User login failed when pam_filter is longer then 512 character in pam_ldap

Solution Verified - Updated -

Issue

  • User login failed when pam_filter is longer then 512 character in pam_ldap.
  • What is the maximum size of filter we can specify with pam_filter in /etc/ldap.conf ?

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • System as LDAP client using nss_ldap with pam_filter configured.

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