"Why Can't I Connect?" diagnoses network settings and protocols to resolve TCP/IP connection issues. It supports various SQL servers, FTP and SFTP file transfers, SMTP and IMAP/POP3 for email applications, as well as IRC, LDAP, Usenet. It can also probe raw and generic TCP/IP connections.
1.12.313 Mar 2017 15:11
Fixed a bug that would occasionally freeze the application when attempting to create a secure connection with an unsecured port.
Fixed a bug where "Advanced" sockets where not supporting secure connections.
1.9.110 Nov 2014 06:45
Changed the url of the Knowledge Base to match the website redesign.
A minor cosmetic change.
A minor bug fix.