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    Unable to Access WebConfigurator UI and Unable to SSH into pfsense

    Scheduled Pinned Locked Moved General pfSense Questions
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    • johnpozJ
      johnpoz LAYER 8 Global Moderator @dougs
      last edited by johnpoz

      @dougs if console shows running.. did you try another IP, its possible you blocking or removed the antilock out rule? You could look back through your config changes via console and rollback, or try a different IP, like pfsense wan IP..

      if your on the console can you access ssh or webgui via cmd line, if so then points to a firewall rule blocking..

      So for example, can you do say something like this.

      ssh.jpg

      That shows you that ssh is running and responding, so if you can not get there from a client points to a firewall sort of issue.

      Same goes with webgui, you can use curl - do you get a response at all? Using the port your webgui listens on, mine is on 8443 for example

      www.jpg

      As to rolling back a config change

      config.jpg

      An intelligent man is sometimes forced to be drunk to spend time with his fools
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      • stephenw10S
        stephenw10 Netgate Administrator
        last edited by

        You might also have something dynamic blocking you like Snort/Suricata or some pfBlocker update that pulled in a bad list.

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        • D
          dougs
          last edited by

          I was able to ssh into the firewall from the console as described above. I also was able to get a response using the curl command as described above.

          Yes, pfBlockerNG and Suricata are running on this firewall although Suricata is not in the blocking mode.

          I see that there is a command in the console menu (#15) to restore from a previous configuration backup. However, when I list these backups I can only see the last 7 backups and these are one hour apart starting about an hour and 15 minutes ago. How can I see the rest of the 30 backups? The reason for each of the 7 most recent backups that I could see on the screen is "pfblockerNG: saving Unbound custom options". This leads me to suspect there might be something wonky going on with pfblockerNG...

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          • johnpozJ
            johnpoz LAYER 8 Global Moderator @dougs
            last edited by

            @dougs yeah pfblocker loves to do that - I keep meaning to look into a way to stop it, or change how often it does it.. Part of the reason I changed my number to 100 hehehe

            I would consider an update to items in a list or alias to be a config change.. That it makes constant changes to your config backup could be problematic for sure, especially when they happen often.. If it was once a day, or only when you actually interacted with the config via the pfblocker gui, etc.

            If you have the antilock out rule enabled, it should be impossible for pfblocker to create a rule that would lock you out.

            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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            • D
              dougs
              last edited by

              There's an anti-lockout rule in place so I shouldn't be locked out. However, I am!

              I haven't made any changes to pfblockerNG in days.

              It looks like I might need to do a reset to defaults and restore from a backup, yes? I'm fine with doing that as long there isn't any other easier way of remedying this! I just have to work around my wife! She thinks everything is fine as long as she has a working Internet connection! :)

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              • stephenw10S
                stephenw10 Netgate Administrator
                last edited by

                Yup the anti-lockout rule should apply before anything pfBlocker does if it's present.

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                • D
                  dougs
                  last edited by

                  How can I verify if the anti-lock out rule is in effect or not from the console?

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                  • D
                    dougs
                    last edited by dougs

                    I'm reviewing this page: https://docs.netgate.com/pfsense/en/latest/troubleshooting/locked-out.html

                    If I enable WAN access to the firewall as follows: #pfSsh.php playback enableallowallwan, would this still require that one authenticate in order to access the Web GUI? I don't want to open the door to the whole wide world if such authentication isn't needed!

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                    • S
                      SteveITS Galactic Empire @dougs
                      last edited by

                      @dougs Yes it still needs the password.

                      To be clear the anti lockout rule is a firewall rule...it controls whether the client can connect to the web server or not, not whether one can log in. If you see an SSH prompt or web page then the firewall isn't blocking you.

                      Pre-2.7.2/23.09: Only install packages for your version, or risk breaking it. Select your branch in System/Update/Update Settings.
                      When upgrading, allow 10-15 minutes to restart, or more depending on packages and device speed.
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                      • stephenw10S
                        stephenw10 Netgate Administrator
                        last edited by

                        Yes you still have to authenticate but doing that adds pass rules on the WAN which you probably don't want as you say.

                        Try running: pfctl -vvsr | grep -A 4 anti
                        That will show you if the antilock rules are present and if they are opening states and passing packets.

                        You can add a pass rule to LAN using easyrule if you have to.
                        https://docs.netgate.com/pfsense/en/latest/firewall/easyrule.html

                        Do you use policy routing at all? With gateways set on the rules? That can end up bypassing the firewall itself.

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                        • D
                          dougs
                          last edited by

                          Running "pfctl -vvsr | grep -A 4 anti" gave me this: https://imgur.com/a/fgXHIEx Looks like the anti-lock out rule is in effect, yes?

                          I tried:

                          #easyrule pass lan tcp <my computer IP addr> <firewall LAN addr> 443
                          

                          Didn't work for both Web GUI and ssh . Is this easyrule only for WAN addresses?

