Online TCP port checker built at bazter.pro/tools/port/ that tests whether a specific port on a host or IP is open, closed, or unreachable — covering web, mail, database, and admin services. Project Scope: - TCP port connectivity test for any host or IP - Common port presets: HTTP, HTTPS, SMTP, FTP, SSH, MySQL, PostgreSQL, RDP - Custom port entry for non-standard services - Clear open/closed/timeout result display Architecture: - Next.js frontend with React and TypeScript - PHP backend for server-side TCP socket testing - Lightweight static delivery through Nginx and Cloudflare Results: - Quick connectivity diagnostics without local tooling - Useful for firewall verification and service availability checks - Integrated into the BAZTER PRO online toolset
