bruce wrote:
Hi..
Trying to run a simple ldap search/query against a supposedly public ldap
server. I've tried a number of copy/paste attempts that I've seen from
various sites with no luck...
If anyone has successfully pinged/queried a public ldap server from the
cmdline, can you post your cmd that you used so I can see what I'm missing..
the site www.emailman.com/ldap/public lists a number of public ldap servers.
i'm simply trying to figure out how to query/access the names from one of
the ldap servers.
as an example, i tried to use:
ldapsearch -x -h ldap.bu.edu -b "dc=bu,dc=edu" "(sn=tom*)"
(but this generates a ldap_bind: protocol error...
however, if i do:
ldapsearch -x -h stanford.edu -b "dc=stanford,dc=edu" "(sn=tom*)"
or
ldapsearch -x -h usc.edu -b "dc=usc,dc=edu" "(sn=tom*)"
then i get back a list of data...
also, the bu.edu for boston university, works on the website...
so, i'm sure i'm missing something simple, but i can't pin it down. any
help/pointers would be 'ppreciated!
my goal is to be able to understand how to query a public ldap server and to
be able to return different data elements.. (ie, name, given, first, or
email/phone/etc..)
See my response to David Timms. Try "-P 2" on the command line. Fedora
(and most distros) use newer LDAP clients that default to LDAP V3. The
"bu.edu" server is defaulting to LDAP V2 (and should be upgraded). The
"-P 2" option forces LDAP V2 protocol.
The "(sn=tom*)" is an LDAP filter. Your second command essentially
means "find me any entries whose surnames start with 'tom' ('sn' means
'surname') in the tree starting at 'stanford.edu' ('dc=stanford,dc=edu')
and return all attributes." If you only want specific attributes
returned, then place them after the filter, separated by commas:
ldapsearch -x -h stanford.edu -b "dc=stanford,dc=edu" "(sn=tom*)"
"gn,sn,cn,description"
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