{"id":5,"date":"2001-11-08T12:00:14","date_gmt":"2001-11-08T09:00:14","guid":{"rendered":"https:\/\/mamchenkov.net\/wordpress\/?p=5"},"modified":"2005-10-04T07:59:36","modified_gmt":"2005-10-04T04:59:36","slug":"first-ldap-encounter","status":"publish","type":"post","link":"https:\/\/mamchenkov.net\/wordpress\/2001\/11\/08\/first-ldap-encounter\/","title":{"rendered":"First LDAP encounter"},"content":{"rendered":"<!-- google_ad_section_start -->\n<p>I have started to learn LDAP today. Here is how I did it:<\/p>\n<ul>\n<li>Install new Red Hat Linux 7.2 server.<\/li>\n<li>During install\n<ul>\n<li>Specify to authenticate through LDAP which is located at 127.0.0.1<\/li>\n<li>I forgot to permit SSH connection during firewall configuration<\/li>\n<li>In boot manager configuration, I have specified to use GRUB with which I don&#8217;t have any experience yet.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>When I did all this, I have found myself in situation where machine refused any connections via secure shell, refused any logins locally, Result:<\/p>\n<ol>\n<li>Unusable machine<\/li>\n<li>Frozen butt (a\/c in the server room)<\/li>\n<li>Complete reinstall<\/li>\n<li><a href=\"http:\/\/www.yolinux.com\/TUTORIALS\/LinuxTutorialLDAP.html\">Linux LDAP Tutorial<\/a><\/li>\n<\/ol>\n<!-- google_ad_section_end -->\n","protected":false},"excerpt":{"rendered":"<!-- google_ad_section_start -->\n<p>I have started to learn LDAP today. Here is how I did it: Install new Red Hat Linux 7.2 server. During install Specify to authenticate through LDAP which is located at 127.0.0.1 I forgot to permit SSH connection during firewall configuration In boot manager configuration, I have specified to use GRUB with which I don&#8217;t &hellip; <a href=\"https:\/\/mamchenkov.net\/wordpress\/2001\/11\/08\/first-ldap-encounter\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">First LDAP encounter<\/span><\/a><\/p>\n<!-- google_ad_section_end -->\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false,"_links_to":"","_links_to_target":""},"categories":[1,6],"tags":[10,17],"keyring_services":[],"class_list":["post-5","post","type-post","status-publish","format-standard","hentry","category-general","category-linux","tag-ldap","tag-work"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"I have started to learn LDAP today. 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During install Specify to authenticate through LDAP which is located at 127.0.0.1 I forgot to permit SSH connection during firewall configuration In boot manager configuration, I have specified to use GRUB with which I don't","twitter:creator":"@mamchenkov","twitter:image":"https:\/\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2026\/03\/leonid-sailing-beer.jpg"},"aioseo_meta_data":{"post_id":"5","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"BlogPosting","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2023-07-19 11:21:46","updated":"2026-01-14 18:14:44","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/\" title=\"Technology\">Technology<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/linux\/\" title=\"Linux\">Linux<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tFirst LDAP encounter\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/mamchenkov.net\/wordpress"},{"label":"Technology","link":"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/"},{"label":"Linux","link":"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/linux\/"},{"label":"First LDAP encounter","link":"https:\/\/mamchenkov.net\/wordpress\/2001\/11\/08\/first-ldap-encounter\/"}],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":9037,"url":"https:\/\/mamchenkov.net\/wordpress\/2005\/06\/03\/murphys-law-is-still-at-work\/","url_meta":{"origin":5,"position":0},"title":"Murphy&#8217;s Law is still at work","author":"Leonid Mamchenkov","date":"June 3, 2005","format":false,"excerpt":"Murphy's Law is still at work: If anything can go wrong, it will. Just when I thought I was finishing with integrating main LDAP parts (that includes installation, configuration and testing of LDAP server, deployment of LDAP cluster, development of all needed web interfaces, documenting everything, training other people to\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7517,"url":"https:\/\/mamchenkov.net\/wordpress\/2004\/05\/21\/fix-for-fedora-linux-core-2-ldap-authentication-problem\/","url_meta":{"origin":5,"position":1},"title":"Fix for Fedora Linux Core 2 LDAP authentication problem","author":"Leonid Mamchenkov","date":"May 21, 2004","format":false,"excerpt":"Just few minutes after posting to Fedora mailing, I've managed to find the solution to my problem with LDAP authentication in Fedora Linux Core 2. Murphy's law in action. :) It seems that there was an undocumented change in default behavior. File \/etc\/ldap.conf (provided by nss_ldap) says: # OpenLDAP SSL\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7379,"url":"https:\/\/mamchenkov.net\/wordpress\/2004\/03\/23\/how-can-i-configure-mutt-to-use-addresses-from-ldap-addressbook\/","url_meta":{"origin":5,"position":2},"title":"How can I configure mutt to use addresses from LDAP addressbook?","author":"Leonid Mamchenkov","date":"March 23, 2004","format":false,"excerpt":"\"mutt ldap address\" \".muttrc ldap address\" \"mutt ldap\" \"ldap script for mutt\" \"ms exchange directory\" You will need to download one of the LDAP querying scripts for mutt. One of them is here. After downloading, edit the script to match your LDAP server and put lines like set query_command=\"\/home\/username\/bin\/mutt-ldap.pl '%s'\"\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7565,"url":"https:\/\/mamchenkov.net\/wordpress\/2004\/06\/11\/ldap2mutt\/","url_meta":{"origin":5,"position":3},"title":"ldap2mutt","author":"Leonid Mamchenkov","date":"June 11, 2004","format":false,"excerpt":"Although Mutt can query LDAP directories for addresses directly, sometimes connectivity to LDAP server is troublesome (firewalls, company policies, etc). One way to go around this problem would be to create Mutt addressbook regularly from the content of LDAP directory. This script does exactly this. Specify which LDAP server to\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":94,"url":"https:\/\/mamchenkov.net\/wordpress\/2002\/12\/05\/ldap-nfs-autmount\/","url_meta":{"origin":5,"position":4},"title":"LDAP, NFS, autmount","author":"Leonid Mamchenkov","date":"December 5, 2002","format":false,"excerpt":"Test LDAP machine installed today. Test NFS (for homes) installed today. Automount of user's home directory upon login gives a hell a lot of problems. We'll see how it goes.","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7516,"url":"https:\/\/mamchenkov.net\/wordpress\/2004\/05\/20\/first-brief-impressions-of-fedora-linux-core-2\/","url_meta":{"origin":5,"position":5},"title":"First (brief) impressions of Fedora Linux Core 2","author":"Leonid Mamchenkov","date":"May 20, 2004","format":false,"excerpt":"I've upgraded my office workstation from Fedora Linux Core 1 to Fedora Linux Core 2 today. I had only about an hour to play with it, so no super review here. The upgrade process was very similar to most of the previous Red Hat Linux versions. No surprise. Fedora Linux\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts\/5","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/comments?post=5"}],"version-history":[{"count":0,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts\/5\/revisions"}],"wp:attachment":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/media?parent=5"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/categories?post=5"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/tags?post=5"},{"taxonomy":"keyring_services","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/keyring_services?post=5"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}