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    2.2 Upgrade brakes admin password with German Umlaut ö

    Scheduled Pinned Locked Moved Problems Installing or Upgrading pfSense Software
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    • N Offline
      new2bsd
      last edited by

      @doktornotor:

      mutters something about shooting yourself in foot and moves on

      Not helpful :-(

      As I said I get this log in 2.1.5 also with passwords that work after the upgrade!
      Please enlighten me.

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      • D Offline
        doktornotor Banned
        last edited by

        Yes. Do not use stupid characters in passwords. Do not use stupid characters in usernames that are supposed to be used across platforms either. Stuff like these funny POSIX portable filename character set or POSIX user name restrictions exist for a reason. Beyond that, typing these characters somewhere is internet cafe with a keyboard missing those characters is a huge "fun" as well.

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        • N Offline
          new2bsd
          last edited by

          Weirdly enough I partially agree with you.
          So let’s state in the manual we allow only these characters to be used.

          But the real world works different, as you can see from Chris Buechlers answer here:

          https://redmine.pfsense.org/issues/4201

          I did hope somebody else could confirm this problem.

          Nobody there but me?

          So maybe you are right and I’m the only idiot who shoot himself in the foot but at least I learned something.

          Thought it was worth to share my pain in this forum.  ;)

          P.S.: Using a PC in an Internet Cafe, you are joking, now you shoot yourself in the foot.  :D

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          • stephenw10S Offline
            stephenw10 Netgate Administrator
            last edited by

            I agree with you. If those characters are not allowed then fine just declare that and reject them. The issue here is that only are they allowed but that also they appear to work fine, in both versions. Somewhere in the chain the method by which the password hash in generated from the entered password has subtly changed. This seems like a bug to me, have you created a bug report on redmine?

            Steve

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            • N Offline
              new2bsd
              last edited by

              No.
              I'm waiting for someone to confirm it.

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              • stephenw10S Offline
                stephenw10 Netgate Administrator
                last edited by

                Ok, I'll try to do that this evening.

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                • R Offline
                  robi
                  last edited by

                  @doktornotor:

                  Do not use stupid characters in passwords.

                  OFF
                  Titling such characters "stupid" is a bit tough statement. Please don't state them as stupid, because people using them as part of their language and culture may get offended.
                  “In 1776, one vote gave America the English language instead of German.”
                  ON

                  Additionally: using such characters in a password is recommended where possible IMHO, as the chances to break them decrease substantially, simply looking at the simple fact that brute force attackers have to test and try a bigger character set than simply English (I admit that's just my paranoia though, but hey… never say never).

                  It's the responsibility of the end users what passwords they use, pfSense should handle properly these characters too, if not stated otherwise.

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                  • jahonixJ Offline
                    jahonix
                    last edited by

                    @doktornotor:

                    Yes. Do not use stupid characters in passwords. Do not use stupid characters in usernames …

                    These characters are regular characters in other parts of the world. Just because you don't have them does not mean they are stupid. Your ignorance is smelling badly! Period.

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                    • D Offline
                      doktornotor Banned
                      last edited by

                      @jahonix:

                      These characters are regular characters in other parts of the world. Just because you don't have them does not mean they are stupid.

                      Yeah. So are Chinese. Or Arabic. Or whatever. How much testing you think e.g. usage of Chinese chars in password, PSKs or similar has received in pfSense? Can pretty accurately estimate it to zero. People have better things to do with their limited time, really, or even have no way to test such stuff. Still feel like shooting yourself in foot? Enjoy.

                      (Anything pre-2.2 was using ISO-8859-1, not UTF-8. Anything outside Latin-1 charset got mangled badly as soon as you did hit the Apply/Save/whatever button - numerous examples can be found on Redmine.)

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                      • N Offline
                        new2bsd
                        last edited by

                        I actually agree with doktornotor, that this is not an easy task.
                        Many desktop distributions mess it up over and over again.
                        So maybe it is safer for pfsense to stay away from the problem.

