Url Keyword Filter（Kf - NEC ZA-SA3500G Function Manual

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.
User Network
[Detection contents]
Register a specific character string beforehand, and access to a URL containing that particular character string will be
blocked.
Protocol Description
HTTP ・Make sure that the keyword is
included in the "host name" and
"path name" of the URL.
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.
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
HTTP traffic (GET)
HTTP traffic (POST)
HTTPS traffic
(GET, POST)
[Protocols to be detected]
Protocol Description
HTTP Port number to be detected : 80
HTTP detection method
HTTPS Port number to be detected : 443
HTTP detection method
*May not be able to detect HTTP1.0.
SA3500G
Description
The screen "Page Forbidden." is displayed.
Communication to the concerned website is blocked.
SSL handshake with the concerned site fails.
: GET, POST
: GET, POST
aaaa，bbbb ･･･
Block
Example
・"example.com" is set as keyword.
->http://example.com is blocked.
・"violence" is set as keyword.
->http://example.com/violence is blocked.
・"example.com" is set as keyword.
->https://example.com is blocked.
・"violence" is set as keyword.
->https://example.com/violence is not blocked.
Internet
|Function Specification 61