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D14049.04
JULY 2008
Grey Headline (continued)
TANDBERG VIDEO COMMUNICATIONS SERVER
ADMINISTRATOR GUIDE
Introduction Getting Started
Overview and
Status
System
Conguration
VCS
Conguration
Zones and
Neighbors
Call
Processing
Bandwidth
Control
Firewall
Traversal
Appendices
Applications Maintenance
Registration Control
About Allow and Deny Lists
When an endpoint attempts to register with the VCS it presents a list of aliases.
You can control which endpoints are allowed to register by setting the Restriction
Policy to AllowList or DenyList and then including any one of the endpoint’s aliases
on the Allow List or the Deny list as appropriate. Each list can contain up to 2,500
entries. When an endpoint attempts to register, each of its aliases is compared
with the patterns in the relevant list to see if it matches. Only one of the aliases
needs to appear in the Allow List or the Deny List for the registration to be allowed
or denied.
For example, If the Registration Restriction policy is set to DenyList and an
endpoint attempts to register using three aliases, one of which matches a
pattern on the Deny list, that endpoint’s registration will be denied. Likewise, if
the Registration Restriction policy is set to AllowList, only one of the endpoint’s
aliases needs to match a pattern on the Allow list for it to be allowed to register
using all its aliases.
Patterns and Pattern Types
Entries on the Allow List and Deny List are a combination of Pattern and Type.
The Pattern species the string to be matched; the Type determines whether that
string;
must match the Pattern exactly (
•
Exact)
must appear at the start of the alias (
•
Prex)
must appear at the end of the alias (
•
Sufx)
is in the form of a Regular Expression (
•
Regex).
Allow and Deny Lists
Restriction policy
Species the policy to be used when determining which
endpoints may register with the VCS.
None: Any endpoint may register.
AllowList: Only those endpoints with an alias that matches an
entry in the Allow List may register.
DenyList: All endpoints may register, unless they match an entry
on the Deny List.
The default is None.
Activating use of Allow or Deny Lists
To activate the use of Allow or Deny lists to determine which aliases are allowed to register with the VCS:
VCS Conguration > Registration > Conguration
•
.
You will be taken to the Registration Conguration page.
xConguration Registration RestrictionPolic
•
y
Allow Lists and Deny Lists are mutually
exclusive: only one may be in use at any
given time.
Save
Click here to save your changes.
Removing existing registrations
Once an Allow List or Deny List has been activated, it will be used to control all
registration requests from that point forward. However, any existing registrations
will remain in place, even if the new list would otherwise block them. For
this reason we recommend that you manually remove all existing unwanted
registrations after you have implemented an Allow List or Deny List.
To manually remove a registration; navigate to Status > Registrations, select the
registration(s) you wish to remove, and click Unregister.