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Function Specification
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3.3.
Security/Scan Function
3.3.1.
Security/Scan Function Overview
This product offers the following security/scan functions.
Security/Scan Function
Abbreviation Detection Type
Description
Firewall
FW
Access control
DoS attack detection, SPI
Antivirus *1
AV
Threat detection Detection and removal of virus (data
rewriting).
Intrusion Prevention System
*1
IPS
Threat detection Prevention of network attacks.
Web Guard *1
WG
Web access
control
Detection and interception of malicious
websites.
URL Filter *1
UF
Web access
control
Website category is identified and blocked.
URL Keyword Filter *1
KF
Web access
control
Detection and blocking of a website that
contains customer-defined keywords.
Application Guard *1
APG
Application
access control
Identification and interception of applications
on the network.
*1 Encrypted packets are not supported by Antivirus (AV), Intrusion Prevention System (IPS), Web Guard (WG), URL
Filter (UF), URL Keyword Filter (KF), and Application Guard (APG).
*There is also a function to leave detection information in the log without interrupting communication at the time of
threat detection. Use this to check only the threat situation of the environment. However, since it does not block
operation, use it after considering the security policy of the environment.
3.3.2.
Scanned Traffic
Scanned traffic are as follows.
Mode
Scanned Traffic
Bridge mode
The detection target of the security/scan function is an IP packet that passes through the
WAN port and LAN port of this product. IPv4 and IPv6 packets are targeted.
Supports PPPoE (PPP) frame.
Only some security/scan functions support SSL/TLS packets.
IP in IP packet supports the following types.
IPv4 in IPv6, IPv6 in IPv4
*If the firewall feature is enabled, set the settings to pass or block IPv6 packets to suit the
environment.
Router mode
IPv4 packet is the detection target of the security/scan function.
Only some security/scan functions support SSL/TLS packets
*Since this product does not have the IPv6 routing function, it does not support IPv6 packet
security/scan function.