Comprehensive Network Hub: 70 Engineering Generators, Calculators & Visual Builders
NetSentinel delivers 70 industrial-grade tools operating entirely on a Zero-Trust architecture. All calculations, cryptographic parsing, regex matching, and configuration generations happen 100% locally in your web browser. No private keys, customer IPs, or server topologies ever leave your machine.
🟠 1. Cisco & Network Engineering Hub (9 Tools)
- BGP Route Analyzer: Advanced simulator of BGP path attributes (Local Pref, MED, AS-Path) visualizing the Best Path selection algorithm.
- CLI Architect: Cisco IOS configuration template generator for interfaces, SSH, VTY, and routing.
- IPSec VPN Configurator: Site-to-Site IKE/IPSec VPN wizard generating complete Crypto Maps and Transform Sets.
- IPv6 Prefix Planner: Visual IPv6 subnet allocator for /48 and /56 enterprise blocks into /64 subnets.
- VLSM Designer: Variable Length Subnet Mask planner calculating network IDs, broadcast addresses, and host ranges.
- MTU / MSS Calculator: Protocol overhead calculator for IPsec, GRE, and PPPoE tunnels to prevent fragmentation.
- Routing Metric Lab: Multi-protocol cost calculator for OSPF and BGP path planning.
- Switchport Security: Cisco port-security configuration builder (Sticky MAC, violation modes).
- Type 7 Decrypt: Instant XOR password recovery tool for Cisco Type 7 strings.
🔴 2. Cybersecurity & Digital Forensics Hub (10 Tools)
- Docker Security Scanner: Container image vulnerability simulator (Trivy/Grype) with actionable mitigation guidance.
- Integrity Audit: Local SHA-256 and MD5 checksum validator for files and ISO images.
- Threat Decoder: Deep forensic payload analyzer decoding Base64, hex dumps, and obfuscated scripts.
- IP Forensic Hub: IP reputation, ASN context, and geolocation analyzer.
- CSR & OpenSSL Wizard: Interactive generator for OpenSSL commands, private keys, and SAN CSR requests.
- X.509 Decoder: Comprehensive PEM certificate parser and certificate authority expiration auditor.
- Log Scrubber (PII Redactor): Automatic removal of credit cards, emails, and sensitive IPs from raw logs.
- SSH Key Gen: Air-gapped cryptographic key generator (Ed25519, RSA).
- CVSS v3.1 Calculator: Precise vulnerability scoring and attack vector calculator.
- Base64 & URL Decoder: High-speed string encoding/decoding with full Unicode support.
🟢 3. Web Diagnostics & Security Hub (8 Tools)
- CSP Builder: Interactive Content Security Policy constructor defending against XSS attacks.
- DNS Security: SPF, DMARC, and DKIM configuration auditor and deliverability checker.
- Headers Architect: Security HTTP response headers generator (HSTS, CORS, Permissions-Policy).
- SSL Inspector: SSL/TLS certificate validator with issuer verification and expiry tracking.
- Status Explorer: HTTP response code encyclopedia with actionable remediation commands.
- Redirect Generator: 301 and 302 rewrite rule generator for Nginx and Apache (.htaccess).
- UA Parser: Deep browser and operating system User-Agent analyzer.
- URL & Query Parser: Complex URL parameter decoder and query builder.
🟡 4. Data Processing & Format Conversion Hub (4 Tools)
- CSV Converter: Fast CSV-to-JSON spreadsheet parser.
- Log Colorizer: Visual log formatting with real-time severity highlighting and IP detection.
- Text Diff Checker: High-precision Myers visual diff comparison for configuration files.
- YAML ↔ JSON: Live bi-directional syntax validator and converter.
🟣 5. Physical Infrastructure & Datacenter Hub (7 Tools)
- Rack Space 42U: Visual server rack allocation canvas and load planner.
- RAID Capacity Calculator: Storage capacity, parity overhead, and IOPS estimator for RAID 0, 1, 5, 6, 10.
- Power & BTU Calculator: Server rack electrical draw and cooling BTU estimator.
