Consistent use of /usr/sbin/nologin.
PR: 239121
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svn2git
2020-12-08 03:00:23 +00:00
svn path=/head/; revision=53262
2 changed files with 22 additions and 22 deletions
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@ -1802,19 +1802,19 @@ nis_client_enable="YES"</programlisting>
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<screen>basie&prompt.root; <userinput>cat /etc/master.passwd</userinput>
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<screen>basie&prompt.root; <userinput>cat /etc/master.passwd</userinput>
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root:[password]:0:0::0:0:The super-user:/root:/bin/csh
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root:[password]:0:0::0:0:The super-user:/root:/bin/csh
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toor:[password]:0:0::0:0:The other super-user:/root:/bin/sh
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toor:[password]:0:0::0:0:The other super-user:/root:/bin/sh
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daemon:*:1:1::0:0:Owner of many system processes:/root:/sbin/nologin
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daemon:*:1:1::0:0:Owner of many system processes:/root:/usr/sbin/nologin
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operator:*:2:5::0:0:System &:/:/sbin/nologin
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operator:*:2:5::0:0:System &:/:/usr/sbin/nologin
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bin:*:3:7::0:0:Binaries Commands and Source,,,:/:/sbin/nologin
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bin:*:3:7::0:0:Binaries Commands and Source,,,:/:/usr/sbin/nologin
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tty:*:4:65533::0:0:Tty Sandbox:/:/sbin/nologin
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tty:*:4:65533::0:0:Tty Sandbox:/:/usr/sbin/nologin
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kmem:*:5:65533::0:0:KMem Sandbox:/:/sbin/nologin
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kmem:*:5:65533::0:0:KMem Sandbox:/:/usr/sbin/nologin
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games:*:7:13::0:0:Games pseudo-user:/usr/games:/sbin/nologin
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games:*:7:13::0:0:Games pseudo-user:/usr/games:/usr/sbin/nologin
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news:*:8:8::0:0:News Subsystem:/:/sbin/nologin
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news:*:8:8::0:0:News Subsystem:/:/usr/sbin/nologin
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man:*:9:9::0:0:Mister Man Pages:/usr/share/man:/sbin/nologin
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man:*:9:9::0:0:Mister Man Pages:/usr/share/man:/usr/sbin/nologin
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bind:*:53:53::0:0:Bind Sandbox:/:/sbin/nologin
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bind:*:53:53::0:0:Bind Sandbox:/:/usr/sbin/nologin
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uucp:*:66:66::0:0:UUCP pseudo-user:/var/spool/uucppublic:/usr/libexec/uucp/uucico
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uucp:*:66:66::0:0:UUCP pseudo-user:/var/spool/uucppublic:/usr/libexec/uucp/uucico
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xten:*:67:67::0:0:X-10 daemon:/usr/local/xten:/sbin/nologin
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xten:*:67:67::0:0:X-10 daemon:/usr/local/xten:/usr/sbin/nologin
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pop:*:68:6::0:0:Post Office Owner:/nonexistent:/sbin/nologin
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pop:*:68:6::0:0:Post Office Owner:/nonexistent:/usr/sbin/nologin
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nobody:*:65534:65534::0:0:Unprivileged user:/nonexistent:/sbin/nologin
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nobody:*:65534:65534::0:0:Unprivileged user:/nonexistent:/usr/sbin/nologin
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-bill:::::::::
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-bill:::::::::
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+:::::::::
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+:::::::::
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@ -2075,18 +2075,18 @@ ellington&prompt.user; <userinput>ypcat -k netgroup.byuser</userinput></screen>
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user entries without allowing them to login into the servers.
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user entries without allowing them to login into the servers.
