My server blocked

@hostedbyyouchannel

3.0K followers · usually 5.6K views a post

Views

63.5K

Likes

3.5K

Comments

64

Shares

243

Selling · SaaS › Other SaaS

CrowdSec

Why it worked

The video effectively uses a clear analogy of a neighborhood to explain the concept of CrowdSec's distributed security model, making a complex technical topic easily understandable and relatable. The visual representation of servers warning each other reinforces the message of collective defense.

Summary

The video explains how CrowdSec enhances server security by enabling servers to share information about malicious IP addresses, allowing them to collectively block attacks. Unlike traditional methods like Fail2Ban, CrowdSec creates a network effect where all participating servers benefit from the intelligence gathered by each individual server.

Structure

1Introduction to server attacks and Fail2Ban
2Limitations of individual server protection
3Introduction to CrowdSec's collaborative approach
4How CrowdSec shares attacker information
5The benefit of collective defense
6CrowdSec runs locally, not in the cloud

Product placement

CrowdSec: It acts as a security engine that blocks attacks by allowing servers to warn each other about malicious IPs. Removing it would change the video's core message and functionality. It appears as a logo and is central to the explanation.

Original caption

My server blocked attackers it had never met. CrowdSec lets servers warn each other before the next bot knocks. If every server fights the same bots, why fight alone? #CrowdSec #CyberSecurity #Homelab #SelfHosted #Linux

More from @hostedbyyouchannel

Their other posts in the index, biggest breakout first.

On-screen text

SECURITY ENGINE 42,509 attacks blocked today LIVE 90,000 attacks today Fail2Ban Fail2Ban Fail2Ban Fail2Ban Fail2Ban 203.0.113.9 203.0.113.9 203.0.113.9 203.0.113.9 203.0.113.9 CrowdSec CrowdSec SECURITY ENGINE 89,071 blocked never met SECURITY ENGINE 90,000 blocked never met

Transcript

My server blocked attackers it had never met. 90,000 attacks today. Most I never even saw. Here's how. Bots hammer every server hunting for one open door. For years the fix was a guard called Fail2Ban. It watches your logs and bans whoever knocks too. It works great. But here's the part nobody thinks about. Your guard only knows the attackers that found you. Every server fights the same bots alone. So what if they could warn each other? That's CrowdSec. Same idea. Watch and block. Except every server running it shares each attacker's address with everyone. So when a stranger in another country your door already knows its name before it knocks. That's how mine blocked 90,000 it attackers I never met. It all runs on your machine not some giant cloud. Your door watched by the whole neighborhood. And tomorrow the counter climbs again.

Tailscale, but you own it! What should you own next? #selfhosted #homelab #opens

25.3

Headscale

133.9Kviews@hostedbyyouchannel

Everyone says "just self-host it." Nobody says what to run it on. Three things d