Port
Range
Protocol Source Destination Functionality Result of
Blocking Port
Required
gatekeeper
services.
gatekeeper
services.
3336 XML (TCP) XT Series Scopia
®
Management
Enables an XT
Series endpoint to
request a list of
meetings
scheduled for it on
that day from
Scopia
®
Management.
XT Series
endpoints cannot
send Scopia
®
Management
requests about
meeting
information.
Recommended
3336-
3337
XML (TCP) Scopia
®
XT
Desktop
server
XT Series Enables Scopia
®
XT Desktop
server to request
and receive the
XT Series' status
information.
Scopia
®
XT
Desktop clients
cannot connect to
the XT Series.
Mandatory if
using Scopia
®
XT Desktop
server.
3338 XML (TCP) Scopia
®
Control
XT Series Enables Scopia
®
Control to
communicate with
XT Series.
Scopia
®
Control
cannot
communicate with
the XT Series.
Mandatory if
using Scopia
®
Control.
3339 XML (TCP) Scopia
®
Control
XT Series Enables Scopia
®
Control to request
and receive
system status
messages from
the XT Series.
Scopia
®
Control
cannot receive
system status
messages from
the XT Series,
and cannot
function.
Mandatory if
using Scopia
®
Control.
3341 XML (TCP) Scopia
®
Management
XT Series Enables XT
Series to receive
notifications from
Scopia
®
Management with
its daily list of
meetings, meeting
participants, and
any meeting
updates.
XT Series
endpoints cannot
receive meeting
information from
Scopia
®
Management.
Recommended
3478-
3479
STUN
(UDP)
XT Series STUN server Enables XT
Series endpoints
to automatically
discover the
presence of a
firewall or NAT,
via the STUN
server, and to
XT Series
endpoints cannot
automatically
discover the
presence of a
firewall or NAT
(only manual
Optional
Table continues…
Implementing Port Security for the Avaya Scopia
®
XT Series
April 2015 Avaya Scopia
®
XT Series Deployment Guide 37
Comments? infodev@avaya.com
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