Psiphon VS CloudLinux

• Open Source
  Psiphon is an open-source tool, allowing security experts and users to examine the code for vulnerabilities or backdoors.
• Easy to Use
  Psiphon offers a user-friendly interface which makes it accessible for people who are not tech-savvy.
• Multiple Platform Support
  It is available for Windows, Android, and iOS, which makes it versatile and usable across different devices.
• Effective Censorship Circumvention
  Psiphon is effective at bypassing various forms of internet censorship, making it popular in regions with heavy internet restrictions.
• Free Version Available
  Psiphon offers a free version with basic features, making it accessible to users without financial means.
• Automatic Protocol Selection
  Psiphon automatically selects the best available protocol to ensure users can bypass censorship effectively.

Possible disadvantages

• Speed Limitations
  The free version has limited speed, which may not be suitable for bandwidth-intensive activities like streaming or gaming.
• Data Usage Logging
  Psiphon logs some data usage information on their servers. While not personal data, this could still be a concern for privacy-focused users.
• Ads in Free Version
  The free version contains ads, which may interrupt the user experience or turn off potential users.
• Not a Full VPN
  Psiphon is primarily a circumvention tool rather than a full-fledged VPN, lacking some security features found in dedicated VPN services.
• Limited Server Locations
  Psiphon has fewer server locations compared to leading VPNs, which may affect connection speeds and access to geographically restricted content.

• Enhanced Server Stability
  CloudLinux uses its lightweight virtualization technology (LVE) to isolate each tenant on a shared hosting server, preventing any single user from consuming excessive resources and crashing the server for everyone else. This ensures consistent uptime and performance.
• Improved Security with HardenedPHP and KernelCare
  CloudLinux offers HardenedPHP, which patches old and unsupported PHP versions against known vulnerabilities, and KernelCare, which provides live kernel patching without requiring server reboots. These features significantly enhance server security posture.
• Resource Limit Management
  Administrators can set granular resource limits (CPU, memory, I/O, number of processes, etc.) per user account using LVE Manager. This makes it easy to manage shared hosting environments and ensure fair resource distribution among tenants.
• CageFS File System Virtualization
  CageFS creates a virtualized file system for each user, preventing them from seeing other users on the server, viewing sensitive configuration files, or exploiting server vulnerabilities. This adds an important layer of isolation and security.
• Wide Compatibility with Hosting Panels
  CloudLinux integrates seamlessly with popular hosting control panels such as cPanel, Plesk, and DirectAdmin, making it straightforward for hosting providers to adopt without overhauling their existing infrastructure or workflows.

Possible disadvantages

• Additional Licensing Cost
  CloudLinux requires a paid monthly or annual license on top of the base server cost. For smaller hosting providers or individual server owners, this additional expense can add up and may not always be justifiable compared to free alternatives.
• Limited to CentOS/RHEL-Based Systems
  CloudLinux is built on top of RHEL/CentOS and does not support other Linux distributions like Ubuntu or Debian. This limits its adoption for hosting providers who prefer or already run non-RHEL-based environments.
• Learning Curve for Configuration
  While CloudLinux provides powerful resource management tools, properly configuring LVE limits, CageFS, PHP Selector, and other features requires a solid understanding of the platform. Misconfiguration can lead to users being unnecessarily restricted or resources being poorly allocated.
• Potential Performance Overhead
  The additional layers of virtualization, resource monitoring, and file system isolation introduced by CloudLinux can impose a slight performance overhead on the server compared to running a bare, unmodified Linux distribution without these controls.
• Dependency on CloudLinux Ecosystem
  Adopting CloudLinux means relying on their ecosystem for kernel updates, PHP patches, and security fixes. If the company experiences delays in releasing patches or changes its pricing/licensing model, hosting providers may find themselves locked into a dependency that is difficult to migrate away from.

Psiphon 3 Review!

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• Ask HN: The government of my country blocked VPN access. What should I use?

  I would recommend Psiphon [1,2] most (all?) of their code is open source and their main goal is to get around censorship blocks. They do have some crypto side projects but the main product is very solid. [1] https://psiphon.ca/. - Source: Hacker News / about 1 year ago

• Fortiguard workaround?

  These should be able bypass FortiGuard. Speeds will be slow though. 1. Psiphon. 2. Your Freedom VPN. 3. Puffin Browser. Source: almost 3 years ago

• Mullvad is completely blocked in Russia

  Psiphon should work and it is free but they have limits on speed. Source: over 3 years ago

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Tracking CloudLinux since Mar 2021.