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    To 2.5.0 or not ? that is the question :)

    Scheduled Pinned Locked Moved General pfSense Questions
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    • stephenw10S Offline
      stephenw10 Netgate Administrator
      last edited by

      What is your WAN type?

      How is it failing? The actual link goes down? Not pulling an IP?

      Steve

      buggzB 1 Reply Last reply Reply Quote 0
      • buggzB Offline
        buggz @stephenw10
        last edited by

        @stephenw10
        EVERYTHING, EXCEPT the LAN Traffic Monitor works.
        I changed the time on my Win10 box, it has the Chrome interface to the pfSense box, and the WAN Traffic Monitor recovered, now works. That was strange.
        LAN Traffic Monitor is still NOT working.
        Though, worked great in the previous release.
        Tried Firefox, still no go.

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        • stephenw10S Offline
          stephenw10 Netgate Administrator
          last edited by

          Like the traffic graphs? Can we see a screenshot?

          We have seen problems there before with a bad timezone.

          Steve

          buggzB 1 Reply Last reply Reply Quote 1
          • buggzB Offline
            buggz @stephenw10
            last edited by

            @stephenw10
            33a8a341-640b-41d0-aea2-bc5a781f6fbf-image.png

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            • stephenw10S Offline
              stephenw10 Netgate Administrator
              last edited by

              Ah, yes sorry I conflated some topics there 🙄

              Hmm, do you see the interface stats incrementing for LAN? What driver is it?

              Steve

              buggzB 1 Reply Last reply Reply Quote 0
              • buggzB Offline
                buggz @stephenw10
                last edited by buggz

                @stephenw10
                Yes, Interface Statistics is updating.

                Intel OEM I350-T4

                dmesg shows it is using:
                igb0: <Intel(R) PRO/1000 PCI-Express Network Driver> mem 0xf7b00000-0xf7bfffff,0xf7c0c000-0xf7c0ffff irq 16 at device 0.0 on pci2

                Hmm, I can't remember what driver the former release used...

                pfworker79P 1 Reply Last reply Reply Quote 0
                • pfworker79P Offline
                  pfworker79 @buggz
                  last edited by pfworker79

                  @buggz I'm facing issues using VLAN's with v2.5.0, where all VLAN tagged interfaces reports some output errors. Seems it has something to do with the 'igb' driver and IPv6. It doesn't affect the performance in any noticeable way, but it wasn't present in v2.4.5. After some research, it seems to do with the Intel 'igb' driver bundled with FreeBSD 12.2-STABLE. Following is a link to others facing the same problem:

                  https://github.com/opnsense/src/issues/74

                  I'm not experiencing problems with the traffic graphs, but maybe this got something to do with it. Hope this gets fixed in the next release.

                  1 Reply Last reply Reply Quote 2
                  • stephenw10S Offline
                    stephenw10 Netgate Administrator
                    last edited by

                    Hmm, that doesn't seem to be generally the case. I have a whole bunch of boxes with igb NICs and VLANs and haven't noticed anything . Of course now I'm going to go digging....

                    But that seems unlikely to be related to this graphing issue.

                    Steve

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                    • buggzB Offline
                      buggz
                      last edited by

                      Wow, and now LAN Traffic Graph magically works for the first time.
                      I did update ntopng to the latest, but it didn't work then.
                      Does now on reboot.

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                      • stephenw10S Offline
                        stephenw10 Netgate Administrator
                        last edited by

                        Still in 2.5.0 or 2.5.1-RC snapshots?

                        Steve

                        Q buggzB 2 Replies Last reply Reply Quote 0
                        • Q Offline
                          q54e3w @stephenw10
                          last edited by q54e3w

                          Is wireguard being pulled from 2.5.1? I wasn’t able to update to latest RC (2.5.1.r.20210320.0824 ) due to having 'wireguard tunnels enabled'. I understood it was being pulled from the kernel until the version Jason is currently developing is integrated into FreeBSD (13.2?), but I assumed the Netgate funded version would remain in pfSense until that swap could be made as the security implications were only a concern if admin access had already been compromised?

                           0) Logout (SSH only)                  9) pfTop
                           1) Assign Interfaces                 10) Filter Logs
                           2) Set interface(s) IP address       11) Restart webConfigurator
                           3) Reset webConfigurator password    12) PHP shell + pfSense tools
                           4) Reset to factory defaults         13) Update from console
                           5) Reboot system                     14) Disable Secure Shell (sshd)
                           6) Halt system                       15) Restore recent configuration
                           7) Ping host                         16) Restart PHP-FPM
                           8) Shell
                          
                          Enter an option: 13
                          
                          ERROR: There are WireGuard tunnels enabled on your config.  Please remove or disable them before proceed.
                          
                          yon 0Y 1 Reply Last reply Reply Quote 0
                          • buggzB Offline
                            buggz @stephenw10
                            last edited by

                            @stephenw10
                            2.5.0 for me.

