Same pubkey allows access on one user, but not another

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So I have a centos 7 server with 2 users.



User1 has the ~/.ssh/authorized_keys file with proper permissions and with externaluser's public key in it.



User2 has the ~/.ssh/authorized_keys file with proper permissions and with the same externaluser's public key in it.



Externaluser can ssh to User1 with no problems, however, he gets Permission denied (publickey,gssapi-keyex,gssapi-with-mic) error when trying to ssh to User2.



Why does this happen? It's literally the same public key, properly pasted into the authorized_keys file of each user, using the same method.






centos ssh







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  • Please, try ssh -v for more detailed information about what's happening and add it to your question.
    – francescop21
    9 hours ago











  • Check the owner and permissions on .ssh and on authorized_keys.
    – RalfFriedl
    8 hours ago










  • Please check unix.stackexchange.com/questions/36540/… and show the results.
    – Jeff Schaller
    6 hours ago














up vote
0
down vote

favorite












So I have a centos 7 server with 2 users.



User1 has the ~/.ssh/authorized_keys file with proper permissions and with externaluser's public key in it.



User2 has the ~/.ssh/authorized_keys file with proper permissions and with the same externaluser's public key in it.



Externaluser can ssh to User1 with no problems, however, he gets Permission denied (publickey,gssapi-keyex,gssapi-with-mic) error when trying to ssh to User2.



Why does this happen? It's literally the same public key, properly pasted into the authorized_keys file of each user, using the same method.






centos ssh







share|improve this question





















  • Please, try ssh -v for more detailed information about what's happening and add it to your question.
    – francescop21
    9 hours ago











  • Check the owner and permissions on .ssh and on authorized_keys.
    – RalfFriedl
    8 hours ago










  • Please check unix.stackexchange.com/questions/36540/… and show the results.
    – Jeff Schaller
    6 hours ago












up vote
0
down vote

favorite









up vote
0
down vote

favorite











So I have a centos 7 server with 2 users.



User1 has the ~/.ssh/authorized_keys file with proper permissions and with externaluser's public key in it.



User2 has the ~/.ssh/authorized_keys file with proper permissions and with the same externaluser's public key in it.



Externaluser can ssh to User1 with no problems, however, he gets Permission denied (publickey,gssapi-keyex,gssapi-with-mic) error when trying to ssh to User2.



Why does this happen? It's literally the same public key, properly pasted into the authorized_keys file of each user, using the same method.






centos ssh







share|improve this question













So I have a centos 7 server with 2 users.



User1 has the ~/.ssh/authorized_keys file with proper permissions and with externaluser's public key in it.



User2 has the ~/.ssh/authorized_keys file with proper permissions and with the same externaluser's public key in it.



Externaluser can ssh to User1 with no problems, however, he gets Permission denied (publickey,gssapi-keyex,gssapi-with-mic) error when trying to ssh to User2.



Why does this happen? It's literally the same public key, properly pasted into the authorized_keys file of each user, using the same method.






centos ssh




centos ssh






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 9 hours ago









iamAguest

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  • Please, try ssh -v for more detailed information about what's happening and add it to your question.
    – francescop21
    9 hours ago











  • Check the owner and permissions on .ssh and on authorized_keys.
    – RalfFriedl
    8 hours ago










  • Please check unix.stackexchange.com/questions/36540/… and show the results.
    – Jeff Schaller
    6 hours ago
















  • Please, try ssh -v for more detailed information about what's happening and add it to your question.
    – francescop21
    9 hours ago











  • Check the owner and permissions on .ssh and on authorized_keys.
    – RalfFriedl
    8 hours ago










  • Please check unix.stackexchange.com/questions/36540/… and show the results.
    – Jeff Schaller
    6 hours ago















Please, try ssh -v for more detailed information about what's happening and add it to your question.
– francescop21
9 hours ago





Please, try ssh -v for more detailed information about what's happening and add it to your question.
– francescop21
9 hours ago













Check the owner and permissions on .ssh and on authorized_keys.
– RalfFriedl
8 hours ago




Check the owner and permissions on .ssh and on authorized_keys.
– RalfFriedl
8 hours ago












Please check unix.stackexchange.com/questions/36540/… and show the results.
– Jeff Schaller
6 hours ago




Please check unix.stackexchange.com/questions/36540/… and show the results.
– Jeff Schaller
6 hours ago















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