NEC ZA-SA3500G, Руководство по эксплуатации функций

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| Function Specification 53
3.3.9. Web Guard (WG ）
This guards against dangerous web sites such as phishing sites and browsing that may cause virus infections.
[Detection contents]
It detects traffic to dangerous websites, and blocks access to the concerned website.
Type of Traffic Description
HTTP traffic The URL host name and path name are used to determine whether traffic is to a
dangerous website
HTTPS traffic The URL host name is used to determine whether traffic is to a dangerous website
When it is determined that the traffic is to a dangerous site, access to the concerned website is intercepted according
to the following.
Type of Traffic Description
HTTP traffic (GET) The screen “Page Forbidden (Category: Malicious Website)“ is displayed.
HTTP traffic (POST) Communication to the concerned website is blocked.
HTTPS traffic
(GET, POST) SSL handshake with the concerned website fails.
[Protocol to be detected]
Protocol Description
HTTP Port number to be detected : 80
HTTP detection method : GET, POST
HTTPS Port number to be detected : 443
HTTP detection method : GET, POST
*May not be able to detect HTTP1.0.
*Depending on the communication contents, it can detect non-port 80.
[Setting individual permission]
Specific website access not included in the threat detection can be set.
Internet
User Network
SA3500G
Prevention