                          I'm not familiar with policy routing so I would imagine it's not being used here.

                          johnpozJ 1 Reply Last reply Reply Quote 0
                          • johnpozJ
                            johnpoz LAYER 8 Global Moderator @dougs
                            last edited by

                            @dougs said in Unable to Access WebConfigurator UI and Unable to SSH into pfsense:

                            I'm not familiar with policy routing so I would imagine it's not being used here.

                            Did you have rules with a gateway selected, or is the gateway just an *

                            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
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                            • D
                              dougs
                              last edited by

                              Not sure. I might have had an alias pointing to the firewall and used that in some rules instead of an asterisk. We use only one ISP so one gateway.

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                              • S
                                SteveITS Galactic Empire @dougs
                                last edited by

                                @dougs said in Unable to Access WebConfigurator UI and Unable to SSH into pfsense:

                                The reason for each of the 7 most recent backups that I could see on the screen is "pfblockerNG: saving Unbound custom options". This leads me to suspect there might be something wonky going on with pfblockerNG

                                Pretty sure it saves a new config every time an update runs. (I would think, because it's regenerating rules)

                                Pre-2.7.2/23.09: Only install packages for your version, or risk breaking it. Select your branch in System/Update/Update Settings.
                                When upgrading, allow 10-15 minutes to restart, or more depending on packages and device speed.
                                Upvote 👍 helpful posts!

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                                • johnpozJ
                                  johnpoz LAYER 8 Global Moderator @dougs
                                  last edited by

                                  @dougs said in Unable to Access WebConfigurator UI and Unable to SSH into pfsense:

                                  We use only one ISP so one gateway.

                                  Talking about your lan side rules, do you have say your wan_dhcp selected?

                                  example..

                                  policyroute.jpg

                                  See where the gateway is called out - that would be policy routing.

                                  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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                                  • D
                                    dougs
                                    last edited by

                                    I don't believe we manipulate the gateway address in that fashion.

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                                    • johnpozJ
                                      johnpoz LAYER 8 Global Moderator @dougs
                                      last edited by

                                      @dougs said in Unable to Access WebConfigurator UI and Unable to SSH into pfsense:

                                      I don't believe

                                      Prob behoove you to double check, you never know what gets set sometime - I agree normally you wouldn't have this set unless you had a specific reason. But you would be surprised how many posts end up being they are doing PBR is the cause they can't get some other vlan, etc.

                                      And even if you were doing it, it shouldn't prevent access with antilock which would be evaluated first.

                                      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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                                      • stephenw10S
                                        stephenw10 Netgate Administrator
                                        last edited by

                                        @dougs said in Unable to Access WebConfigurator UI and Unable to SSH into pfsense:

                                        https://imgur.com/a/fgXHIEx

                                        Yes that shows the anti-lockout rules are present on LAN. But also that they have passed nothing; 0 bytes/packets/states.

                                        So either some other rule is passing them. Somehow. Or maybe the traffic never reaches pfSense. Or perhaps it's being forwarded.

                                        You could try running a tcpdump from the CLI while you try to connect to confirm it's at least trying.

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                                        • johnpozJ
                                          johnpoz LAYER 8 Global Moderator @stephenw10
                                          last edited by

                                          @stephenw10 said in Unable to Access WebConfigurator UI and Unable to SSH into pfsense:

                                          CLI while you try to connect to confirm it's at least trying

                                          could be sending it to something else.. sniff is yeah what I would do - have access to console, sniff on pfsense itself to validate traffic gets there.

                                          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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                                          • D
                                            dougs
                                            last edited by

                                            About a week ago, I decided to reset the pfSense firewall to factory defaults from the console menu and left it running without changing any configuration options aside from setting the WAN/LAN interfaces, modifying the console dashboard and creating a DHCP server IP address range. Everything else was left as is.

                                            I was able to access the Web GUI for a couple days. Just 2 days ago, I discovered I could not access it nor could I ssh into it!

                                            Restarting the Web Configurator does not allow me to access the firewall web site.

                                            Executing pfctl -vvsr | grep -A 4 anti shows this:
                                            PXL_20240114_163414107_2024-01-14_08-40-18.jpg
                                            https://imgur.com/a/J2mbVCx

                                            Tried running: #easyrule pass lan tcp <my computer IP addr> <firewall LAN addr> 443 and it states the rule was successfully created. However, I cannot access the LAN address of the firewall nor could I ping it from the computer IP address. Tried it from another computer with similar results.

                                            Did a zpool scrub pfSense and did not indicate any errors.

                                            Every system on the LAN side can access the Internet normally-- including our Samsung TV sets and an Enphase IoT device among others.

                                            This is on an older Protectli FW6C purchased in 2021. https://protectli.com/wp-content/uploads/2019/01/FW6C-Datasheet-190104.pdf

                                            At this point, I am not sure what else to do aside from reformatting the drive and starting all over again. Please advise.

                                            johnpozJ 1 Reply Last reply Reply Quote 0
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