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'\" t
.\"     Title: login.access
.\"    Author: Marek Micha\(/lkiewicz
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 08/11/2022
.\"    Manual: File Formats and Configuration Files
.\"    Source: shadow-utils 4.13
.\"  Language: Italian
.\"
.TH "LOGIN\&.ACCESS" "5" "08/11/2022" "shadow\-utils 4\&.13" "File Formats and Configuration"
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.nh
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.SH "NOME"
login.access \- tabella di controllo accessi
.SH "DESCRIZIONE"
.PP
The
\fIlogin\&.access\fR
file specifies (user, host) combinations and/or (user, tty) combinations for which a login will be either accepted or refused\&.
.PP
When someone logs in, the
\fIlogin\&.access\fR
is scanned for the first entry that matches the (user, host) combination, or, in case of non\-networked logins, the first entry that matches the (user, tty) combination\&. The permissions field of that table entry determines whether the login will be accepted or refused\&.
.PP
Ogni riga della tabella di controllo degli accessi ha tre campi separati dal carattere \(Fo:\(Fc:
.PP
\fIpermission\fR:\fIusers\fR:\fIorigins\fR
.PP
The first field should be a "\fI+\fR" (access granted) or "\fI\-\fR" (access denied) character\&. The second field should be a list of one or more login names, group names, or
\fIALL\fR
(always matches)\&. The third field should be a list of one or more tty names (for non\-networked logins), host names, domain names (begin with "\&."), host addresses, internet network numbers (end with "\&."),
\fIALL\fR
(always matches) or
\fILOCAL\fR
(matches any string that does not contain a "\&." character)\&. If you run NIS you can use @netgroupname in host or user patterns\&.
.PP
The
\fIEXCEPT\fR
operator makes it possible to write very compact rules\&.
.PP
La ricerca nel file dei gruppi avviene solo quando il nome non corrisponde a quello dell\*(Aqutente che accede\&. I gruppi che possono corrispondere sono solo quelli nei quali l\*(Aqutente \(`e esplicitamente elencato: il programma non controlla l\*(Aqid del gruppo primario dell\*(Aqutente\&.
.SH "FILE"
.PP
/etc/login\&.defs
.RS 4
Configurazione del pacchetto password shadow
.RE
.SH "VEDERE ANCHE"
.PP
\fBlogin\fR(1)\&.