Hey, These were built with support for ldap auth but the name of the binary was kept as it was by squid. The package of squid from my repository was split into the "main" binary and "helpers". This allows whoever that want's to install squid without resulting or being required to install all sort of other un-needed dependencies that is being caused by external helpers. So first if you haven't installed the "squid-helpers" package install it from the repo. Then if you are still missing the file then it might be because of it has another name then expected by the admin. Maybe in the past the name was specific but it should be something else. Here is the list of helpers in the squid-helpers latest rpm: eliezer@www: /tmp/helpers$ rpm2cpio /mnt/squid-repos/centos/7/x86_64/squid-helpers-3.5.23-1.el7.centos.x86_64.rpm |cpio -idmv ./usr/lib64/squid/basic_db_auth ./usr/lib64/squid/basic_fake_auth ./usr/lib64/squid/basic_getpwnam_auth ./usr/lib64/squid/basic_ldap_auth ./usr/lib64/squid/basic_ncsa_auth ./usr/lib64/squid/basic_nis_auth ./usr/lib64/squid/basic_pam_auth ./usr/lib64/squid/basic_pop3_auth ./usr/lib64/squid/basic_radius_auth ./usr/lib64/squid/basic_sasl_auth ./usr/lib64/squid/basic_smb_auth ./usr/lib64/squid/basic_smb_auth.sh ./usr/lib64/squid/cachemgr.cgi ./usr/lib64/squid/cert_tool ./usr/lib64/squid/cert_valid.pl ./usr/lib64/squid/digest_edirectory_auth ./usr/lib64/squid/digest_file_auth ./usr/lib64/squid/digest_ldap_auth ./usr/lib64/squid/ext_delayer_acl ./usr/lib64/squid/ext_file_userip_acl ./usr/lib64/squid/ext_kerberos_ldap_group_acl ./usr/lib64/squid/ext_ldap_group_acl ./usr/lib64/squid/ext_session_acl ./usr/lib64/squid/ext_sql_session_acl ./usr/lib64/squid/ext_time_quota_acl ./usr/lib64/squid/ext_unix_group_acl ./usr/lib64/squid/ext_wbinfo_group_acl ./usr/lib64/squid/helper-mux.pl ./usr/lib64/squid/log_db_daemon ./usr/lib64/squid/negotiate_kerberos_auth ./usr/lib64/squid/negotiate_kerberos_auth_test ./usr/lib64/squid/negotiate_wrapper_auth ./usr/lib64/squid/ntlm_fake_auth ./usr/lib64/squid/ntlm_smb_lm_auth ./usr/lib64/squid/ssl_crtd ./usr/lib64/squid/storeid_file_rewrite ./usr/lib64/squid/url_fake_rewrite ./usr/lib64/squid/url_fake_rewrite.sh 1553 blocks And from that I assume that the file you seek is: /usr/lib64/squid/basic_ldap_auth And if you want you can use a tiny symbolic link to keep the same name and location in your squid.conf using: # ln -s /usr/lib64/squid/basic_ldap_auth /usr/lib64/squid/squid_ldap_auth Let me know if something is missing( I have yet to force the repository version update but will do so in the next hours), Eliezer ---- Eliezer Croitoru Linux System Administrator Mobile: +972-5-28704261 Email: eliezer@xxxxxxxxxxxx -----Original Message----- From: squid-users [mailto:squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Periko Support Sent: Wednesday, December 21, 2016 10:49 PM To: squid-users@xxxxxxxxxxxxxxxxxxxxx Subject: Pre-Built Binary Packages: squid_ldap_auth: (2) No such file or directory Hi. We are testing squid 3.5 from: http://wiki.squid-cache.org/KnowledgeBase/CentOS#Squid-3.5 But we got some issue, our server requieres auth to a local LDAP server. But looks like it was build without this module. Can some one confirm this? squid -z 2016/12/21 12:40:00| ERROR: Authentication helper program /usr/lib64/squid/squid_ldap_auth: (2) No such file or directory FATAL: Authentication helper program /usr/lib64/squid/squid_ldap_auth: (2) No such file or directory Squid Cache (Version 3.5.20): Terminated abnormally. CPU Usage: 0.006 seconds = 0.005 user + 0.001 sys Maximum Resident Size: 30512 KB Page faults with physical i/o: 0 Centos 6.x x64, thanks. _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users