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  • #3984247

    What are the security risks if I implement the solution?

    by lakki26 ·

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    If I implement the below solution for my postfix poller error, Is there any security risks for my server and if there what will be issues?

    Reference link for my error: https://community.librenms.org/t/postfix-mail-queue/8334

    Open the postfixdetailed file and change /var/log/maillog to /var/log/mail.log
    I also changed the $pflogsumm= variable so it includes the sudo command.

    $pflogsumm=’/usr/bin/env /usr/bin/sudo /usr/sbin/pflogsumm’;
    And added this code to a sudoers file;

    snmp ALL=(ALL) NOPASSWD: /usr/sbin/pflogsumm /var/log/mail.log
    Maybe you need to change the first word “snmp” to the username your snmp deamon runs on.

    For postfix-queues i’ve edited the file to include the sudo command;

    COUNT=sudo /usr/sbin/qshape $i | grep TOTAL | awk ‘{print $2}’
    And added this to a sudoers file

    snmp ALL=(ALL) NOPASSWD: /usr/sbin/qshape incoming
    snmp ALL=(ALL) NOPASSWD: /usr/sbin/qshape active
    snmp ALL=(ALL) NOPASSWD: /usr/sbin/qshape deferred
    snmp ALL=(ALL) NOPASSWD: /usr/sbin/qshape hold
    Please note that you need to restart the snmp daemon so the sudoers permissions are set.

    add this to your config.php

    $config[‘snmp’][‘timeout’] = 10; # timeout in seconds
    $config[‘snmp’][‘retries’] = 5; # how many times to retry the query
    $config[‘snmp’][‘transports’] = array(‘udp’, ‘udp6’, ‘tcp’, ‘tcp6’); # Transports to use
    $config[‘snmp’][‘version’] = [‘v2c’, ‘v3’, ‘v1’]; # Default versions to use
    $config[‘snmp’][‘port’] = 161; # Default port
    $config[‘snmp’][‘exec_timeout’] = 1200; # execution time limit in se

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