Windows will normally prefer to use IPv6 instead of IPv4 if the local system has been configured with IPv6 enabled and the system you want to connect with has an IPv6 address assigned in its DNS record. However, there may be situations where you want the system to prioritize IPv4 instead.
Prioritizing IPv4 Connections Read More »
Microsoft has released .NET 5.0 and it is available with Visual Studio 2019 16.8.3 and later versions. Use the Visual Studio Installer to check what version you have installed and update to the current release. .NET 5.0 was a short-term release and reached end-of-support on May 8, 2022. SocketTools .NET 10 Build 1260 and later
SocketTools .NET 5.0 Downloads Read More »
A new update for SocketTools is available for download. Version 10.0.1274.1931 was released on May 18th, 2021. This is a complete product release which incorporates updates from the previous release, as well as all subsequent hotfixes. Refer to the release notes for information about the changes in this update. Downloads SocketTools .NET Edition SocketTools ActiveX
SocketTools 10 Build 1274 Read More »
When your application requests a resource which has moved, the server will indicate this by providing the location of the new resource URL. By default, the SocketTools HTTP client components and library will not automatically request the relocated resource, however you can enable this capability by specifying an option when the connection is made.
Automatic URL Redirection Read More »
When attempting to use SocketTools components or libraries to connect with a mail server using either SMTP, POP3 or IMAP, the connection fails or an error is returned indicating the user's credentials are invalid. The user name and password are valid and a connection can be established using a mail client such as Outlook.
Mail Server Authentication Errors Read More »
Note: The Visual Studio 2022 Preview was released on 17 June 2021 and is available for download. Microsoft has announced the next major version of Visual Studio, with the first preview being available this summer. Visual Studio 2022 will be fully 64-bit, include support for .NET 6.0 and the latest standards for C# and C++.
SocketTools and Visual Studio 2022 Read More »
SocketTools components and installers are digitally signed using an Authenticode certificate. On Windows XP and Windows Server 2003, the operating system reports the signature as invalid. This occurs because older versions of Windows do not support the SHA-256 algorithm used when timestamping the signature.
Invalid Digital Signatures on Windows XP Read More »
When attempting to perform a network operation, such as sending or receiving data, it fails with an error indicating that the operation would block.
Operation Would Block Error Read More »
If you attempt to connect to a server and it fails with a "connection reset" error, there can be several causes for this problem. It can be related to the router configuration, proxy settings, a firewall blocking the outbound connection or a conflict with your anti-virus software. It can also indicate a transitory problem with
Fixing Connection Reset Errors Read More »
When attempting to perform a network operation, such as sending or receiving data, it fails with an error indicating that a blocking operation is in progress.
Blocking Operation in Progress Error Read More »
