Description of problem: ldapsearch and anything using nss_ldap can't contact LDAP server if it's specified by DNS name which resolves to an IPv4 address. If I specify the ldap server's IP in /etc/hosts, it starts working. According to tcpdump on port 53, no DNS requests are sent to resolve the ldap server's address. Version-Release number of selected component (if applicable): glibc-2.9-3 nss_ldap-261-4.fc10 openldap-clients-2.4.12-1.fc10 How reproducible: Always. Steps to Reproduce: 1. set up ldaps:// server somewhere on the local network 2. set up the local machine to authenticate against it (to test /bin/id) 3. ldapsearch -d 255 -H ldaps://ldap1.icm.edu.pl/ -b dc=icm,dc=edu,dc=pl -x 'uid=rathann' 4. id rathann Actual results: ldap_url_parse_ext(ldaps://ldap1.icm.edu.pl/) ldap_create ldap_url_parse_ext(ldaps://ldap1.icm.edu.pl:636/??base) ldap_sasl_bind ldap_send_initial_request ldap_new_connection 1 1 0 ldap_int_open_connection ldap_connect_to_host: TCP ldap1.icm.edu.pl:636 ldap_connect_to_host: getaddrinfo failed: Name or service not known ldap_err2string ldap_sasl_bind(SIMPLE): Can't contact LDAP server (-1) # id rathann id: rathann: No such user Expected results: The result of the query. # id rathann uid=5242(rathann) ... Additional info: This could be related to bug 459756, because other applications are still complaining about failed DNS lookups: Dec 19 12:49:41 blader ntpd_initres[4246]: host name not found: 0.fedora.pool.ntp.org Dec 19 12:49:41 blader ntpd_initres[4246]: couldn't resolve `0.fedora.pool.ntp.org', giving up on it Dec 19 12:49:41 blader ntpd_initres[4246]: host name not found: 1.fedora.pool.ntp.org Dec 19 12:49:41 blader ntpd_initres[4246]: couldn't resolve `1.fedora.pool.ntp.org', giving up on it Dec 19 12:49:41 blader ntpd_initres[4246]: host name not found: 2.fedora.pool.ntp.org Dec 19 12:49:41 blader ntpd_initres[4246]: couldn't resolve `2.fedora.pool.ntp.org', giving up on it
What does your "hosts:" line in /etc/nsswitch.conf look like? If you're attempting to use the directory service for that, is a method which can provide resolution for the directory server's hostname listed before it?
% grep ^hosts: /etc/nsswitch.conf hosts: files dns %
It's working in current rawhide, so it must've been fixed somewhere along the way. I'll try to verify this in F11 and F10 when I get a chance.
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