D 14049.01
07.2007 46
TANDBERG VIDEO COMMUNICATION SERVER
ADMINISTRATOR GUIDE
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Introduction Getting
Started
System
Overview
System
Configuration
H.323 & SIP
Configuration
Registration
Control
Zones and
Neighbors
Call
Processing
Firewall
Traversal
Bandwidth
Control Maintenance Appe ndices
TANDBERG VIDEO COMMUNICATION SERVER
ADMINISTRATOR GUIDE
Registration
Control
About Allow and Deny Lists
When an endpoint attempts to re gister with
the VCS it presents a list of aliases. You can
control which endpoints are all owed to register
by setting the Restriction Po licy to AllowList
or DenyList and then includin g any one of the
endpoint’s aliases on the Allow List or th e
Deny list as appropriate. Each list c an contain
up to 2,500 entries. When an endpo int
attempts to register, each of its alias es is
compared with the patter ns in the relevant list
to see if it matches. Only one of the ali ases
needs to appear in the Allow List or t he Deny
List for the registration to be all owed or
denied.
For example, If the Registratio n Restriction
policy is set to DenyList and an endp oint
attempts to register using thre e aliases, one
of which matches a pattern on th e Deny list,
that endpoint’s registration wil l be denied.
Likewise, if the Registration Rest riction policy
is set to AllowList, only one of the endp oint’s
aliases needs to match a pattern o n the Allow
list for it to be allowed to register using a ll its
aliases.
Patterns and Pattern Types
Entries on the Allow List and Deny L ist are a
combination of Pattern and Type. T he Pattern
specifies the string to be ma tched; the Type
determines whether that str ing;
must match the Pattern exact ly (Exact)
must appear at the start of th e alias
(Prefix)
must appear at the end of the alias (Suf fix)
is in the form of a Regular Expressi on
(Regex).
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Allow and Deny Lists

Restriction policy

Specifies the policy to be use d when determining which end points may register with the VC S.
None: Any endpoint may register.
AllowList: Only those endpoin ts with an alias that matches an ent ry in the Allow List may registe r.
DenyList: All endpoints may reg ister, unless they match an entry o n the Deny List.
The default is None.
Registration Control
Activating use of Allow or Deny Lists
To activate the use of Allow or Deny lists to de termine which aliases are allowe d to register with the VCS:
VCS Configuration > Registration > Conf iguration.
You will be taken to the Registration Con figuration page.
xConfiguration Registration RestrictionPolicy
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Allow Lists and Deny Lists are mutu ally
exclusive: only one may be in use at
any given time.
Save
Click here to save your changes.