Server Port & TCP Connectivity Scanner

Test common network and service ports (FTP 21, SSH 22, SMTP 25, HTTP 80, HTTPS 443, MySQL 3306) on any target host or IP address.

Input Parameters

Currency:

Calculation Result

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Enter values to see real-time calculation.

About Server Port & TCP Connectivity Checker

The Server Port & TCP Connectivity Checker is a high-speed diagnostic and analysis tool built for webmasters, SEO professionals, developers, and network administrators. Operating with precision network queries, it inspects critical endpoint parameters in real time to ensure high uptime, optimal performance, and robust search visibility.

Mathematical Formula & Calculation Method

📐 Calculation Formula

Diagnostic Protocol: RFC Compliant Server Port & TCP Connectivity Checker Inspection

This utility performs structured protocol checks and formats all response codes, latencies, and metadata directly in your browser.

Step-by-Step Calculation Examples

Example #1

Server Port & TCP Connectivity Checker Live Query

Scenario: Inspecting endpoint parameters on standard hostnames.

Given Inputs:

Target: example.com

Working: Real-time protocol query and metadata inspection

Calculated Result: Validated live response and diagnostic breakdown

How to Use the Server Port & TCP Connectivity Checker

Enter hostname or IP address.
Click Scan Ports.
View open/closed status across standard service ports.

Common Real-World Use Cases

Website Health & Uptime Diagnostics

Diagnose server misconfigurations, connectivity timeouts, and DNS resolution failures.

Search Engine Optimization (SEO)

Ensure bot crawlability, canonical URLs, and mobile responsiveness for top search engine rankings.

Security & SSL Compliance

Audit network headers, cipher strengths, and cryptographic certificates to prevent vulnerabilities.

Key Features & Capabilities

Checks 9 essential server ports with fast 1s timeout.
Diagnoses firewall and routing rules.

Technical Architecture & Privacy

Server Port & TCP Connectivity Checker is engineered with a focus on performance, mathematical accuracy, and maximum user privacy. Operating with a high-performance, rate-limited backend infrastructure, this utility delivers real-time network diagnostics and deep protocol analysis backed by strict SSRF filtering and automated sanitization.

Frequently Asked Questions

Why should database ports (like 3306) be closed to the public internet? ▾

Exposing database ports invites brute-force attacks and unauthorized access. Databases should only be accessible via localhost or private VPN.