{"id":5419,"date":"2021-12-20T09:20:10","date_gmt":"2021-12-20T15:20:10","guid":{"rendered":"https:\/\/www.knownhost.com\/kb\/?p=5419"},"modified":"2022-01-28T06:21:12","modified_gmt":"2022-01-28T12:21:12","slug":"managing-login-failure-daemon-lfd-from-directadmin","status":"publish","type":"post","link":"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/","title":{"rendered":"Managing Login Failure Daemon (LFD) from DirectAdmin"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #212121;color:#212121\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #212121;color:#212121\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#accessing_the_lfd_plugin\" >Accessing the LFD Plugin<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#lfd_status\" >lfd Status<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#lfd_restart\" >lfd Restart<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#lfd_ignore_file\" >lfd Ignore File<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#lfd_directory_file_watching\" >lfd Directory File Watching<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#lfd_dynamic_dns\" >lfd Dynamic DNS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#lfd_alert_templates\" >lfd Alert Templates<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#lfd_log_scanner_files\" >lfd Log Scanner Files<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#lfd_blocklists\" >lfd Blocklists<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#lfd_syslog_users\" >lfd Syslog Users<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.knownhost.com\/kb\/managing-login-failure-daemon-lfd-from-directadmin\/#conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Login Failure Daemon popularly known as LFD comes with the ConfigServer Security &amp; Firewall. At KnownHost all the managed services are being deployed with ConfigServer Security &amp; Firewall as software based firewall and basic monitoring system to avoid unwanted attacks and the notification of certain events. LFD perticularly track and log the activities which are happening on the server to the CSF (ConfigServer Security &amp; Firewall). The list of activities LFD handels is as below,<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Processes running longer than X seconds<\/li><li>Processes utilizing too much memory<\/li><li>Processes from specific user higher than X allowed<\/li><li>Invalid login attempts against SSH, FTP, IMAP, SMTP, and more<\/li><li>Various other blocking configurations from integrations such as&nbsp;<a href=\"https:\/\/www.knownhost.com\/kb\/what-is-mod-security\/\">mod_security<\/a>.<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"accessing_the_lfd_plugin\"><\/span>Accessing the LFD Plugin<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>First, to login into the DirectAdmin control panel as Admin User,<\/p>\n\n\n\n<p><strong>https:\/\/your-domain.com:2222<\/strong>&nbsp;or&nbsp;<strong>https:\/\/IP-address:2222<\/strong>&nbsp;or&nbsp;<strong>https:\/\/server-hostname:2222<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1024\" height=\"706\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/login-into-directadmin-1024x706.jpg\" alt=\"login-into-directadmin\" class=\"wp-image-2985\" srcset=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/login-into-directadmin-1024x706.jpg 1024w, https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/login-into-directadmin-300x207.jpg 300w, https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/login-into-directadmin-768x530.jpg 768w, https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/login-into-directadmin.jpg 1364w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Navigate<\/strong>&nbsp;to&nbsp;<strong>Extra Features <\/strong>\u2192 <strong>ConfigServer <strong>Security<\/strong> &amp;<strong> Firewall<\/strong><\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"450\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/12\/navigate-to-configserver-firewall-and-security-directadmin-1024x450.jpg\" alt=\"navigate to configserver firewall and security directadmin\" class=\"wp-image-5421\" srcset=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/12\/navigate-to-configserver-firewall-and-security-directadmin-1024x450.jpg 1024w, https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/12\/navigate-to-configserver-firewall-and-security-directadmin-300x132.jpg 300w, https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/12\/navigate-to-configserver-firewall-and-security-directadmin-768x337.jpg 768w, https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/12\/navigate-to-configserver-firewall-and-security-directadmin.jpg 1323w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Within this section, you can click the \u2018lfd\u2019 tab at the top which will show you only options and configurations related to the Login Failure Daemon.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>lfd Status<\/li><li>lfd Restart<\/li><li>lfd Ignore file<\/li><li>lfd Directory File Watching<\/li><li>lfd Dynamic DNS<\/li><li>lfd Alert templates<\/li><li>lfd Log Scanner Files<\/li><li>lfd Blocklists<\/li><li>lfd Syslog Users<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/whm-lfd3.png\" alt=\"showing lfd tab\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/whm-lfd4.png\" alt=\"showing lfd section options\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"lfd_status\"><\/span>lfd Status<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>The \u2018lfd Status\u2019 provides the systemd details of the \u2018lfd.service\u2019 running on your server. You\u2019ll see whether or not it\u2019s actively running, recent log entries regarding it and whether or not the service is experiencing issues. i.e; not starting<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/whm-lfd-status.png\" alt=\"showing lfd status\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"lfd_restart\"><\/span>lfd Restart<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>The \u2018lfd Restart\u2019 issues a reboot to the \u2018lfd.service\u2019 running on your server. This is recommended after any sort of adjustment to the lfd configuration to ensure that the service has updated with the new config parameters.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/whm-lfd-restart.png\" alt=\"\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"lfd_ignore_file\"><\/span>lfd Ignore File<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>The ignore section of the Login Failure Daemon allows you to whitelist things such as IP Addresses, processes, directories, scripts and more. It allows detailed control over what shouldn\u2019t be of concern.