Customizing captive portal pages

Customizing captive portal pages

These pages are defined in replacement messages. Defaults are provided. In the web-based manager, you can modify the default messages in the SSID configuration by selecting Customize Portal Messages. Each SSID can have its own unique portal content.

The captive portal contains the following default web pages:

  • Login page—requests user credentials

Typical modifications for this page would be to change the logo and modify some of the text.

You can change any text that is not part of the HTML code nor a special tag enclosed in double percent (%) characters.

There is an exception to this rule. The line “Please enter your credentials to continue” is provided by the

%%QUESTION%% tag. You can replace this tag with text of your choice. Except for this item, you should not remove any tags because they may carry information that the FortiGate unit needs.

  • Login failed page—reports that the entered credentials were incorrect and enables the user to try again.

The Login failed page is similar to the Login page. It even contains the same login form. You can change any text that is not part of the HTML code nor a special tag enclosed in double percent (%) characters.

There is an exception to this rule. The line “Firewall authentication failed. Please try again.” is provided by the %%FAILED_MESSAGE%% tag. You can replace this tag with text of your choice. Except for this item, you should not remove any tags because they may carry information that the FortiGate unit needs.

  • Disclaimer page—is a statement of the legal responsibilities of the user and the host organization to which the user must agree before proceeding.(WiFi or SSL VPN only)
  • Declined disclaimer page—is displayed if the user does not agree to the statement on the Disclaimer page. Access is denied until the user agrees to the disclaimer.

 

Changing images in portal messages

You can replace the default Fortinet logo with your organization’s logo. First, import the logo file into the FortiGate unit and then modify the Login page code to reference your file.

 

To import a logo file:

1. Go to System > Config > Replacement Messages and select Manage Images.

2. Select Create New.

3. Enter a Name for the logo and select the appropriate Content Type.

The file must not exceed 24 Kilo bytes.

4. Select Browse, find your logo file and then select Open.

5. Select OK.

 

To specify the new logo in the replacement message:

1. Go to System > Network > Interfaces and edit the interface.

The Security Mode must be Captive Portal.

2. Select the portal message to edit.

  • In SSL VPN or WiFi interfaces, in Customize Portal Messages click the link to the portal messages that you want to edit.
  • In other interfaces, make sure that Customize Portal Messages is selected, select the adjacent Edit icon, then select the message that you want to edit.

3. In the HTML message text, find the %%IMAGE tag.

By default it specifies the Fortinet logo: %%IMAGE:logo_fw_auth%%

4. Change the image name to the one you provided for your logo.

The tag should now read, for example, %%IMAGE:mylogo%%

5. Select Save.

6. Select OK.

 

Modifying text in portal messages

Generally, you can change any text that is not part of the HTML code nor a special tag enclosed in double percent (%) characters. You should not remove any tags because they may carry information that the FortiGate unit needs. See the preceding section for any exceptions to this rule for particular pages.

 

To modify portal page text

1. Go to System > Network > Interfaces and edit the interface.

The SSID Security Mode must be Captive Portal.

2. Select the portal message to edit.

  • In SSL VPN or WiFi interfaces, in Customize Portal Messages click the link to the portal messages that you want to edit.
  • In other interfaces, make sure that Customize Portal Messages is selected, select the adjacent Edit icon, then select the message that you want to edit.

3. Edit the HTML message text, then select Save.

4. Select OK.

 


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