openldap-technical November 2012

openldap-technical@openldap.org

62 participants
68 discussions

n-way multimaster replication with ssl and tls
by anil beniwal 16 Nov '12

16 Nov '12

Hi List Can any body guide me through the steps required to setup n-way multimaster(3 or more servers at diff countries) replication with openldap 2.4.2 1. ssl based 2. tls based I am having normal replication running b/w 3 servers. Now i want to setup secure replication. i am using self signed certificate on RHEL 6.3. How can i validate whether replication is working fine for ssl or tls. How to enable replication logs. Anything else i should check out. I have already gone through a lot of postings on google. -- Thanks&Regards Anil Beniwal

1 0

restricting access *to* entries by a group member
by Elan Ruusamäe 16 Nov '12

16 Nov '12

hi the goal is to make some users hidden from part of the ldap tree from Apache, as Apache mod_ldap requires only one entry to be returned for anonymous search it performs. there can be duplicates in the same ldap directory, like, for example there's another uid=glen present the tree looks like this: +- dc=example,dc=net +- cn=Manager +- ou=People +- uid=glen +- ou=Basement +- uid=glen +- ou=Groups +- cn=Hidden Users +- member: uid=glen,ou=People,dc=example,dc=net in what ou=Basement,ou=People,dc=example,dc=net is filled by "database ldap", and it causes duplicate uid entries in the directory (unavoidable) so far i have just static acl that is working: access to dn.regex="uid=(glen|somebody-else),ou=People,dc=delfi,dc=net" attrs=uid by anonymous =rcxd it would be better if that can be done by dynamic group lookup via acl. as i see it, there shoould be acl stating if access to uid=.+,ou=People,dc=example,dc=net is attempted, it is checked first that it is not "member" of cn=Hidden Users,ou=Groups,dc=example,dc=net and if it's member, access to entry is denied. however i'm unable to complete such acl rule i have read manual, and tried to experiment, but i can't make up such dynamic configuration. any help from the list? -- glen

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Question about "sockbuf_max_incoming"
by Tianyin Xu 16 Nov '12

16 Nov '12

Hi, all, Good day! Could anyone explain the two following configuration directive: *sockbuf_max_incoming* <*integer*> Specify the maximum incoming LDAP PDU size for anonymous sessions. The default is 262143. *sockbuf_max_incoming_auth* <*integer*> Specify the maximum incoming LDAP PDU size for authenticated sessions. The default is 4194303. In which scenario, we need to configure these directive? What value should we set? Thanks a lot! Tianyin -- Tianyin XU, http://cseweb.ucsd.edu/~tixu/

1 0

DN matching rules
by Chris Card 16 Nov '12

16 Nov '12

Hi all, I see that openldap supports a number of matching rules for DNs, e.g. dnOneLevelMatch, dnSubtreeMatch, dnSubordinateMatch and dnSuperiorMatch. Please can someone point me to documentation about these matching rules? (Google doesn't seem to bring up much useful). Chris

4 9

Password policy
by jeevan kc 15 Nov '12

15 Nov '12

Hello thereI want to enable password policy on Openldap 2.4.30(to all users) running on Linux machine. I see that the ppolicy.ldif and ppolicy.schema are listed under /usr/local/etc/openldap/schema but are not present on /usr/local/etc/openldap/slapd.d/cn=config folder. So do I need to add the policy.ldif to the cn=config folder ? Is there like specific procedure to do that or can I add manually with ldapadd ? Also how do I enable that schema to all users ? Please help.

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Re: last login time
by Clément OUDOT 15 Nov '12

15 Nov '12

2012/11/15 Quanah Gibson-Mount <quanah(a)zimbra.com> > > > d) I would note that RedHat's 2.4 build is linked to NSS, which is fairly > problematic. See <http://www.openldap.org/**lists/openldap-devel/201204/* > *msg00019.html<http://www.openldap.org/lists/openldap-devel/201204/msg00019.html>> > and <http://www.openldap.org/its/**index.cgi/?findid=7367<http://www.openldap.org/its/index.cgi/?findid=7367>>. > I do not know if the LTB project makes this same mistake or not. > > LTB packages use OpenSSL. Clément.

1 0

Re: "authtimestamp" attribute replication
by Clément OUDOT 13 Nov '12

13 Nov '12

2012/11/13 Quanah Gibson-Mount <quanah(a)zimbra.com> > --On Tuesday, November 13, 2012 7:29 PM +0000 jeevan kc < > jeev_biz(a)hotmail.com> wrote: > > >> Hello >> So I have initiated the lastbind overlay and have retrived the >> 'authtimestamp' attribute on openldap 2.4.30. What I found is that the >> timestamps on the attribute have different values on the master server >> and slave servers. Is there any way to fix this issue? An application >> developer wants to retreive this value to create a report on 90 days of >> inactivity for users and since the attribute has different vlaues on >> different servers the testing on the accuracy of the report is failing. >> Thank you. >> > > Read the slapo-ppolicy(5) man page. > I'm sorry but I think RTFM is not the good answer this time ;) authtimestamp is not managed by ppolicy but by the lastbind overlay. To answer the question, I think the only thing to do is check all directories to create the report. It should be not be difficult for your application developer. Clément. > > --Quanah > > -- > > Quanah Gibson-Mount > Sr. Member of Technical Staff > Zimbra, Inc > A Division of VMware, Inc. > -------------------- > Zimbra :: the leader in open source messaging and collaboration > >

2 1

"authtimestamp" attribute replication
by jeevan kc 13 Nov '12

13 Nov '12

Hello So I have initiated the lastbind overlay and have retrived the 'authtimestamp' attribute on openldap 2.4.30. What I found is that the timestamps on the attribute have different values on the master server and slave servers. Is there any way to fix this issue? An application developer wants to retreive this value to create a report on 90 days of inactivity for users and since the attribute has different vlaues on different servers the testing on the accuracy of the report is failing. Thank you.

2 1

OpenLDAP on SMP/multicore environment
by Friedrich Locke 12 Nov '12

12 Nov '12

Hi folks, i would like to set up a new openldap server in my workplace. If possible, i would like to install openldap in a multicore server running OpenBSD/amd64 5.1. May OpenLDAP benefit from a SMP system? If yes, any tip on where to go to learn how to set up OpenLDAP to take full advantage of a SMP system ? Thanks in advance.

2 1

Re: Index Add Failures
by Kyle Smith 12 Nov '12

12 Nov '12

a) Slapadd does a slapindex. Why would you slapadd and then slapindex? > Because I forgot that slapadd also does slapindex. > > b) What version of OpenLDAP? slapindex still shouldn't cause a failure. 2.4.33 > > > --Quanah > > -- > > Quanah Gibson-Mount > Sr. Member of Technical Staff > Zimbra, Inc > A Division of VMware, Inc. > -------------------- > Zimbra :: the leader in open source messaging and collaboration >

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openldap-technical November 2012