![Crestron 3 Series Скачать руководство пользователя страница 40](http://html.mh-extra.com/html/crestron/3-series/3-series_reference-manual_2683607040.webp)
36
•
3-Series Control Systems
Reference Guide – DOC. 7150B
Firewall Rules in Normal Operation
Under normal operating procedures, the firewall on the control system router
behaves as follows.
Control System Firewall Rules - Normal Operation
DIRECTION
PORT(S)
RULE
DESCRIPTION
Inbound from LAN
20, 21
To CPU
FTP (if enabled)
Inbound from LAN
22
To CPU
SSH
Inbound from LAN
80, 443
To CPU
Web server (if enabled)
Inbound from LAN
843
To CPU
Flash policy server (if enabled)
Inbound from LAN
41794-41797
To CPU
Crestron communication protocols
Inbound from LAN
Listen ports
used by
program
To CPU
Programmatic listeners
Inbound from LAN
64000-64299 To devices
on control
system
Allows Crestron management tools to access
devices on the Control Subnet; ports are
opened and closed as needed
Control Subnet
outbound to LAN
Any port
Allowed
All outbound traffic is allowed
Inbound from LAN
User-defined
User-
defined
Allows manual port forwarding to devices on
Control Subnet
Firewall Rules in Isolation Mode
Under normal operating procedures, the firewall on the control system router
behaves as follows.
Control System Firewall Rules - Isolation Mode
DIRECTION
PORT(S)
RULE
DESCRIPTION
Inbound from LAN
20, 21
To CPU
FTP (if enabled)
Inbound from LAN
22
To CPU
SSH
Inbound from LAN
80, 443
To CPU
Web server (if enabled)
Inbound from LAN
843
To CPU
Flash policy server (if enabled)
Inbound from LAN
41794-41797
To CPU
Crestron communication protocols
Inbound from LAN
Listen ports
used by
program
To CPU
Programmatic listeners
Inbound from LAN
64000-64299
Blocked
In isolation mode, Crestron management
tools cannot connect to any devices on the
Control Subnet
Control Subnet
outbound to LAN
Any port
All other
devices:
Blocked
No outbound traffic is allowed
Inbound from LAN
User-defined
Blocked
In isolation mode, no port forwarding can be
managed by the user