How Does a Firewall Filter Work?
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- Опубликовано: 8 сен 2024
- Start learning cybersecurity with CBT Nuggets. courses.cbt.gg...
In this video, CBT Nuggets trainer Knox Hutchinson covers what a firewall filter is actually doing as it protects your data plane.
A firewall filter looks and feels a lot like a route policy, but there are key differences. Watch Knox walk you through building a firewall filter from scratch - as he does, he points out how it differs from a route policy and how a firewall filter keeps your network safe and secure.
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Thank you.
i really like your teachings, big fun of yours!! @knox
Can you filter out ICMP traffic?
Hi Joshua, you can filter out ICMP traffic.
From a firewall, you can block any protocol. You'll need to know the name or port used. ICMP has some behaviors that an attacker can use to determine whether or not a device lives at the pinged IP address. There are also many different types of scans that can reveal information about a target. A simple ping is one of them and you can block those requests/responses. Hope that helps!
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