3Com 3CR16110-95-US User Guide - Page 72

Enable Filtering on Custom List, Disable all Web traffic except for Trusted Domains

Page 72 highlights

72 CHAPTER 5: SETTING UP WEB FILTERING Enable Filtering on Custom List Use this to enable or disable the custom filtering without re-entering all site names. You do not have to re-enter names when the Web Site Filter is updated each week, as the custom list does not expire. Disable all Web traffic except for Trusted Domains Click the Disable Web traffic except for Trusted Domains check box to allow Firewall Web access only to sites on the Trusted Domains list. With careful screening, this can block almost all objectionable material. Don't block Java/ActiveX/Cookies to Trusted Domains Click this check box to make the Firewall allow Java, ActiveX and cookies from sites on the Trusted Domains list to the LAN. In certain cases, it may be desirable to allow Java, ActiveX or cookies from sites that are known and trusted. Changing the Message to display when a site is blocked When a user attempts to access a site that is blocked by the Web Site Filter, a message is displayed on their screen. The default message is: Web Site Blocked by 3Com SuperStack 3 Firewall. You can type any message, including embedded HTML, up to 255 characters long in this box. For example, if you type the following: Access to this site was denied because it appears to violate this organization's Acceptable Use Policy. Please contact the Network Administrator if you feel this was in error. The user will see the following displayed when they attempt to visit a blocked site: Access to this site was denied because it appears to violate this organization's Acceptable Use Policy. Please contact the Network Administrator if you feel this was in error. Where the underlined sections are links to your company's acceptable use policy and to the network administrator's email address.

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72
C
HAPTER
5: S
ETTING UP
W
EB
F
ILTERING
Enable Filtering on Custom List
Use this to enable or disable the custom filtering without re-entering all
site names. You do not have to re-enter names when the Web Site Filter
is updated each week, as the custom list does not expire.
Disable all Web traffic except for Trusted Domains
Click the
Disable Web traffic except for Trusted Domains
check box to
allow Firewall Web access only to sites on the
Trusted Domains
list. With
careful screening, this can block almost all objectionable material.
Don’t block Java/ActiveX/Cookies to Trusted Domains
Click this check box to make the Firewall allow Java, ActiveX and cookies
from sites on the
Trusted Domains
list to the LAN. In certain cases, it may
be desirable to allow Java, ActiveX or cookies from sites that are known
and trusted.
Changing the
Message to display
when a site is blocked
When a user attempts to access a site that is blocked by the Web Site
Filter, a message is displayed on their screen. The default message is:
Web Site Blocked by 3Com SuperStack 3 Firewall
.
You can type any message, including embedded HTML, up to 255
characters long in this box.
For example, if you type the following:
Access to this site was denied because it appears to
violate this organization’s
tm>Acceptable Use Policy</A>. Please contact the
<A HREF=”mailto:[email protected]”>Network
Administrator</A> if you feel this was in error.
The user will see the following displayed when they attempt to visit a
blocked site:
Access to this site was denied because it appears to
violate this organization’s Acceptable Use Policy
. Please
contact the Network Administrator
if you feel this was in
error.
Where the underlined sections are links to your company
s acceptable use
policy and to the network administrator
s email address.