- Patch Panel Mapper: Switchport to patch panel cross-connect organizer.
- Rsync Command Gen: Secure file synchronization command builder with advanced flags.
- SSH Config Manager: Visual `~/.ssh/config` profile architect with ProxyJump support.
- Bandwidth Calc: File transfer duration estimator accounting for TCP protocol overhead.
🩷 6. Network & System Administration Hub (12 Tools)
- Wireshark PCAP Filter Generator: Visual BPF query constructor for advanced traffic packet captures.
- Subnet Logic: Comprehensive CIDR IPv4 calculator.
- CIDR Supernet: Route summarization calculator for BGP and OSPF routing tables.
- IPv6 Visualizer: IPv6 address space mapper and format expander.
- JSON Tool: Formatter, validator, and minifier for SDN configurations.
- JWT Debugger: Local JSON Web Token decoder and signature inspector.
- K8s YAML Builder: Visual manifest builder for Deployments, Services, and Ingress.
- Compose Architect: Multi-service `docker-compose.yml` scaffolding tool.
- MAC Lookup: IEEE OUI vendor identification database.
- Multi-Converter: Synchronous Base64, Hex, ASCII, and Binary live conversion matrix.
- Pass Generator: High-entropy password and key generator.
- Regex Analyzer: Live regular expression tester with visual match highlighting.
🩵 7. Linux Server Administration Hub (11 Tools)
- Cron Generator: Crontab scheduler with human-readable interval descriptions.
- Chmod Calc: Octal and symbolic Linux file permissions calculator.
- Firewall Builder: GUI rule generator for UFW and Iptables.
- Systemd Service Architect: Visual systemd `.service` daemon file generator with security hardening.
- Systemd Timer Architect: Synchronized `.timer` automation scheduler and cron migrator.
- LVM Storage Planner: PV, VG, and LV visual partition organizer.
- Netplan Configurator: YAML network interface architect for Ubuntu/Debian.
- Ansible Playbook Skeleton: Automation playbook and roles scaffolding tool.
- Sed & Awk Builder: Text stream transformation script generator.
- Tar / Archive Helper: Interactive command builder for tar, gzip, and bzip2 archives.
- SSH Tunnel Wizard: Interactive SSH port forwarding (-L, -R, -D) and Bastion jump architect.
🪟 8. Windows & Active Directory Hub (4 Tools)
- PowerShell Architect: Advanced script generator for Windows and Active Directory administration.
- GPO Policy Tracker: Group Policy Objects database and registry setting analyzer.
- AD User Blueprint: Repeatable enterprise user template and role designer.
- Event Log Decoder: Windows security event log lookup and explanation tool.
☁️ 9. Cloud Infrastructure & Containerization Hub (5 Tools)
- Kubernetes RBAC Architect: Visual Role, ClusterRole, and RoleBinding builder with strict Least Privilege validation.
- AWS IAM Policy Builder: Least Privilege JSON policy generator for Amazon Web Services.
- Cloudflare WAF Builder: Web Application Firewall expression generator for DDoS and SQLi mitigation.
- S3 Bucket Auditor: Secure bucket policy and CORS configuration generator.
- Terraform Skeleton: Visual HCL infrastructure-as-code assistant for AWS and GCP.
Frequently Asked Questions (FAQ)
- Is NetSentinel completely free to use?
- Yes, NetSentinel is a 100% free engineering platform provided by Specinfo for network technicians, sysadmins, and cybersecurity professionals worldwide.
- Does NetSentinel send my sensitive network data or passwords to external servers?
- No. All 70 tools execute 100% locally in your browser using client-side JavaScript. No IP addresses, Cisco passwords, private keys, or network topologies are ever transmitted over the network.
- Can I use NetSentinel offline in air-gapped environments?
- Yes. Once loaded, the calculations, regex engines, decoders, and configuration generators operate without an internet connection.
- How does Google Consent Mode v2 work in NetSentinel?
- By default, all analytics cookies and tracking scripts are strictly blocked (denied state). Anonymous usage metrics are only activated if you explicitly click 'Accept' on the bottom banner.