use the consent function to specify which computers are always filtered and which are filtered only when such
protection is requested by the user. you can also configure consent to require users to agree to the terms outlined in an organization’s acceptable use policy before you allow them to browse the web any further.
click filter, and then select the consent tab. a window similar to that in figure 32 is displayed.
figure 32 consent window
1 require consent
click this check box to enable the consent features.
2 maximum web usage
in an environment where there are more users than computers, such as a classroom or library, time limits are often imposed. you can set up the internet firewall to remind users when their time has expired by displaying the page defined in the consent page url box. type the time limit, in minutes, in the maximum web usage box. specify the default value of zero (0) to disable this feature.
3 user idle timeout
after a period of inactivity, the internet firewall requires the user to agree to the terms outlined in the consent tab before it allows any additional web browsing. to configure the value, follow the link to the user privileges window and type the desired value in the privileged user idle timeout box.
4 consent page url (optional filtering)
when users begins an internet session on a computer that is not always filtered, they are shown a consent page and given the option to access the internet with or without filtering.
you create this page in html. it may contain the text
from, or links to the acceptable use policy (aup).
you must include in this page links to two pages contained in the internet firewall which, when selected, tell the internet firewall if the user wishes to have filtering enabled or disabled. the link for unfiltered access must be: 192.168.1.254/iaccept.html the link for filtered access must be: 192.168.1.254/iacceptfilter.html
if you have changed the ip address or the internet firewall use the web address of the internet firewall instead of 192.168.1.254.
these links are case sensitive.
when entering these addresses you should not enter http:// before the address.
1 “consent accepted” url (filtering off)
when users accept the terms outlined in the consent page and choose to access the internet without the protection of filtering, they are shown a page to confirm their selection. type the url of this page in the “consent accepted” (filtering off) box.
2 “consent accepted” url (filtering on)
when users accept the terms outlined in the consent page and choose to access the internet with the protection of filtering, they are shown a page to confirm their selection. type the url of this page in the “consent accepted” (filtering on) box.
3 consent page url (mandatory filtering)
when users begin an internet session on a computer where filtering is mandatory, as described below, they are shown a consent page.you create this page, and can add the text from the acceptable use policy, and notification that violations of the aup are blocked and logged.
you must include in this page a link to a page contained in the internet firewall which, when selected, tell the internet firewall that the user wishes to have filtering enabled. the link must be: 192.168.1.254/iacceptfilter.html
use the web address of the internet firewall instead of 192.168.1.254.
these links are case sensitive.
type the url of this page in the consent page url (mandatory filtering) box and click update to send the configuration data to the internet firewall.
add new address
you can configure the internet firewall to provide filtering always for certain computers on the lan. type the ip addresses of these computers in the add new address box and click submit. you can add up to 128 ip addresses. to remove a computer from the list of computers to be filtered, highlight the ip address in the list and click delete address.
you must be using static ip addressing.