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Web Content Filtering

iBoss Web Filter


The purpose of iBoss, the District's web filter, is to better provide customized access to staff and students (by grade level). This includes the ability to provide a more robust YouTube experience with fewer restrictions on educational videos. Additionally, the filter provides increased security, improved performance, and a myriad of future growth options.



Troubleshooting and support line specifics can be found below:


Please be aware that you may experience pages being blocked that you previously had access to.


In the event that you do find you are blocked from a web page (or cloud-based Chromebook application), you will see a page similar to this –

Blocked web page

Should you find yourself unable to access a web page or application you previously had access to, please follow the below steps –


  • First, please click the button labeled “Login to Override” and provide your credentials.
  • Attempt to browse to the problem site a second time.


  • In the event that you continue to experience issues, please contact Tom Beales at (949) 234-5597, submit a RADAR Ticket, or fill out an Internet Filter Request Form (you may be asked to login to MyCUSD). Be sure to include the verbatim address of the site (e.g. or, the name of the application if applicable (e.g. Space Math Explorers), and the “Group Number” listed on the block page (see example above).


We will be actively monitoring access, logs, and the ticket system to whitelist sites and provide access as quickly as possible.


We thank you for your patience and assistance.

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Non-Discrimination Statement

The Capistrano Unified School District prohibits discrimination, harassment, intimidation, and bullying in all district activities, programs, and employment based upon actual or perceived gender, gender identity, gender expression, race, ethnicity, color, religion, ancestry, nationality, national origin, ethnic group identification, sex, sexual orientation, marital or parental status, pregnancy, age, physical or mental disability or on the basis of a person’s association with a person or group with one or more of these actual or perceived characteristics. Reference: AR 1312.3, BP 1312.3 and BP 5183.

Rich Montgomery, Executive Director, Human Resource Services/Compliance
33122 Valle Road, San Juan Capistrano, CA 92675
(949) 234-9200

Website Disclaimer

ATTENTION: The Capistrano Unified School District (CUSD) does not assume any responsibility or liability for the content that may be present within external Websites linked to and from this site that are operated or created by or for organizations outside of the CUSD. The linking to or from this site does not imply on the part of the CUSD or any of its schools any guarantee of quality, assumption of liability or endorsement of the organizations maintaining external Websites. Those organizations are solely responsible for the operation of their Website and quality of the content including advertisements, links, media, images and text that they may deem appropriate.