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This can be achieved by adding an extra line:</para>
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This can be achieved by adding an extra line:</para>
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<programlisting>+:::::::::/sbin/nologin</programlisting>
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<programlisting>+:::::::::/usr/sbin/nologin</programlisting>
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<para>This line configures the client to import all entries but
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<para>This line configures the client to import all entries but
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to replace the shell in those entries with
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to replace the shell in those entries with
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<filename>/sbin/nologin</filename>.</para>
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<filename>/usr/sbin/nologin</filename>.</para>
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<!-- Been there, done that, got the scars to prove it - ue -->
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<!-- Been there, done that, got the scars to prove it - ue -->
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<para>Make sure that extra line is placed
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<para>Make sure that extra line is placed
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<emphasis>after</emphasis>
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<emphasis>after</emphasis>
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<literal>+@IT_EMP:::::::::</literal>. Otherwise, all user
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<literal>+@IT_EMP:::::::::</literal>. Otherwise, all user
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accounts imported from <acronym>NIS</acronym> will have
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accounts imported from <acronym>NIS</acronym> will have
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<filename>/sbin/nologin</filename> as their login
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<filename>/usr/sbin/nologin</filename> as their login
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shell and no one will be able to login to the system.</para>
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shell and no one will be able to login to the system.</para>
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<para>To configure the less important servers, replace the old
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<para>To configure the less important servers, replace the old
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@ -2095,14 +2095,14 @@ ellington&prompt.user; <userinput>ypcat -k netgroup.byuser</userinput></screen>
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<programlisting>+@IT_EMP:::::::::
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<programlisting>+@IT_EMP:::::::::
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+@IT_APP:::::::::
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+@IT_APP:::::::::
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+:::::::::/sbin/nologin</programlisting>
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+:::::::::/usr/sbin/nologin</programlisting>
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<para>The corresponding lines for the workstations
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<para>The corresponding lines for the workstations
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would be:</para>
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would be:</para>
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<programlisting>+@IT_EMP:::::::::
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<programlisting>+@IT_EMP:::::::::
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+@USERS:::::::::
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+@USERS:::::::::
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+:::::::::/sbin/nologin</programlisting>
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+:::::::::/usr/sbin/nologin</programlisting>
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<para>NIS supports the creation of netgroups from other
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<para>NIS supports the creation of netgroups from other
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netgroups which can be useful if the policy regarding user
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netgroups which can be useful if the policy regarding user
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@ -2134,12 +2134,12 @@ USERBOX IT_EMP ITINTERN USERS</programlisting>
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system contains two lines starting with <quote>+</quote>.
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system contains two lines starting with <quote>+</quote>.
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The first line adds a netgroup with the accounts allowed to
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The first line adds a netgroup with the accounts allowed to
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login onto this machine and the second line adds all other
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login onto this machine and the second line adds all other
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accounts with <filename>/sbin/nologin</filename> as shell. It
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accounts with <filename>/usr/sbin/nologin</filename> as shell.
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is recommended to use the <quote>ALL-CAPS</quote> version of
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It is recommended to use the <quote>ALL-CAPS</quote> version
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the hostname as the name of the netgroup:</para>
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of the hostname as the name of the netgroup:</para>
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<programlisting>+@<replaceable>BOXNAME</replaceable>:::::::::
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<programlisting>+@<replaceable>BOXNAME</replaceable>:::::::::
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+:::::::::/sbin/nologin</programlisting>
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+:::::::::/usr/sbin/nologin</programlisting>
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<para>Once this task is completed on all the machines, there is
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<para>Once this task is completed on all the machines, there is
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no longer a need to modify the local versions of
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no longer a need to modify the local versions of
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@ -191,7 +191,7 @@
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<screen>&prompt.root; <userinput>pw lock <replaceable>toor</replaceable></userinput></screen>
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<screen>&prompt.root; <userinput>pw lock <replaceable>toor</replaceable></userinput></screen>
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<para>The second method is to prevent login access by changing
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<para>The second method is to prevent login access by changing
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the shell to <filename>/sbin/nologin</filename>. Only the
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the shell to <filename>/usr/sbin/nologin</filename>. Only the
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superuser can change the shell for other users:</para>
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superuser can change the shell for other users:</para>
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<screen>&prompt.root; <userinput>chsh -s /usr/sbin/nologin <replaceable>toor</replaceable></userinput></screen>
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<screen>&prompt.root; <userinput>chsh -s /usr/sbin/nologin <replaceable>toor</replaceable></userinput></screen>
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