Welcome to Your Ultimate Guide to URL Filter Databases and Website Unblocking!

This interactive Wizard will help you to unblock your website. Let’s start. Do you know why your website is blocked? If not, let’s find out! Do you know which vendor or company blocks your website? If not, do you have any screenshots or error messages of block? Do you know whether the website blocked by browser or by firewall/proxy? Do the block message contains any hints what to do next? Like a phone number, an email address or a web link? ...

URL Filter Databases: Overview URL filter databases are used by security vendors to categorize websites and assess their reputation. These databases help in blocking access to malicious or inappropriate content and are a key component of web security solutions. How URL Filter Databases Work Categorization: URLs are categorized based on their content. Categories can include topics like news, social media, adult content, gambling, etc. Web Reputation: URLs are also assessed for their reputation, which involves checking for malicious activity, phishing, malware distribution, etc. URL Checking Process: New URL: When a new URL is encountered, it is analyzed using various parameters such as domain age, IP address reputation, content analysis, and historical data. Known URL: Known URLs are periodically re-checked to ensure their categorization and reputation are up-to-date. This involves re-evaluating the same parameters used for new URLs. False Positives and False Negatives False Positives: Legitimate URLs incorrectly categorized as malicious or inappropriate. False Negatives: Malicious or inappropriate URLs incorrectly categorized as safe. Major Security Vendors and Their URL Databases Here’s a comparison table of URL databases from major vendors: ...

Understanding the Browser Block Message: “The Connection Was Reset” and similar If you’ve ever encountered the browser block message “The connection was reset,” you know how frustrating it can be. This message indicates that the connection between your browser and the website you’re trying to access has been unexpectedly terminated. But what causes this issue, and how can you resolve it? Let’s dive into some common causes and solutions. Common Causes of “The Connection Was Reset” Firewall or Proxy Interference ...

Understanding VirusTotal URL Check Virustotal URL Check VirusTotal is a free online service that analyzes files and URLs for viruses, worms, trojans, and other kinds of malicious content. It aggregates results from many (96 as on 07.Jan.2025) various antivirus engines, website scanners, and other tools to provide a comprehensive analysis. How VirusTotal URL Check Works Submission: Users can submit URLs to VirusTotal for analysis. This can be done via the website, API, or browser extensions. Scanning: VirusTotal scans the submitted URL using multiple antivirus engines and website scanners. Results Aggregation: The results from all the scanners are aggregated and displayed in a single report. This report includes information on whether the URL is considered malicious, suspicious, or clean. Community Feedback: Users can also provide feedback and comments on the URLs, which can help others in the community. Advantages of VirusTotal Comprehensive Analysis: Uses multiple antivirus engines and website scanners, providing a broad analysis. Free Service: Available for free, making it accessible to a wide range of users. Community Feedback: Allows users to contribute feedback and comments, enhancing the overall analysis. Disadvantages of VirusTotal False Positives: The use of multiple scanners can sometimes result in false positives. No Detailed Reputation Scores: Unlike Cisco Talos, VirusTotal does not provide detailed reputation scores. Limited Integration: While it offers an API, integration with other security products may not be as seamless as with Cisco Talos or TrustedSource. References

Fortigate Fortiguard URL Database Fortigate Web Filter Lookup Fortigate Web Filter Classification Rating Request References Fortigate Web Filter Categories

Google Safe Browsing Google Safe Browsing Checker

Zscaler URL Database Site review service is available for Zscaler customers only. Ensure you go through Zscaler cloud to access this site. Zscaler Site Review References Zscaler about URL Categories Zscaler list of URL Categories (in CSV format)

Netskope URL Database The URL Lookup is only available for Netskope customers. To access this page a login is required. Netskope URL Database Lookup When using the URL Lookup tool, you can request recategorization for a URL or domain you believe has been miscategorized. The request will be sent to the appropriate internal team, and you will receive an email acknowledging the request. The turnaround is typically 24-48 hours, but can be longer for international locations, high-impact domains, and domains that are part of the CCI database and are linked to application connectors. Based on your feedback, Netskope may or may not recategorize the URL/domain. ...

Microsoft Smart Screen URLs: urs.microsoft.com urs.smartscreen.microsoft.com https://learn.microsoft.com/en-us/defender-endpoint/defender-endpoint-demonstration-smartscreen-url-reputation https://learn.microsoft.com/en-us/windows/security/operating-system-security/virus-and-threat-protection/microsoft-defender-smartscreen/ References https://learn.microsoft.com/en-us/windows/security/operating-system-security/virus-and-threat-protection/microsoft-defender-smartscreen/

CheckPoint URL Database To access this page a Checkpoint Login is required. CheckPoint URL Categorization References CheckPoint all URL Categories