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LDAP configuration for device authentication
Adding H.350 objects
Create the organizational hierarchy
1. Open up the Active Directory Users and Computers MMC
snap-in.
2. Under your BaseDN right-click and select New Organizational
Unit.
3. Create an Organizational unit called h350.
It is good practice to keep the H.350 directory in its own
organizational unit to separate out H.350 objects from
other types of objects. This allows access controls to be
setup which only allow the VCS read access to the BaseDN and
therefore limit access to other sections of the directory.
Add the H.350 objects
1. Create an ldif file with the following contents:
# MeetingRoom1 endpoint
dn: commUniqueId=comm1,ou=h350,DC=X
objectClass: commObject
objectClass: h323Identity
objectClass: h235Identity
objectClass: SIPIdentity
commUniqueId: comm1
h323Identityh323-ID: MeetingRoom1
h323IdentitydialedDigits: 626262
h235IdentityEndpointID: meetingroom1
h235IdentityPassword: mypassword
SIPIdentityUserName: meetingroom1
SIPIdentityPassword: mypassword
SIPIdentitySIPURI: sip:MeetingRoom@X
The SIP URI in the ldif file must be prefixed by sip:.
!
Overview and
System
Introduction
status
configuration
D14049.07
March 2010
Microsoft Active Directory
2. Add the ldif file to the server using the command:
ldifde -i -c DC=X <ldap _ base> -f filename.ldf
where:
<ldap _ base> is the base DN of your Active Directory
Server.
The example above will add a single endpoint with an H.323
ID alias of MeetingRoom1, an E.164 alias of 626262 and a
SIP URI of MeetingRoom@X The entry also has H.235 and SIP
credentials of ID meetingroom1 and password mypassword
which are used during authentication.
H.323 registrations will look for the H.323 and H.235 attributes;
SIP will look for the SIP attributes. Therefore if your endpoint
is registering with just one protocol you do not need to include
elements relating to the other.
For information about what happens when an alias is not
in the LDAP database see the
VCS
Zones and
Clustering and
configuration
neighbors
peers
Alias origin
section.
Call
Bandwidth
processing
control
198
TANDBERG
VIDEO COMMUNICATION SERVER
Securing with TLS
To enable Active Directory to use TLS, you must request and
install a certificate on the Active Directory server. The certificate
must meet the following requirements:
•
Be located in the Local Computer's Personal certificate store.
This can be seen using the Certificates MMC snap-in.
•
Have the private details on how to obtain a key associated
for use with it stored locally. When viewing the certificate you
should see a message saying "You have a private key that
corresponds to this certificate''.
•
Have a private key that does not have strong private key
protection enabled. This is an attribute that can be added to
a key request.
•
The Enhanced Key Usage extension includes the Server
Authentication object identifier, again this forms part of the
key request.
•
Issued by a CA that both the domain controller and the client
trust.
•
Include the Active Directory fully qualified domain name of
the domain controller in the common name in the subject
field and/or the DNS entry in the subject alternative name
extension.
To configure the VCS to use TLS on the connection to the LDAP
server you must upload the CA's certificate as a trusted CA
certificate. This can be done on the VCS by navigating to:
•
Maintenance > Security certificates
Firewall
Applications
Maintenance
traversal
ADMINISTRATOR GUIDE
Appendices
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