Technicolor CGA4131 User Manual

3/6/2018 Proprietary and Confidential - Technicolor 79
Figure 8.1
The following table explains the traffic restrictions while setting the firewall level to various
levels – High, Medium, Low and Off.
Firewall
level
Restrictions on inbound
traffic
Restrictions on outbound
traffic
Remarks
High
All unsolicited inbound
traffic is blocked, and
Intrusion Detection is
enabled.
All traffic except the
following are restricted:
• HTTP and HTTPS (TCP
ports 80, 443)
• DNS (TCP/UDP port 53)
• NTP (UDP ports 119, 123)
• Email (TCP ports 25, 110,
143, 465, 587, 993, 995)
• VPN (GRE, UDP port 500,
TCP port 1723)
• iTunes (TCP port 3689)
Both inbound and
outbound traffic are
restricted
Medium
Inbound traffic is blocked for
the following services:
No restrictions - Outbound
connections are allowed by
the firewall regardless of the

Technicolor CGA4131 Specifications

General

Brand	Technicolor
Model	CGA4131
Category	Gateway
Language	English