Denyhosts vs CrowdSec

Struggling to choose between Denyhosts and CrowdSec? Both products offer unique advantages, making it a tough decision.

Denyhosts is a Security & Privacy solution with tags like ssh, security, authentication, ip-blocking.

It boasts features such as Blocks IP addresses that make too many failed SSH login attempts, Adds blocked IP addresses to /etc/hosts.deny file, Open source program written in Python, Works on Linux and Unix-based systems, Configurable thresholds for blocking IPs, Whitelist to prevent blocking valid users, Daemon mode for continuous monitoring, Email alerts when IPs are blocked and pros including Easy to install and configure, Effective at preventing brute force SSH attacks, Lightweight and low resource usage, Automatically blocks attackers without admin intervention, Open source with active development community.

On the other hand, CrowdSec is a Security & Privacy product tagged with firewall, threat-intelligence, crowdsourced, open-source.

Its standout features include Real-time threat detection and blocking, Crowdsourced threat intelligence, Open source firewall, Behavioral analysis to detect anomalies, Blocking based on signals from global community, Auto-scaling to handle increasing traffic, and it shines with pros like Free and open source, Real-time protection from latest threats, Leverages wisdom of crowds for threat detection, Easy to deploy and configure, Lightweight and resource efficient.

Feature	Denyhosts	CrowdSec
Overall Score	N/A	N/A
Primary Category	Security & Privacy	Security & Privacy

Product Overview

Denyhosts

Description: DenyHosts is an open-source program designed to help system administrators thwart SSH server attacks by blocking IP addresses using failed authentication attempts to detect attackers. It adds IP addresses to the system's /etc/hosts.deny file when it identifies too many failed SSH attempts.

CrowdSec

Description: CrowdSec is an open-source massively multiplayer firewall powered by crowd-sourced threat intelligence. It detects bad behaviors and blocks attacks in real-time by analyzing crowdsourced signal sharing.

Key Features Comparison

Denyhosts Features

• Blocks IP addresses that make too many failed SSH login attempts
• Adds blocked IP addresses to /etc/hosts.deny file
• Open source program written in Python
• Works on Linux and Unix-based systems
• Configurable thresholds for blocking IPs
• Whitelist to prevent blocking valid users
• Daemon mode for continuous monitoring
• Email alerts when IPs are blocked

CrowdSec Features

• Real-time threat detection and blocking
• Crowdsourced threat intelligence
• Open source firewall
• Behavioral analysis to detect anomalies
• Blocking based on signals from global community
• Auto-scaling to handle increasing traffic

Pros & Cons Analysis

Denyhosts

Pros

• Easy to install and configure
• Effective at preventing brute force SSH attacks
• Lightweight and low resource usage
• Automatically blocks attackers without admin intervention
• Open source with active development community

Cons

• Can block valid users if thresholds are too low
• Requires some Linux sysadmin knowledge to configure
• Only protects SSH, not other services
• Blocked IPs are not permanently banned

CrowdSec

Pros

• Free and open source
• Real-time protection from latest threats
• Leverages wisdom of crowds for threat detection
• Easy to deploy and configure
• Lightweight and resource efficient

Cons

• Requires contribution back to community
• Can block legitimate traffic if misconfigured
• May not detect targeted or obscure threats
• Relies on community so quality of protection varies

Pricing Comparison

Denyhosts

• Open Source

CrowdSec

• Open Source