainment Control System and YOU cant buy it! But you can buy this, or some of this or some of these

                                      Asch Conformity, mainly the blind leading the blind.

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