How to force specific group permissions (r/w) on files created in a directory structure?

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I have a directory set up on a Linux server such that I'd like all files within it to be readable and writeable for a specific group.



So far, I've done chmod g+s mygroup parent, and I can see that all files inherit this group when created within this directory.



However, it does not force the g+rw permission, and so it is possible for a user to write a file into that directory such that others do not have read and/or write access to it.



How can I achieve this?






linux permissions







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  • What is mygroup? Because of its name I expect a group but the syntax of chmod g+s mygroup parent doesn't fit. This obfuscates the question slightly.
    – Kamil Maciorowski
    13 mins ago















up vote
2
down vote

favorite












I have a directory set up on a Linux server such that I'd like all files within it to be readable and writeable for a specific group.



So far, I've done chmod g+s mygroup parent, and I can see that all files inherit this group when created within this directory.



However, it does not force the g+rw permission, and so it is possible for a user to write a file into that directory such that others do not have read and/or write access to it.



How can I achieve this?






linux permissions







share|improve this question























  • What is mygroup? Because of its name I expect a group but the syntax of chmod g+s mygroup parent doesn't fit. This obfuscates the question slightly.
    – Kamil Maciorowski
    13 mins ago













up vote
2
down vote

favorite









up vote
2
down vote

favorite











I have a directory set up on a Linux server such that I'd like all files within it to be readable and writeable for a specific group.



So far, I've done chmod g+s mygroup parent, and I can see that all files inherit this group when created within this directory.



However, it does not force the g+rw permission, and so it is possible for a user to write a file into that directory such that others do not have read and/or write access to it.



How can I achieve this?






linux permissions







share|improve this question















I have a directory set up on a Linux server such that I'd like all files within it to be readable and writeable for a specific group.



So far, I've done chmod g+s mygroup parent, and I can see that all files inherit this group when created within this directory.



However, it does not force the g+rw permission, and so it is possible for a user to write a file into that directory such that others do not have read and/or write access to it.



How can I achieve this?






linux permissions




linux permissions






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 5 hours ago

























asked 5 hours ago









Roxy

1366




1366











  • What is mygroup? Because of its name I expect a group but the syntax of chmod g+s mygroup parent doesn't fit. This obfuscates the question slightly.
    – Kamil Maciorowski
    13 mins ago

















  • What is mygroup? Because of its name I expect a group but the syntax of chmod g+s mygroup parent doesn't fit. This obfuscates the question slightly.
    – Kamil Maciorowski
    13 mins ago
















What is mygroup? Because of its name I expect a group but the syntax of chmod g+s mygroup parent doesn't fit. This obfuscates the question slightly.
– Kamil Maciorowski
13 mins ago





What is mygroup? Because of its name I expect a group but the syntax of chmod g+s mygroup parent doesn't fit. This obfuscates the question slightly.
– Kamil Maciorowski
13 mins ago











1 Answer
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Turns out the answer is to use ACLs to set a default:



setfacl -d -m u::rwX,g::rwX,o::- /path/to/parent





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    1 Answer
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    active

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    1 Answer
    1






    active

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    oldest

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    active

    oldest

    votes








    up vote
    2
    down vote













    Turns out the answer is to use ACLs to set a default:



    setfacl -d -m u::rwX,g::rwX,o::- /path/to/parent





    share|improve this answer
























      up vote
      2
      down vote













      Turns out the answer is to use ACLs to set a default:



      setfacl -d -m u::rwX,g::rwX,o::- /path/to/parent





      share|improve this answer






















        up vote
        2
        down vote










        up vote
        2
        down vote









        Turns out the answer is to use ACLs to set a default:



        setfacl -d -m u::rwX,g::rwX,o::- /path/to/parent





        share|improve this answer












        Turns out the answer is to use ACLs to set a default:



        setfacl -d -m u::rwX,g::rwX,o::- /path/to/parent






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 3 hours ago









        Roxy

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