                        At the end even thought for some it's so bleeding obvious ;D, does not mean that an idiot like me does know this.
                        I thought that’s the point of a release info and Installation Manual.
                        Plus I’m still not convinced that Chris Buechler agrees with doktornotor but that's probably politics…

                        @doktornotor

                        Does this means you are 100% aware of the problem?

                        As you said it yourself somewhere in this Forum on April 23, 2014, 11:34:22 am :

                        "... maybe you could move your ass to produce an actually working howto." ;)

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                        • D Offline
                          doktornotor Banned
                          last edited by

                          @new2bsd:

                          Does this means you are 100% aware of the problem?

                          This one? No. I'm aware of multiple other problems with characters outside ASCII/Latin-1 breaking configuration altogether, e.g. with captive portal, rules description etc.. Example: instead of š, you got <9A> saved in config, producing nifty "XML error: Invalid character at line …." error and configuration rollback.

                          Now, granted - things like this should not happen, however I for one do not see any viable way how to fix hashed mangled passwords saved on 2.1.x via configuration upgrade to 2.2. As for the problem here, one way to verify how this happens would be to check with different "stupid" chars and verify whether the password actually works on 2.1.x both when using the WebGUI and SSH. Pretty much doubt so.

                          A bunch of stupid chars you can try: ěščřžýáéúůďťňó

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                          • stephenw10S Offline
                            stephenw10 Netgate Administrator
                            last edited by

                            I've confirmed this on a box I was testing using the password 'passwörd'. Exactly as you described, works fine in 2.1.X. Works fine in 2.2 but is not valid after an upgrade.

                            Works just fine for SSH in 2.2. Not going back to try in 2.1.X.  ;)

                            The issue here is not one of whether or not you should be using these characters. It's that if they are going to be valid input in both versions then they should continue to function across an upgrade.

                            Steve

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                            • R Offline
                              robi
                              last edited by

                              OFF:
                              Dear doctornotor, jahonix and me were just pointing you to your attitude other culture. If you would have simply used the word "special" instead of "stupid", you wouldn't have offended anyone.
                              Plus, there are many customers from non-English areas of the world who actually pay and support this project, at least their culture should deserve a little respect.
                              It's not about the "shooting yourself in foot" joke and the time needed to test things etc.
                              ON

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                              • H Offline
                                hda
                                last edited by

                                Th other day I saw 2.2 would be based FreeBSD-10 and my 2.1.5 was on FreeBSD-8, I decided an upgrade route would be risky. So I made a parallel fresh install and imported the config-XML.

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                                • N Offline
                                  new2bsd
                                  last edited by

                                  For the default installation of pfsense, I realized that I can login over SSH if I use as Translation ISO-8859-1.
                                  All characters unknown to Latin-1 got refused in any way by pfsense 2.1.5.

                                  So with the fact that my MD5 Hashes were the same in pfsense 2.1.5 and 2.2 I realized that the solution was quite obvious.

                                  Upgrading pfsense 2.1.5 to 2.2, means a change from Latin-1 -> UTF8.

                                  So this is not a bug.
                                  The password is simply lost in translation!

                                  Explanation:

                                  In UTF-8, accented (non-ASCII) characters are multibyte, whereas in Latin-1 they are single bytes. The password hash function would see them as different passwords typed in (and the UTF-8 is longer).

                                  I still believe there should be a notice in the release info of pfsense 2.2 under Translations explaining what's going on.

                                  In my opinion, every password with non-ASCII characters (such as accented "French" characters) should be changed by the admin before upgrading to pfsense 2.2.

                                  As pfsense uses now UTF-8, all Special Characters in a password should be possible but as doktornotor and the pfsense release info states be aware of this problems when using other software that's not using UTF-8.

                                  Thanks to all for the input.

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                                  • stephenw10S Offline
                                    stephenw10 Netgate Administrator
                                    last edited by

                                    Exactly. Not a software bug but a documentation issue.

                                    Steve

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