Ambika Enterprise

An Annual Maintenance Contract (AMC) for network equipment ensures consistent performance, security, and minimal downtime of essential IT infrastructure. From routers and switches to firewalls and wireless access points, each type of equipment requires structured maintenance. Below are five professionally written AMC letter templates in Word format, each tailored for different network components and business communication styles.

Network Security Annual Maintenance – Details

Scope of Work

Preventive Maintenance

• Firewalls Installation and Configuration as per your required (Fortinet, SonicWALL, Sophos,)
• L2/L3 Switch Configuration, Vlan, HSRP, VRRP, Port Security, stp, natetc)
• L3 Router Configuration, routing, vpn, ACL, dhcp, dns, nat etc
• Quarterly health checks of firewalls, IPS/IDS, VPN gateways
• Updating firmware, OS, and security patches on all devices
• Backup and verification of firewall/switch/router configurations
• Security policy review (firewall rules, ACLs, NAT, VPN policies)
• Checking SSL/TLS certificates for expiry
• Vulnerability scanning and risk assessment

Corrective Maintenance

• Troubleshooting firewall/VPN connectivity issues
• Restoring configurations in case of corruption or device failure
• Replacement of faulty security hardware (if covered in AMC)
• Emergency response for network security incidents

Monitoring & Support

• 24x7 or 8x5 monitoring (as per SLA) of network devices
• Alerts for intrusion attempts, suspicious traffic, or device failures
• Remote support for configuration changes / fine-tuning
• Onsite engineer visits when required

Security Enhancements

• Policy optimization to remove unused or risky firewall rules
• Regular review of user access & VPN accounts
• Security patch management for network appliances
• Implementation of best practices (zero-trust, segmentation)

Reporting & Documentation

• Monthly or quarterly network security health reports
• Logs of incidents & resolutions
• Updated network diagrams & asset inventory
• Recommendations for upgrades (hardware/software)

Types of Network Security AMC

• Comprehensive AMC → Covers service, support, and replacement parts.
• Non-Comprehensive AMC → Covers only service; hardware parts billed separately.

Deliverables

• SLA-driven response & resolution times
• Preventive maintenance schedule (quarterly/bi-annual/annual)
• Remote + onsite support
• Compliance reports (ISO 27001, PCI-DSS, etc. if required)

Benefits

✅ Reduced downtime & quick recovery from cyber incidents
✅ Stronger compliance with audits & security standards
✅ Optimized firewall & VPN performance
✅ Continuous protection against emerging threats
✅ Peace of mind with proactive security monitoring

Firewall AMC – Details

1️⃣ Scope of Work

�� Preventive Maintenance

• (Fortinet, SonicWall, Sophos)
• Quarterly/bi-annual health check of firewall hardware & software
• Firmware & security patch updates
• Backup & validation of firewall configuration
• Users manage, Group Policy. Web, application policy
• AD integrates in Firewall 
• VPN, NAT, Load balancing, SDWAN IN FortiGate, ACL, VLAN.  
• Review of firewall rules, NAT policies & VPN configurations
• Checking system resources (CPU, RAM, session logs, bandwidth usage)

�� Corrective Maintenance

• Troubleshooting connectivity issues (VPN down, policy conflicts, packet drops)
• Emergency support for outages or attacks
• Restoring firewall configurations from backups
• Replacement of hardware modules (if covered)

�� Security Management

• Fine-tuning firewall rules to optimize performance
• Blocking suspicious IPs, ports, or protocols
• Integration with IDS/IPS, SIEM, or SOC monitoring
• Regular vulnerability assessment & threat analysis

�� Monitoring & Support

• 24/7 or 8x5 remote monitoring (based on SLA)
• Alerts for hardware/software failures & security incidents
• Remote troubleshooting assistance
• Onsite engineer visits if required

�� Reporting & Documentation

• Monthly/quarterly firewall health reports
• Logs of changes, incidents & resolutions
• Updated firewall rule base & VPN account inventory
• Security recommendations & best practices

2️⃣ Types of Firewall AMC

• Comprehensive AMC → Includes services + spare parts replacement
• Non-Comprehensive AMC → Only services (hardware parts billed separately