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>csf.ignore<\/strong>&nbsp;\u2014 Allows the ignoring of IP Addresses that experience incidents such as password failures.<\/li><li><strong>csf.pignore<\/strong>&nbsp;\u2014 Allows the ignoring of processes that shouldn\u2019t be tracked (such as long-running processes, i.e mongod)<ul><li>Example path such as \u2018<em>exe:\/usr\/local\/bin\/mongod\u2019<\/em><\/li><li>Example user such as \u2018<em>user:nobody<\/em>\u2018 which would then ignore all processes by the nobody user.<\/li><\/ul><\/li><li><strong>csf.fignore<\/strong>&nbsp;\u2014 Allows the ignoring of directories should Directory Watching be configured for a specific file path<ul><li>Requires full path or perl regular expression pattern matching.<\/li><\/ul><\/li><li><strong>csf.signore<\/strong>&nbsp;\u2014 Allows the ignoring of specific scripts that are going to be knowingly ran (i.e smtp mail scripts)<\/li><li><strong>csf.rignore<\/strong>&nbsp;\u2014 Allows the ignoring of Reverse DNS Lookups if CSF is blocking crawlers (such as googlebot, bing, etc)<\/li><li><strong>csf.suignore<\/strong>&nbsp;\u2014 Allows the ignoring of superusers against the LF_EXPLOIT SUPERUSER check.<\/li><li><strong>csf.migore<\/strong>&nbsp;\u2014 Allows list of users and local IPs to be ignored by the RT_LOCALRELAY_ALERT check.<\/li><li><strong>csf.logignore<\/strong>&nbsp;\u2014 Allows usage of regex to match logs to be ignored by LOGSCANNER<\/li><li><strong>csf.uidignore<\/strong>&nbsp;\u2014 Allows list of User ID\u2019s(UID) to be ignored by the User Tracking Function.<\/li><\/ul>\n\n\n\n<p>Should any of the above ignore lists be modified, you\u2019ll need to restart the LFD &amp; CSF Service for the changes to apply.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"lfd_directory_file_watching\"><\/span>lfd Directory File Watching<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Modifying this file (csf.dirwatch) allows for you to set a list of files and\/or directories that you want to watch for changes. Any modifications made to the files listed will send an alert to the notification contact on the server (usually root contact).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/whm-lfd-directorywatch.png\" alt=\"showing directory watch file\"\/><\/figure>\n\n\n\n<p><sup>Full paths must be specified in as outlined in the above image.<\/sup><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"lfd_dynamic_dns\"><\/span>lfd Dynamic DNS<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Any listed domains within this file (csf.dyndns) will be resolved and allowed through the firewall. This is useful for those situations where you are using a dyndns service such as no-ip.com and don\u2019t want to constantly whitelist your IP Address.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/whm-lfd-dyndns.png\" alt=\"showing dyndns file\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"lfd_alert_templates\"><\/span>lfd Alert Templates<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>The Login Failure Daemon provides templates for each alerts and tracking notifications that it sends in regards to login attempts and failures. You can edit these templates to remove or include information that you may or may not find necessary. Clicking the drop down will provide a list of the template files.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/whm-lfd-alerts.png\" alt=\"showing list of alert templates\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"lfd_log_scanner_files\"><\/span>lfd Log Scanner Files<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>This file (csf.logfiles) lists the log files that you wish to have scanned by LOGSCANNER. If enabled, the lfd service would then send a periodic report based on what was scanned.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/whm-lfd-logscan.png\" alt=\"showing logscanner file\"\/><\/figure>\n\n\n\n<p>Should the above logscanner file be modified, you\u2019ll need to restart the LFD &amp; CSF Service for the changes to apply.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"lfd_blocklists\"><\/span>lfd Blocklists<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>This file (csf.blocklists) allows the modifying of specified blocklists within lfd\/csf. Allowing for the automatic blocking of IP\u2019s within those blocklists. i.e; spamhaus, tor clients, maxmind, etc<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.knownhost.com\/kb\/wp-content\/uploads\/2021\/09\/whm-lfd-blocklists.png\" alt=\"showing blocklist file\"\/><\/figure>\n\n\n\n<p>Should the above blocklists be modified, you\u2019ll need to restart the LFD &amp; CSF Service for the changes to apply.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"lfd_syslog_users\"><\/span>lfd Syslog Users<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>This file (csf.syslogusers) allows the modification which users are allowed to login to syslog\/rsyslog. Users added here get added to the system group. This file doesn\u2019t generally need to be touched.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Managing the Login Failure Daemon section from within DirectAdmin isn\u2019t that hard thanks to the UI provided by the plugin developer. Given what we\u2019ve gone over, you should have a general idea of what everything is and what each feature does. We hope that this was helpful in<\/p>\n\n\n\n<p>KnownHost offers 365 days a year, 24 hours a day, all 7 days of the week best in class technical support. A dedicated team ready to help you with requests should you need our assistance. You\u2019re not using KnownHost for the best webhosting experience? Well, why not? Check with&nbsp;<a href=\"https:\/\/www.knownhost.com\/contact\">our Sales team<\/a>&nbsp;to see what can&nbsp;<a href=\"https:\/\/www.knownhost.com\/\">KnownHost<\/a>&nbsp;do for you in improving your webhosting experience.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Login Failure Daemon popularly known as LFD comes with the ConfigServer Security &amp; Firewall. At KnownHost all the managed services are being deployed with ConfigServer Security &amp; Firewall as software based firewall and basic monitoring system to avoid unwanted attacks and the notification of certain events. LFD perticularly track and log the activities which are [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[126,128,445],"class_list":["post-5419","post","type-post","status-publish","format-standard","hentry","category-directadmin","tag-csf","tag-directadmin","tag-lfd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Managing Login Failure Daemon (LFD) from DirectAdmin - KnownHost<\/title>\n<meta name=\"description\" content=\"Manage the specific Login Failure Daemon (LFD) directly from DirectAdmin interface. 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