Contra - A professional network for the jobs and skills of the futureLegacy ERP System Rebuild: Security, Migration & Optimization
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Reverse-engineering, migration, and hardening of a legacy ERP platform that had to be rebuilt without original administrative access. The work included recovering Classic ASP application files, reconstructing the database structure from limited access, recreating IIS and mail configuration, securing the application against SQL injection, and building new Dev, QA, and Production environments. The final solution included backups every 30 minutes, a custom Linux load balancer, redundant Windows application servers, and a unified Linux file server to improve stability, recovery, and operational resilience.
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The network for creativity
Join 1.25M professional creatives like you
Connect with clients, get discovered, and run your business 100% commission-free
Creatives on Contra have earned over $150M and we are just getting started