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Server: Apache/2.4.65 (Debian)
System: Linux web6 5.10.0-36-amd64 #1 SMP Debian 5.10.244-1 (2025-09-29) x86_64
User: innocamp (1028)
PHP: 7.4.33
Disabled: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare,
$ pwd: /usr/share/doc/pwauth/
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File: //usr/share/doc/pwauth/README.Debian
pwauth is intended for secure Apache auth against pam (shadow).

To use it on Debian, make sure to also install libapache2-mod-authnz-external,
then add these lines to relevant Location or Directory section:
    AuthBasicProvider external
    AuthExternal pwauth

And to the related virtual host section:
   AddExternalAuth pwauth /usr/sbin/pwauth
   SetExternalAuthMethod pwauth pipe

See these links for more info:
http://blog.innerewut.de/2007/6/26/apache-2-2-authentication-with-mod_authnz_external
http://www.unixpapa.com/mod_auth_external
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