Versions:

0.39
0.38
0.37
0.36
0.34
0.33
0.32
0.31
0.30
0.29
0.28
0.27
0.26
0.25
0.24
0.23
0.22
0.21
0.20
0.19
0.18
0.17
0.16
0.15
0.14
0.13
0.12
0.11
0.10
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1

tcping 0.39, published by Eli Fulkerson, is a lightweight console utility designed to probe the reachability of a TCP port in the same way the traditional ping command tests ICMP echo. Because it initiates a full three-way handshake instead of relying on ICMP, the tool gives administrators a reliable picture of whether a given service is accepting connections on a target host, making it especially useful on networks that block ping traffic or when testing firewalled endpoints such as web, mail, or database servers. Typical use cases include verifying that a remote port is open before running an installer, timing connection latency during troubleshooting scripts, monitoring uptime of critical services, and confirming that newly created firewall rules are behaving as expected. The program runs from any Windows command prompt, accepts hostname-or-IP plus port syntax, and returns concise round-trip timing data, success counts, and loss percentages that can be logged or parsed by automation frameworks. Version 0.39 is the thirty-ninth public iteration of the utility, following thirty-eight earlier releases that incrementally refined timeout handling, IPv6 support, and output formatting. Part of the Network & Admin category, tcping remains a single executable with no installation footprint, so it can be carried on a thumb drive or pushed to remote systems without administrative rights. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version, and supporting batch installation of multiple applications.

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