Firewall Configuration Services to Reduce Your Attack Surface

We configure network and application firewalls — rules, rate limiting, and monitoring — to allow legitimate traffic while blocking the rest.

A Firewall Is Only as Good as Its Rule Set

Default or overly permissive firewall rules leave unnecessary attack surface exposed. We configure firewalls — network-level and web application firewalls — with rules that match your actual traffic needs, closing everything else.

Why Choose NIMU for Firewall Configuration

Least-Privilege Rules

Only the ports and sources your application actually needs are open.

Web Application Firewall

WAF rules configured to block common attack patterns.

Rate Limiting

Protection against brute-force and abusive traffic patterns.

Traffic Monitoring

Visibility into blocked and allowed traffic patterns.

Rule Documentation

Clear documentation of every rule and why it exists.

Ongoing Rule Maintenance

Rules reviewed and updated as your infrastructure evolves.

What We Deliver

A comprehensive suite of capabilities packaged into every engagement.

1

Network Firewall Configuration

Configuring security groups and network ACLs to least-privilege standards.

2

Web Application Firewall Setup

Configuring WAF rules to block common web attack patterns.

3

Rate Limiting & DDoS Mitigation

Protecting against brute-force attacks and abusive traffic.

4

Firewall Rule Audit

Reviewing existing rules for unnecessary exposure or gaps.

Our Delivery Process

A proven, transparent process that keeps your project on time and on budget.

1

Traffic Requirements Review

Understanding what traffic your application actually needs to allow.

2

Rule Design

Designing least-privilege firewall and WAF rules.

3

Implementation & Testing

Applying rules and testing to confirm legitimate traffic still flows.

4

Monitoring & Handover

Setting up traffic monitoring and documenting the configuration.

Frequently Asked Questions

Everything you need to know before getting started.

We test thoroughly in staging before applying changes to production, specifically to catch and prevent this kind of disruption.
Yes, we configure network-level security groups as well as WAF rules for application-layer protection, which address different attack types.
Yes, rate limiting rules are specifically designed to slow or block brute-force and credential-stuffing attempts.
We recommend reviewing rules whenever infrastructure changes, and periodically otherwise to remove rules that are no longer needed.
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