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Network Device Configuration Review

Your Firewall Rules Look Fine on Paper. We Check If They Actually Work.

Professional network device configuration review for Indian businesses. Firewalls, routers, switches audited against CIS Benchmarks. Identify misconfigurations before attackers exploit them.

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What Is Network Device Configuration Review?

A Network Device Configuration Review is a systematic audit of your firewalls, routers, switches, load balancers, and other network infrastructure against industry security benchmarks — primarily CIS (Center for Internet Security) Benchmarks and vendor-specific hardening guides.

Most Indian businesses deploy network devices, configure them once during setup, and rarely review those configurations again. Over time, temporary rules become permanent, exceptions accumulate, and the gap between your intended security policy and actual configuration grows wider. This is exactly the gap attackers exploit.

Configuration review examines every rule, every ACL, every routing policy, and every management interface setting on your network devices. We compare your actual configuration against proven security baselines and identify deviations that create risk — from overly permissive firewall rules to default SNMP community strings that have never been changed.

Why Your Business Needs This

In our experience reviewing network configurations for Indian enterprises, we find an average of 23 configuration deviations per device. That includes firewall rules allowing traffic that should be blocked, management interfaces accessible from untrusted networks, default credentials that were never changed, logging disabled or misconfigured, and outdated firmware with known vulnerabilities.

The most common finding across Indian businesses is firewall rule bloat. Over years of operation, temporary rules are added for troubleshooting, vendor access, or specific projects — and never removed. We regularly find firewalls with 500+ rules where 30-40% are redundant, contradictory, or overly permissive. Each unnecessary rule is a potential attack path.

For regulated industries — banking, insurance, fintech — RBI and CERT-In explicitly require regular security reviews of network infrastructure. A configuration review provides the evidence auditors need while actually improving your security posture.

What You Get

check_circle Complete audit of every firewall, router, switch, and load balancer against CIS Benchmarks
check_circle Identification of overly permissive rules, redundant ACLs, and configuration drift
check_circle Default credential and SNMP community string detection across all devices
check_circle Firmware and patch level assessment with upgrade recommendations
check_circle Management interface security validation — SSH, HTTPS, SNMP, console access
check_circle Compliance evidence for RBI, CERT-In, ISO 27001, and PCI DSS audits

Our Approach

Device Inventory and Baseline (Day 1-2): We catalogue every network device, collect running configurations (read-only access), and establish the CIS Benchmark baseline applicable to each device type and vendor.

Rule-by-Rule Analysis (Day 3-7): Every firewall rule, ACL, and routing policy is analysed for necessity, scope, and risk. We identify overly broad rules, shadowed rules, rules with 'any' sources or destinations, and rules that violate your stated security policy.

Hardening Assessment (Day 7-9): Management interfaces, authentication settings, encryption protocols, logging configuration, NTP synchronisation, banner messages, and firmware versions are all checked against hardening benchmarks.

Risk Prioritisation and Reporting (Day 9-12): Findings are prioritised by actual business risk — not just benchmark deviation severity. You receive a detailed report with specific configuration commands to remediate each finding.

Real Results for Indian Businesses

A banking group in Mumbai had their core firewall reviewed after 4 years of continuous operation. We found 847 active rules — of which 312 were redundant or contradictory. After our review and cleanup recommendations, the rule base was reduced to 535 effective rules, improving both security and firewall performance by 18%.

A manufacturing company in Pune discovered during our review that their switch management interfaces were accessible from the production VLAN — meaning any compromised production system could reconfigure network infrastructure. The default SNMP community string 'public' was still active on 14 out of 18 switches.

An IT services company in Hyderabad found that their load balancer was still running TLS 1.0 and accepting weak cipher suites — a direct PCI DSS violation. Our review identified this along with 28 other configuration deviations across their network infrastructure.

Frequently Asked Questions

What devices do you review?expand_more
We review firewalls (Palo Alto, Fortinet, Cisco ASA, Check Point, pfSense), routers (Cisco, Juniper, MikroTik), switches (Cisco, HP/Aruba, Dell), load balancers (F5, Citrix, HAProxy), and wireless controllers. We work with any vendor and any device that has a configuration to audit.
Do you need admin access to our devices?expand_more
No. We require read-only access to export running configurations. We never make changes to your live devices. All analysis is performed offline against the exported configuration files.
How is this different from a vulnerability scan?expand_more
A vulnerability scan checks for known software vulnerabilities and missing patches. A configuration review examines how your devices are configured — firewall rules, access controls, management settings, encryption protocols. Both are necessary; they find different types of issues.
How long does a configuration review take?expand_more
Typically 2-3 weeks depending on the number of devices. A small office with 5-10 devices takes about 2 weeks. An enterprise with 50+ devices takes 3-4 weeks. We provide status updates throughout the engagement.

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