FireWall

A firewall is a security system that monitors and controls incoming and outgoing network traffic based on predefined security rules.  

Functions of a Firewall

  • Blocks unauthorized access
  • Monitors network traffic
  • Prevents cyber threats (malware, hacking attempts)
  • Enforces security policies
  • Filters harmful content

Most Common  Firewall In Sri Lanka

Fortinet is a leading cybersecurity company known for its FortiGate firewalls and network security solutions. It provides enterprise-level firewall protection, intrusion prevention, and threat intelligence to businesses of all sizes.
 

Key Features of Fortinet (FortiGate) Firewalls

  1. Next-Generation Firewall (NGFW) – Includes deep packet inspection (DPI), intrusion prevention (IPS), and web filtering.
  2. Unified Threat Management (UTM) – Combines firewall, antivirus, VPN, content filtering, and more.
  3. AI-Powered Security – Uses FortiGuard AI-driven threat intelligence to detect and mitigate cyber threats in real time.
  4. Secure SD-WAN – Provides fast and secure branch connectivity, optimizing bandwidth and reducing costs.
  5. Zero Trust Network Access (ZTNA) – Ensures only authorized users and devices can access the network.
  6. Cloud Security – Protects cloud environments, including AWS, Azure, and Google Cloud.

Sophos is a cybersecurity company that provides firewalls, endpoint protection, and network security solutions. Its Sophos XG Firewall (now Sophos Firewall) is a popular choice for businesses looking for advanced threat protection, secure VPN access, and easy management.

Key Features of Sophos Firewalls

  1. Next-Generation Firewall (NGFW) – Includes deep packet inspection (DPI), intrusion prevention (IPS), and web filtering.
  2. Synchronized Security – Integrates with Sophos Endpoint Protection to detect and isolate compromised devices automatically.
  3. AI-Powered Threat Detection – Uses Sophos Labs Threat Intelligence to block malware, ransomware, and zero-day attacks.
  4. Xstream Architecture – Speeds up traffic inspection without slowing down the network, ideal for high-bandwidth applications like CCTV streaming.
  5. SD-WAN Support – Optimizes bandwidth usage for remote offices and branch networks.
  6. Web and Application Filtering – Blocks malicious websites and limits non-work-related browsing.
  7. Cloud-Based Management – Managed through Sophos Central, a user-friendly cloud platform for centralized security control.