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Function Specification
61
3.3.11.
URL Keyword Filter
（
KF
）
By registering a specific string beforehand, access to the website of the URL that contains the corresponding string is
blocked. If there is a URL for which access needs to be prohibited, use this function to set the URL to prohibit access.
Set the character string in the Web setting.
[Detection contents]
Register a specific character string beforehand, and access to a URL containing that particular character string will be
blocked.
Protocol Description
Example
HTTP
・
Make sure that the keyword is
included in the “host name“ and
“path name“ of the URL.
・“
example.com“ is set as keyword.
->http://example.com is blocked.
・“
violence“ is set as keyword.
->http://example.com/violence is blocked.
HTTPS
・
Make sure that the keyword is
included in the “host name“ of the
URL.
・
It does not judge even if the “path
name“ contains the keyword.
・“
example.com“ is set as keyword.
->https://example.com is blocked.
・“
violence“ is set as keyword.
->https://example.com/violence is not blocked.
When the corresponding character string is included in the URL, the access to the concerned website is blocked
according to the following operations.
Type of Traffic
Description
HTTP traffic (GET)
The screen “Page Forbidden.“ is displayed.
HTTP traffic (POST)
Communication to the concerned website is blocked.
HTTPS traffic
(GET, POST)
SSL handshake with the concerned site fails.
[Protocols 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.
Internet
User Network
Block
aaaa
，
bbbb
･･･
SA3500G
