Scenario IPS false positive occurs when the IPS detects an activity as malicious, which is identified mistakenly as an attack. Sometimes it would have negative impact for business. If we would like to report false positive event/ID to Zyxel support, we need to provide related information/log for analyzing. This…
Sometimes when you execute a program update such as Windows update and Antivirus software. You probably encounter a situation that Anti-Malware or Sandboxing tells you it’s a suspicious or malicious program so the firewall dropped it leading to a download error. But you are indeed confirming it’s a legitimate file, it…
This is an example of using the USG Flex/ATP to block access YouTube access by schedule. You can use Application Patrol and security policy with schedule settings to make sure that YouTube cannot be accessed in your network at a specific prohibited time. This article will guide you on how to deploy it. USG Flex/ATP with…
The device has valid content filter license and content filter service is enabled.. However, you find some sites still bypass the inspection and are not being blocked when they should be. The article explains how to troubleshoot when Content Filter is not working as expected. Web Content Filtering Process 1. A user enters…
How to configure Device Insight Device Insight continuously monitors the network to detect wired and wireless devices, collect their information, and classify them into specific categories or operating system. It helps users simply discover and manage devices. Enable Device Insight and create profile In the Web GUI, go to…
The following depicts a sample configuration of Email security for Phishing mail. Phishing is a type of online scam where criminals send an email with a fake website and asking you to provide sensitive information. An example of phishing attack: 1. Attacker creates an fake banking websites which copy the content from real…
This is an example of using ATP Series’ UTM Profile to mark or discard spam (unsolicited commercial or junk e-mail). Use the Email Security white list to identify legitimate e-mail. Use the Email Security black list to identify spam e-mail. The ATP Series can also check e-mail against a DNS Black List (DNSBL) of IP…
You can configure an exclusion list to exclude matching sessions to destination servers. This traffic is not intercepted and is passed through uninspected. CONFIGURATION > UTM Profile > SSL Inspection > Exclude List Here is another simple way to add exclude list. You can also go to Monitor > UTM Statistics > SSL Inspection…
This is an example of using ZyWALL/USG UTM Profile to mark or discard spam (unsolicited commercial or junk e-mail). Use the Anti-Spam white list to identify legitimate e-mail. Use the Anti-Spam black list to identify spam e-mail. The ZyWALL/USG can also check e-mail against a DNS Black List (DNSBL) of IP addresses of…
Custom Service” just set local check and it doesn't trigger report sending. Without "Enable Content Filter Category Service", there will be no reports on the report server.You must enable “Enable Content Filter Category Service” to force CF engine running query to get content filter result.
Add YouTube (media) in the application block rule. This way, users can access the YouTube website but they are not allowed to watch the videos.
SCENARIO DESCRIPTION: How to block HTTPS websites using Content Filtering and SSL Inspection? This is an example of using a ZyWALL/USG Content Filtering, SSL Inspection and Security Policy to block access to malicious or not business-related websites. Note: All network IP addresses and subnet masks are used as examples in…
QUESTION If I block Facebook via the Content Filter, it works for http but not for https. We still can access Facebook via https. What can I do to block https://www.facebook.com? ANSWER Content Filter is used to block URLs. If we set up Facebook in the black list, it can only reject the traffic of http. We have to use…
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