                            buggzB 1 Reply Last reply Reply Quote 0
                            • buggzB Offline
                              buggz @buggz
                              last edited by

                              I give up, now broken again.
                              I wont report no more, as I am certain everyone, and me, is tired of hearing from a "whiner".

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                              • yon 0Y Offline
                                yon 0 @q54e3w
                                last edited by

                                @q54e3w

                                i agree. i think shouldnt give up wireguard now. this bug main is kernel, linux kernel report fixed this. Don't give up eating because of choking.

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                                • AKEGECA Offline
                                  AKEGEC
                                  last edited by

                                  If I may suggest for users who experienced bugs, just do a clean install 2.5.0 or you could try 2.5.1 (for testing purpose only) please note no WireGuard:
                                  https://snapshots.netgate.com/amd64/pfSense_RELENG_2_5_1/installer/
                                  Then do re-configure from the scratch.

                                  About WireGuard, in my opinion there was some miscommunication between Netgate team and Jason A. Donenfeld (WireGuard). I really hope they would come to some agreement that benefit for their users and not waiting until June.

                                  Here is a full statement from Jason A. Donenfeld :

                                  Hi everybody,
                                  
                                  I’m pleased to announce that WireGuard now runs inside the FreeBSD
                                  kernel, with a driver called if_wg. It has full support of wg(8) and
                                  wg-quick(8) [5], as well as general integration into FreeBSD userland.
                                  Performance should be decent. The implementation in FreeBSD’s main
                                  branch should pretty much work, though it’s something of a so-so work in
                                  progress. To learn what I mean there, read on…
                                  
                                  Sometime ago, a popular firewall vendor tasked a developer with writing
                                  a WireGuard implementation for FreeBSD. They didn’t bother reaching out
                                  to the project. That’s okay, I figured, I’ll reach out and see if I can
                                  help and coordinate. What followed over the next year was a series of
                                  poor communications – messages unanswered, code reviews ignored, that
                                  kind of thing. Usually collaborations I’ve had with others have been
                                  full of excitement, but it just didn’t work out here. In the few
                                  discussions we were able to have, I did get across some key points,
                                  like, “you’ll save a bunch of time if you use the OpenBSD code as a
                                  starting point.” But mostly it seemed like a stop-and-go effort that the
                                  WireGuard project didn’t have much to do with. Then, at some point,
                                  whatever code laying around got merged into the FreeBSD tree and the
                                  developer tasked with writing it moved on.
                                  
                                  Fortunately, two weeks before FreeBSD 13.0 was due to be released,
                                  FreeBSD core developer Kyle Evans emailed the list about integrating
                                  wireguard-tools (wg(8) and such). In the ensuing discussion I mentioned
                                  that we really need to get the actual if_wg kernel implementation up to
                                  snuff. We took the conversation to IRC, and agreed that we should work
                                  on figuring out what to do before the release date. At the same time,
                                  Matt Dunwoodie, who worked on the OpenBSD implementation, also took a
                                  look at what had become of that implementation in FreeBSD. Over the next
                                  week, the three of us dug in and completely reworked the implementation
                                  from top to bottom, each one of us pushing commits and taking passes
                                  through the code to ensure correctness. The result was [6]. It was an
                                  incredible effort. The collaboration was very fast paced and exciting.
                                  Matt and Kyle are terrific programmers and fun to work with too.
                                  
                                  The first step was assessing the current state of the code the previous
                                  developer had dumped into the tree. It was not pretty. I imagined
                                  strange Internet voices jeering, “this is what gives C a bad name!”
                                  There were random sleeps added to “fix” race conditions, validation
                                  functions that just returned true, catastrophic cryptographic
                                  vulnerabilities, whole parts of the protocol unimplemented, kernel
                                  panics, security bypasses, overflows, random printf statements deep in
                                  crypto code, the most spectacular buffer overflows, and the whole litany
                                  of awful things that go wrong when people aren’t careful when they write
                                  C. Or, more simply, it seems typical of what happens when code ships
                                  that wasn’t meant to. It was essentially an incomplete half-baked
                                  implementation – nothing close to something anybody would want on a
                                  production machine. Matt had to talk me out of just insisting they pull
                                  the code entirely, and rework it more slowly and carefully for the next
                                  release cycle. And he was right: nobody would have agreed to do that,
                                  and it would only have fostered frustration from folks genuinely
                                  enthusiastic about if_wg. So our one and only option was to iteratively
                                  improve it as fast as we could during the two weeks before release, and
                                  try to make it as simple and close as possible to OpenBSD so that we
                                  could benefit from the previous analysis done there. With that as our
                                  mission, we set out auditing and rewriting code.
                                  
