Why the maximum length of openwrt’s root password is 8?





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When I try to set root's password:



root@OpenWrt:~# passwd
Changing password for root
Enter the new password (minimum of 5, maximum of 8 characters)
Please use a combination of upper and lower case letters and numbers.


It seems the maximum length is 8. If I try to set a password longer than 8, only first 8 characters is valid.
How can I set a longer password for root?



My openwrt version:



Linux OpenWrt 4.14.108 #0 SMP Wed Mar 27 21:59:03 2019 x86_64 GNU/Linux









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    4















    When I try to set root's password:



    root@OpenWrt:~# passwd
    Changing password for root
    Enter the new password (minimum of 5, maximum of 8 characters)
    Please use a combination of upper and lower case letters and numbers.


    It seems the maximum length is 8. If I try to set a password longer than 8, only first 8 characters is valid.
    How can I set a longer password for root?



    My openwrt version:



    Linux OpenWrt 4.14.108 #0 SMP Wed Mar 27 21:59:03 2019 x86_64 GNU/Linux









    share|improve this question

























      4












      4








      4








      When I try to set root's password:



      root@OpenWrt:~# passwd
      Changing password for root
      Enter the new password (minimum of 5, maximum of 8 characters)
      Please use a combination of upper and lower case letters and numbers.


      It seems the maximum length is 8. If I try to set a password longer than 8, only first 8 characters is valid.
      How can I set a longer password for root?



      My openwrt version:



      Linux OpenWrt 4.14.108 #0 SMP Wed Mar 27 21:59:03 2019 x86_64 GNU/Linux









      share|improve this question














      When I try to set root's password:



      root@OpenWrt:~# passwd
      Changing password for root
      Enter the new password (minimum of 5, maximum of 8 characters)
      Please use a combination of upper and lower case letters and numbers.


      It seems the maximum length is 8. If I try to set a password longer than 8, only first 8 characters is valid.
      How can I set a longer password for root?



      My openwrt version:



      Linux OpenWrt 4.14.108 #0 SMP Wed Mar 27 21:59:03 2019 x86_64 GNU/Linux






      linux password root openwrt passwd






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 2 hours ago









      Alan42Alan42

      915




      915






















          1 Answer
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          7














          I modified this in /etc/login.defs



          PASS_MAX_LEN            8


          problem fixed.






          share|improve this answer



















          • 4





            Good fix, but bad original choice for a system default though...

            – HBruijn
            1 hour ago











          • I assume you changed your password to something longer than 8 characters now. Can you try if logging in with just the first 8 characters of your longer password works? Because it just might...

            – marcelm
            19 mins ago












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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          7














          I modified this in /etc/login.defs



          PASS_MAX_LEN            8


          problem fixed.






          share|improve this answer



















          • 4





            Good fix, but bad original choice for a system default though...

            – HBruijn
            1 hour ago











          • I assume you changed your password to something longer than 8 characters now. Can you try if logging in with just the first 8 characters of your longer password works? Because it just might...

            – marcelm
            19 mins ago
















          7














          I modified this in /etc/login.defs



          PASS_MAX_LEN            8


          problem fixed.






          share|improve this answer



















          • 4





            Good fix, but bad original choice for a system default though...

            – HBruijn
            1 hour ago











          • I assume you changed your password to something longer than 8 characters now. Can you try if logging in with just the first 8 characters of your longer password works? Because it just might...

            – marcelm
            19 mins ago














          7












          7








          7







          I modified this in /etc/login.defs



          PASS_MAX_LEN            8


          problem fixed.






          share|improve this answer













          I modified this in /etc/login.defs



          PASS_MAX_LEN            8


          problem fixed.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 1 hour ago









          Alan42Alan42

          915




          915








          • 4





            Good fix, but bad original choice for a system default though...

            – HBruijn
            1 hour ago











          • I assume you changed your password to something longer than 8 characters now. Can you try if logging in with just the first 8 characters of your longer password works? Because it just might...

            – marcelm
            19 mins ago














          • 4





            Good fix, but bad original choice for a system default though...

            – HBruijn
            1 hour ago











          • I assume you changed your password to something longer than 8 characters now. Can you try if logging in with just the first 8 characters of your longer password works? Because it just might...

            – marcelm
            19 mins ago








          4




          4





          Good fix, but bad original choice for a system default though...

          – HBruijn
          1 hour ago





          Good fix, but bad original choice for a system default though...

          – HBruijn
          1 hour ago













          I assume you changed your password to something longer than 8 characters now. Can you try if logging in with just the first 8 characters of your longer password works? Because it just might...

          – marcelm
          19 mins ago





          I assume you changed your password to something longer than 8 characters now. Can you try if logging in with just the first 8 characters of your longer password works? Because it just might...

          – marcelm
          19 mins ago


















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