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You only disabled ChallengeResponseAuthentication. Lines starting with # are comments and won't interpreted as configuration, they are for humans to read. To disable all possibilities to login with a password you have to set PasswordAuthentication no AND ChallengeResponseAuthentication no There is a possible path over pam_unix to login with a ...


Run this command: $ doveconf disable_plaintext_auth


ssh-copy-id is actually a shell script as can be seen: $ which ssh-copy-id /usr/bin/ssh-copy-id $ file /usr/bin/ssh-copy-id /usr/bin/ssh-copy-id: POSIX shell script, ASCII text executable It’s a fairly simple script and the .ssh/authorized_keys path is hard-coded as the script isn’t written to deal with non-standard locations for the authorized_keys ...


I ended up talking to the organization's IT and resolved the issue easily. My mistake consists of several missteps: including the wrong certificate not including the right root certificate not ordering the certificates in the right order The "CA certificate" file needs to be a single text file (PEM format) containing a list of certificates, chained in ...


On modern linux systems, the reason is that pam_unix.so imposes such a delay. As previously reported, this can be configured down to two seconds by changing FAIL_DELAY in /etc/login.defs. If you want to reduce the delay further, you have to give pam_unix.so the "nodelay" option. For example, on my system, if you trace the includes starting from ...


Debian- and Ubuntu-compatible software should be ok. Googleing "captive portal ubuntu" gave me CoovaChilli.

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