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====== Access Restriction ======

The Access Restriction menu contains functions that let you block:

 \\

  * Access to the entire Internet.
  * Access to portions of the the Internet.
  * WiFi access to the network.

 \\ Access Restriction **rules only apply to HTTP (unencrypted) connections**. However, almost all web connections now use HTTPS (secure HTTP). As a result, this function is somewhat obsolete in terms of its ability to block Internet content.

Restrictions are done based on rules and a schedule.

Access Restriction only blocks traffic routed outbound to the Internet. It **cannot** restrict access between (switched) LAN clients. It also cannot block traffic when the device is used as a wireless bridge. For such scenarios, see the HOWTOs entitled: [[wireless_filtering|Wireless MAC filtering via script/scheduler]] and [[device_filtering|Block devices via script/scheduler]].

 \\

Rules can be customized to block:

 \\

  * Only certain sources
  * Only certain destinations
  * Only certain ports
  * Only certain protocols, or applications
  * Only certain HTTP activity
  * Combinations of the above

 \\

Rules can be edited in the Web interface, and through scripts.

See this HOWTO: [[access_restrictions|Scripting Access Restrictions]].


===== Access Restriction Overview =====

The table here displays all saved rules, both active and inactive.

All rules are listed here. However, adding/editing rules forwards you to another menu where you edit them.

 \\ \\ {{:access_restriction_overview_cropped.png?775}}


===== Editing Access Restriction Rules =====

After clicking on the Overview table mentioned above, you will be taken to the Rule Editing page.

Here:

 \\

  * To delete an existing rule, click on it on the Overview menu, \\ then in Rule Editing, click **Delete**.
  * To **Edit **an existing rule, click on it on the Overview menu, \\ make the changes and click Save.
  * To **Add** a new rule, click the //Add//  button on the Overview menu, \\ configure the changes and click Save.
  * On the Rule Editing page, sequential rule numbers will display \\ at the top left (For example: ID: 01)
  * These numbers will increment by 1 for each new rule you create.\\

\\  {{::access_restriction_editing_cropped.png?700x593}}

 \\

\\ **Enabled:** checking this enables this rule.

 \\

**Description:** here, you enter a name for this rule.

 \\

**Schedule:** here, configure the schedule settings for this rule.

 \\

  * All Day - checking this applies the rule for the entire day \\ (for all days selected in the Day section). Enabling this  \\ makes the Time options disappear.
  * Every Day - checking this applies the rule every day. \\ Enabling this makes the Days options disappear.
  * Time - here, set the start time/end time the rule will be applied.
  * Days - here, set the Days on which this rule will be applied.

 \\ **Type:**

  * Normal Access Restriction - sets the rule to include all  \\ options set below the "Disable Wireless" option.
  * Disable Wireless - this rule will disable all router WiFi interfaces.

\\ **Applies To:**

  * All Computers/Devices - this rule will apply to all network clients.
  * The Following... - the rule will apply to only the specified network clients.\\ Add clients by entering their MAC or IP address in the MAC/IP Address field, \\ then clicking //Add//.  Clients must be added one at a time.
  * All Except... - the rule will apply to all network clients except the one specified.\\ Think of this as similar to a client whitelist. \\ Add clients by entering their MAC or IP address in the MAC/IP \\ Address box, then clicking //Add//.  Clients must be added one at a time.

\\ **Blocked Resources:**

  * Block All Internet Access - blocks all Internet access to the selected clients.

\\ **Port / Application:**

More than one rule can be configured, click the //Add// button to add a rule.

 \\

  * Protocol - choose a protocol to block. Choosing a  \\ protocol with fixed ports will grey out the port field.
  * Port - select a source port/destination port.  \\ Then, enter the port number in the next box. \\ This may be greyed out if you chose a fixed protocol \\ in the Protocol field.
  * Application - select which application to block. 
  * Address - select source and/or destination IP address, \\ then enter the IP address in the next field.

\\  \\

**HTTP Request:**

In this field, enter the text on which the Access Restrictions in this rule will be applied.

 \\

For example:

An entry that contains: "%%^begins-with.domain"%%

will block access to any domain that start with the text "begins-with". \\

 \\ An entry that contains: "%%.ends-with.net$"%%

will block any domain that ends with "net" . \\

 \\ An entry that contains: "%%^www.exact-domain.net"$%%

will block any entry that begins with "www.exact-domain" and ends with ".net"\\

 \\

**HTTP Requested Files: **

This function will block downloads of certain file types, including:

  * ActiveX - this will block Windows controls (which usually have \\ an.ocx or .cab file ending).
  * Flash (swf) - this option will block Flash .swf files.
  * Java (class, jar) - this option blocks Java (usually class or .jar) files.

\\  \\

**Delete:**  deletes the Access Restriction rule displayed on the screen.

 \\

**Save:**  saves the current rule displayed on the screen.

 \\

**Cancel:**  cancels the current rule change(s)/creation, returns you to Access Restriction Overview.  \\   \\  \\   \\  \\
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