Draytek Vigor IPPBX 2820 Series User Manual page 278

Vigor ippbx 2820 series
Table of Contents

Advertisement

The items categorized under Misc -----
6
.
4
.
2
U
R
L
C
o
n
t
e
n
6
.
4
.
2
U
R
L
C
o
n
t
e
n
To provide an appropriate cyberspace to users, Vigor router equips with URL Content Filter
not only to limit illegal traffic from/to the inappropriate web sites but also prohibit other web
feature where malicious code may conceal.
Once a user type in or click on an URL with objectionable keywords, URL keyword blocking
facility will decline the HTTP request to that web page thus can limit user's access to the
website. You may imagine URL Content Filter as a well-trained convenience-store clerk
who won't sell adult magazines to teenagers. At office, URL Content Filter can also provide
a job-related only environment hence to increase the employee work efficiency. How can
URL Content Filter work better than traditional firewall in the field of filtering? Because it
checks the URL strings or some of HTTP data hiding in the payload of TCP packets while
legacy firewall inspects packets based on the fields of TCP/IP headers only.
On the other hand, Vigor router can prevent user from accidentally downloading malicious
codes from web pages. It's very common that malicious codes conceal in the executable
objects, such as ActiveX, Java Applet, compressed files, and other executable files. Once
downloading these types of files from websites, you may risk bringing threat to your system.
For example, an ActiveX control object is usually used for providing interactive web feature.
If malicious code hides inside, it may occupy user's system.
t
F
i
l
t
e
r
P
r
o
f
i
l
e
t
F
i
l
t
e
r
P
r
o
f
i
l
e
270
VigorIPPBX 2820 Series User's Guide

Advertisement

Table of Contents
loading

This manual is also suitable for:

Vigor ippbx 2820n

Table of Contents