203. Web and DNS Filtering

Web Filtering

Technique used to restrict or control the content a user can access on the Internet

Web Filtering Methods

Agent-based Web Filtering

Centralized Proxies

URL Scanning

Content Categorization

Block Rules

Reputation-based Filtering

Agent-based Web Filtering

Installing a small piece of software known as an agent on each device that will require web filtering

Centralized Proxies

Server that acts as an intermediary between an organization’s end users and the internet

URL Scanning

Used to analyze a website’s URL to determine if it is safe or not to access

Content Categorization

Websites are categorized based on content, like social media, adult content, or gambling, which are frequently restricted in workplaces

Block Rules

Specific guidelines set by an org to prevent access to certain websites or categories of websites

Reputation-based Filtering

Blocking or allowing websites based on their reputations core

DNS Filtering

Technique used to block access to certain websites by preventing the translation of specific domain names to their corresponding IP addresses