“Why Can’t I Connect?” makes it easier to resolve TCP/IP connection errors. Created by Chris Ohmstede “Why Can’t I Connect?” makes it easier to resolve TCP/IP connection errors. Use it to diagnose connections to common server types (Microsoft SQL Server, MySQL Server, FTP, SFTP, IMAP, POP3, SMTP, IRC, LDAP, Usenet) and create generic TCP/IP clients and / or servers. “Why Can’t I Connect?” is currently supported in Windows and Linux. Install applications are available as well as source code. There is language support for Chinese (simplified character set), Czech, Danish, Dutch, English, French, German, Hindi, Italian, Polish, Portuguese, and Spanish….
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Why Can’t I Connect?
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 2 | ping.exe | Windows | Commercial | Website | ||
| 3 | netstat | Mac Windows BSD Linux |
Free | Website | ||
| 4 |  |
s_client | Mac Windows Linux |
Free | Website |