4 :389 ldap

$ ldapsearch -h 10.10.10.193 -x -s base namingcontexts
# extended LDIF
#
# LDAPv3
# base <> (default) with scope baseObject
# filter: (objectclass=*)
# requesting: namingcontexts

#
dn:
namingContexts: DC=fabricorp,DC=local
namingContexts: CN=Configuration,DC=fabricorp,DC=local
namingContexts: CN=Schema,CN=Configuration,DC=fabricorp,DC=local
namingContexts: DC=DomainDnsZones,DC=fabricorp,DC=local
namingContexts: DC=ForestDnsZones,DC=fabricorp,DC=local

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1

# checking for null creds
$ ldapsearch -x -h 10.10.10.193 -D '' -w '' -b "DC=fabricorp,DC=local"
# extended LDIF
#
# LDAPv3
# base <DC=fabricorp,DC=local> with scope subtree
# filter: (objectclass=*)
# requesting: ALL
#

# search result
search: 2
result: 1 Operations error
text: 000004DC: LdapErr: DSID-0C090A6C, comment: In order to perform this opera
 tion a successful bind must be completed on the connection., data 0, v3839
 
# didn't work

# numResponses: 1