URL address management

The URL address management section enables you to specify HTTP addresses to block, allow or exclude from checking.

Websites in the List of blocked addresses will not be accessible unless they are also included in the List of allowed addresses. Websites in the List of addresses excluded from checking are not scanned for malicious code when accessed.

Enable SSL/TLS protocol filtering must be selected if you want to filter HTTPS addresses in addition to HTTP web pages. Otherwise only the domains of HTTPS sites that you have visited will be added, the full URL will not be.

If you add a URL address to the List of addresses excluded from filtering, the address will be excluded from scanning. You can also allow or block certain addresses by adding them to the List of allowed addresses or List of blocked addresses.

If you want to block all HTTP addresses except addresses present in the active List of allowed addresses, add * to the active List of blocked addresses.

The special symbols * (asterisk) and ? (question mark) can be used in lists. The asterisk substitutes any character string, and the question mark substitutes any symbol. Particular care should be taken when specifying excluded addresses, because the list should only contain trusted and safe addresses. Similarly, it is necessary to ensure that the symbols * and ? are used correctly in this list. See Add HTTP address / domain mask for how a whole domain including all subdomains can be matched safely. To activate a list, select List active. If you want to be notified when entering an address from the current list, select Notify when applying.

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URL address management also allows you to block or allow the opening of specific file types during internet browsing. For example, if you do not want executable files to be opened, select the list where you want to block these files from the drop-down menu and then enter the mask "**.exe".

CONFIG_EPFW_SCAN_HTTP_EXCLUDELIST

Control elements

Add – Creates a new list in addition to the predefined ones. This can be useful if you want to logically split different groups of addresses. For example, one list of blocked addresses may contain addresses from an external public blacklist, and a second one may contain your own blacklist, making it easier to update the external list while keeping yours intact.

Edit – Modifies existing lists. Use this to add or remove addresses.

Remove – Deletes existing lists. Only available for lists created with Add, not for default lists.