[96e3995] | 1 | <sect2>
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[30f1425] | 2 | <title>Configuring <application><acronym>PAM</acronym></application> to work
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| 3 | with <application>shadow</application></title>
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[96e3995] | 4 |
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| 5 | <sect3><title>Config files</title>
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[064db32a] | 6 | <para><filename>/etc/pam.d/login</filename>,
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| 7 | <filename>/etc/pam.d/passwd</filename>,
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| 8 | <filename>/etc/pam.d/su</filename>,
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| 9 | <filename>/etc/pam.d/shadow</filename>,
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| 10 | <filename>/etc/pam.d/useradd</filename></para>
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[96e3995] | 11 | </sect3>
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| 12 |
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| 13 | <sect3><title>Configuration Information</title>
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| 14 |
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[30f1425] | 15 | <para>Add the following <application><acronym>PAM</acronym></application>
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[8604d92f] | 16 | configuration files to <filename class="directory">/etc/pam.d</filename> (or add them to
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[30f1425] | 17 | <filename>/etc/pam.conf</filename> with the additional field for the program).
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[96e3995] | 18 | </para>
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[30f1425] | 19 | <screen><userinput><command>cat > /etc/pam.d/login << "EOF"</command>
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[96e3995] | 20 | # Begin /etc/pam.d/login
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| 21 |
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| 22 | auth requisite pam_securetty.so
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| 23 | auth requisite pam_nologin.so
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| 24 | auth required pam_env.so
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| 25 | auth required pam_unix.so
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| 26 | account required pam_access.so
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| 27 | account required pam_unix.so
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| 28 | session required pam_motd.so
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| 29 | session required pam_limits.so
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| 30 | session optional pam_mail.so dir=/var/mail standard
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| 31 | session optional pam_lastlog.so
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| 32 | session required pam_unix.so
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| 33 |
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| 34 | # End /etc/pam.d/login
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[30f1425] | 35 | <command>EOF
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| 36 | cat > /etc/pam.d/passwd << "EOF"</command>
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[96e3995] | 37 | # Begin /etc/pam.d/passwd
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| 38 |
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[cb52edcf] | 39 | password required pam_unix.so md5 shadow
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[96e3995] | 40 |
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| 41 | # End /etc/pam.d/passwd
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[30f1425] | 42 | <command>EOF
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| 43 | cat > /etc/pam.d/shadow << "EOF"</command>
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[96e3995] | 44 | # Begin /etc/pam.d/shadow
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| 45 |
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| 46 | auth sufficient pam_rootok.so
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| 47 | auth required pam_unix.so
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| 48 | account required pam_unix.so
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| 49 | session required pam_unix.so
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| 50 | password required pam_permit.so
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| 51 |
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| 52 | # End /etc/pam.d/shadow
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[30f1425] | 53 | <command>EOF
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| 54 | cat > /etc/pam.d/su << "EOF"</command>
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[96e3995] | 55 | # Begin /etc/pam.d/su
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| 56 |
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| 57 | auth sufficient pam_rootok.so
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| 58 | auth required pam_unix.so
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| 59 | account required pam_unix.so
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| 60 | session required pam_unix.so
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| 61 |
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| 62 | # End /etc/pam.d/su
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[30f1425] | 63 | <command>EOF
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| 64 | cat > /etc/pam.d/useradd << "EOF"</command>
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[96e3995] | 65 | # Begin /etc/pam.d/useradd
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| 66 |
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| 67 | auth sufficient pam_rootok.so
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| 68 | auth required pam_unix.so
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| 69 | account required pam_unix.so
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| 70 | session required pam_unix.so
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| 71 | password required pam_permit.so
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| 72 |
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| 73 | # End /etc/pam.d/useradd
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[30f1425] | 74 | <command>EOF
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| 75 | cat > /etc/pam.d/chage << "EOF"</command>
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[c8e101d8] | 76 | # Begin /etc/pam.d/chage
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| 77 |
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| 78 | auth sufficient pam_rootok.so
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| 79 | auth required pam_unix.so
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| 80 | account required pam_unix.so
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| 81 | session required pam_unix.so
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| 82 | password required pam_permit.so
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| 83 |
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| 84 | # End /etc/pam.d/chage
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[30f1425] | 85 | <command>EOF</command></userinput></screen>
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[96e3995] | 86 |
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| 87 | <para>Currently, <filename>/etc/pam.d/other</filename> is configured to
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| 88 | allow anyone with an account on the machine to use programs
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| 89 | that do not specifically have a configuration file of their own. After
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[cf7ae162] | 90 | testing <application><acronym>PAM</acronym></application> for proper
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| 91 | configuration, it can be changed to the following:</para>
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[96e3995] | 92 |
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[30f1425] | 93 | <screen><userinput><command>cat > /etc/pam.d/other << "EOF"</command>
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[96e3995] | 94 | # Begin /etc/pam.d/other
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| 95 |
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| 96 | auth required pam_deny.so
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| 97 | auth required pam_warn.so
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| 98 | account required pam_deny.so
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| 99 | session required pam_deny.so
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| 100 | password required pam_deny.so
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| 101 | password required pam_warn.so
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| 102 |
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| 103 | # End /etc/pam.d/other
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[30f1425] | 104 | <command>EOF</command></userinput></screen>
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[96e3995] | 105 |
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| 106 | <para>Finally, edit <filename>/etc/login.defs</filename> by adding '#'
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| 107 | to the beginning of the following lines:</para>
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| 108 | <screen>DIALUPS_CHECK_ENAB
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| 109 | LASTLOG_ENAB
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| 110 | MAIL_CHECK_ENAB
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| 111 | PORTTIME_CHECKS_ENAB
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| 112 | CONSOLE
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| 113 | MOTD_FILE
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| 114 | NOLOGINS_FILE
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| 115 | PASS_MIN_LEN
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| 116 | SU_WHEEL_ONLY
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| 117 | MD5_CRYPT_ENAB
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| 118 | CONSOLE_GROUPS
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| 119 | ENVIRON_FILE</screen>
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| 120 |
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[30f1425] | 121 | <para>This stops <command>login</command> from performing these functions, as
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[cf7ae162] | 122 | they will now be performed by <acronym>PAM</acronym> modules.</para>
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[96e3995] | 123 |
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| 124 | </sect3>
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| 125 |
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| 126 | </sect2>
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| 127 |
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