diff -uNr proftpd-1.2.10/contrib/mod_ldap.c proftpd-1.2.10.new/contrib/mod_ldap.c
--- proftpd-1.2.10/contrib/mod_ldap.c	2004-07-22 10:11:22.000000000 +1000
+++ proftpd-1.2.10.new/contrib/mod_ldap.c	2005-10-30 18:18:43.000000000 +1100
@@ -236,9 +236,7 @@
 pr_ldap_connect(void)
 {
   int ret;
-#ifdef USE_LDAPV3_TLS
   int version = LDAP_VERSION3;
-#endif
 
   if ((ld = ldap_init(ldap_server, LDAP_PORT)) == NULL) {
     pr_log_pri(PR_LOG_ERR, "mod_ldap: pr_ldap_connect(): ldap_init() to %s failed: %s", ldap_server, strerror(errno));
@@ -262,6 +260,11 @@
   }
 #endif /* USE_LDAPV3_TLS */
 
+  if ((ret = ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &version)) != LDAP_OPT_SUCCESS) {
+    pr_log_pri(PR_LOG_ERR, "mod_ldap: pr_ldap_connect(): Setting LDAP version option failed: %s", ldap_err2string(ret));
+    pr_ldap_unbind();
+    return -1;
+  }
   if ((ret = ldap_simple_bind_s(ld, ldap_dn, ldap_dnpass) != LDAP_SUCCESS)) {
     pr_log_pri(PR_LOG_ERR, "mod_ldap: pr_ldap_connect(): ldap_simple_bind() as %s failed: %s", ldap_dn, ldap_err2string(ret));
     return -1;
@@ -1204,9 +1207,7 @@
   char *pass, *cryptpass, *hash_method;
   int encname_len;
   LDAP *ld_auth;
-#ifdef USE_LDAPV3_TLS
   int ret, version = LDAP_VERSION3;
-#endif
 
 #ifdef HAVE_OPENSSL
   EVP_MD_CTX EVP_Context;
@@ -1252,6 +1253,12 @@
   }
 #endif /* USE_LDAPV3_TLS */
 
+    if ((ret = ldap_set_option(ld_auth, LDAP_OPT_PROTOCOL_VERSION, &version)) != LDAP_OPT_SUCCESS) {
+      pr_log_pri(PR_LOG_ERR, "mod_ldap: pr_ldap_connect(): Setting LDAP version option on rebind failed: %s", ldap_err2string(ret));
+      pr_ldap_unbind();
+      return ERROR(cmd);
+    }
+
     if (ldap_simple_bind_s(ld_auth, ldap_authbind_dn, cmd->argv[2]) != LDAP_SUCCESS) {
       ldap_unbind(ld_auth);
       return ERROR(cmd);