                                  One curious thing of note is that there were 40,000 lines of optimized
                                  crypto implementations pulled out of the Linux kernel compat module but
                                  not really wired up correctly, and mangled beyond repair with mazes of
                                  Linux→FreeBSD ifdefs. I wound up replacing this with an 1,800 line file,
                                  crypto.c [1], containing all of the cryptographic primitives needed to
                                  implement WireGuard. Aside from its place in the FreeBSD story, this is
                                  kind of neat in its own right: these are simple, but fast enough,
                                  reference implementations. It’s not deliberately tiny or obfuscated like
                                  TweetNaCl is, yet is still just a single file, and the Curve25519 field
                                  arithmetic in it is formally verified. Maybe other projects will find
                                  use for it. Future releases will hopefully get rid of crypto.c and hook
                                  into FreeBSD’s already existing optimized implementations [4], which
                                  should give a nice performance boost, but given the time crunch, having
                                  something boring, safe, and simple seemed like the way to go.
                                  
                                  We reduced the project structure down to four C files – the
                                  aforementioned crypto.c, two files copied verbatim from OpenBSD –
                                  wg_noise.c and wg_cookie.c – and if_wg.c, the actual interface device
                                  driver implementation and protocol logic. The IPC interface was reworked
                                  as well, and wg(8) in the wireguard-tools package grew support for it
                                  (also rewritten from the original attempt). The three of us spent
                                  countless hours across three time zones auditing state machine logic,
                                  running trials,  and generally trying to get this working and workable.
                                  There are now even a few automated tests!
                                  
                                  I think we’ve mostly succeeded in producing something that behaves like
                                  WireGuard. The net result certainly isn’t perfect, though – the Linux
                                  and OpenBSD implementations were long, careful, slow projects by
                                  comparison – but it is at least a base on which to build and improve
                                  over time. Going forward, I think there’ll be additional systems coding
                                  issues to work out – locking, lifetimes, races, and that sort of thing.
                                  But now that there’s at least a stable base, developers can work out
                                  remaining issues incrementally.
                                  
                                  But perhaps this is a good moment to step back and ask how we got here,
                                  and what WireGuard itself really is.
                                  
                                  Traditionally, network protocols are specified in a document of protocol
                                  behaviors. Then different organizations implement that specification.
                                  Then everybody interoperates and all goes well. In practice, it often
                                  doesn’t go well (see IPsec woes), but this at least has been the
                                  traditional way of doing this on the Internet, and in some ways it
                                  works.
                                  
                                  But that is not the approach taken by the WireGuard project. In
                                  contrast, WireGuard is both a protocol and a set of implementations,
                                  implemented with a particular set of security and safety techniques.
                                  That’s a radical departure from the traditional model, and one surely to
                                  raise some grumbles amongst graybeards. But I believe this is a
                                  necessary and beneficial quality for having the types of high assurance
                                  software that is needed for core Internet security infrastructure. When
                                  you use WireGuard, you’re not just using some protocol that is capable
                                  of producing packets that are legible by others. You’re also using an
                                  implementation that’s been designed to avoid security pitfalls, and that
                                  provides interfaces for using it that mitigate footguns. In that way,
                                  the WireGuard project is more expansive than a mere protocol project or
                                  a mere software project or a mere cryptography project or a mere
                                  specification project or a mere interface project. It combines all of
                                  those things into a single unified approach. (For this same reason, the
                                  original WireGuard paper [2] has been difficult for folks to categorize.
                                  Is this a systems paper? A networking paper? A crypto paper?)
                                  
                                  Because of that, I think this was an understandable predicament. After
                                  all, why shouldn’t a company be able to task a developer with writing
                                  some ring-0 WireGuard code in C? And why does it matter to me whether
                                  the code is garbage if it can at least produce protocol packets? The
                                  reason is that the WireGuard project’s mission is wider than that. We
                                  deeply care about code quality and implementation particulars.
                                  
                                  While we now have the FreeBSD code in a maintainable state, there are
                                  other projects too that could use some attention from us. Looking
                                  forward, for example, we hope to be able to lend a hand similarly to the
                                  NetBSD developers soon to help them finish their implementation; this is
                                  long overdue on my part, and I owe them some time and energy there. And
                                  I hope that others don’t hesitate to email the list asking for
                                  collaboration. This kind of thing is, of course, one of the reasons that
                                  the project as an organization exists.
                                  
                                  To return to the primary announcement, I had originally hoped to say
                                  that this would be shipping for 13.0, and have some instructions for
                                  setup there, but unfortunately, and contrary to our plans, it looks
                                  exceedingly likely that given the grave issues we found in the existing
                                  code, they’ll in the end just disable the module from the release, and
                                  revisit for 13.1, rather than merging our fixes a few short days before
                                  the release. That’s a bit of a bummer, given how hard we worked to get
                                  things done in the time crunch, but it’s also probably a very wise
                                  decision that takes some courage to make, and this will give us more
                                  time to really get this rock solid for 13.1.
                                  
                                  As well, hopefully we’ll have backport modules for the 13.0 and 12.y
                                  release, making it as available as possible. Kyle or I will update the
                                  list when  we’ve got a standalone backport module ready, with
                                  instructions, as well as updating [3] per usual. There’s also ongoing
                                  work to integrate WireGuard interface setup into rc, and hopefully that
                                  will land during the the next release window, as well as the
                                  aforementioned improvements to optimized crypto and systems issues.
                                  
                                  Enjoy,
                                  Jason
                                  
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