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PfSense Traffic Shaping - How to Limit YouTube Bandwidth & Control Upload/Download Speeds with Limiters
Description:
Are you struggling with network congestion in multi-user environments like dormitories, cafes, or restaurants due to excessive bandwidth usage?
This video provides a detailed, step-by-step guide on how to implement effective speed limits (limiters) on specific applications, such as YouTube, using PfSense Traffic Shaping.
Instead of completely blocking access, we show you how to ensure applications exit to the internet with a predetermined traffic limit that they cannot exceed.
🔑 What You Will Learn:
1. Understanding the Problem: We demonstrate that high-resolution content (like 8K or 4K YouTube videos) can instantly consume significant bandwidth, often reaching 25 megabits and spiking up to 40 megabits in real-time, causing major network problems.
2. Implementing the Solution:
• Identify Traffic: We use a special PfSense package called the Next Generation Rule to accurately understand and identify YouTube application traffic.
• Create the Rule: We define a firewall rule (referred to as "Five the rule") targeting YouTube traffic within an unrestricted network group.
• Set the Limiter: We configure the actual speed cap within the traffic shap section, specifically using the limiter feature.
For demonstration purposes, we set a limit of 1 megabit upload and 1 megabit download.
3. Observing the Results: Watch as we disable the rule to verify the maximum unthrottled speed
, then re-enable the limiter. You will clearly see the traffic graph confirm that the usage cannot exceed 1 megabit.
The result is critical for network efficiency: PfSense successfully forces YouTube to automatically reduce the video quality down to 480P, preventing the video from consuming all available bandwidth.
This limitation feature is particularly crucial for dense and busy networks where managing internet resources is vital.

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Need Support?
If you require assistance implementing this feature or optimizing your PfSense system, our contact information (phone number) is available in the video.
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