HTTPS Windows Integrated Authentication

This example explains how to do HTTP authentication on a Windows system using the current logged-on user credentials. Classic ASP: HTTPS Windows Integrated Authentication C: HTTPS Windows Integrated Authentication Chilkat2-Python: HTTPS Windows Integrated Authentication C++: HTTPS Windows Integrated Authentication C#: HTTPS Windows Integrated Authentication C# UWP/WinRT: HTTPS Windows Integrated Authentication …

Chilkat HTTP Methods that return an HttpResponse Object

Question: I am having a problem identifying read timeouts from sites. I set ConnectTimeout and ReadTimeout properties of the HTTP object. When the site fails to respond within ReadTimeout, the following happens: PText still returns 0 PText returns a response object Reading of StatusCode and StatusText properties of the response …

v9.5.0.35 Micro Update: HTTP Resume Download – Fixed PercentDone Event Callback

The PercentDone callback always began at 0 when resuming a download. If a partial file exists locally, and the download is resumed, the percent done now begins at the place based on the size of the partial file. (If 50% of the file already exists, then the percent done begins …

v9.5.0.34 Micro Update: SSL/TLS Perfect Forward Secrecy, Minor HTTP and ASN.1 Fixes

The internal Chilkat SSL/TLS implementation now supports the TLS_DHE_RSA_WITH_AES_256_CBC_SHA and TLS_DHE_RSA_WITH_AES_128_CBC_SHA cipher suites. These allow for perfect forward secrecy. Note: This is implemented on the client-side for all protocols using SSL/TLS. The SSL/TLS client provides the server with a list of algorithms it supports, and it is the server that …

v9.5.0.32 Micro Update: HTTP Connection Left in Invalid State after Event Callback Aborts Operation

For HTTP requests that have KeepAlive indicated in the response header, the internal connection is not closed so that a subsequent request may continue using the existing connection. However, when the client application aborts in the middle of receiving the response, the connection must be closed to avoid being left …

v9.5.0.22 Micro Update: HTTP User-Agent, Accept-Charset, and Accept Headers

Changes in HTTP: Updated the User-Agent default to that of latest Firefox (ChilkatHttpUA no longer used because browsers may respond in unexpected ways.) The Accept-Charset header is no longer added by default. (The Http.AcceptCharset property is empty by default.) The http.Accept property default is now “text/html,application/xhtml+xml,application/xml;q=0.9,* / *;q=0.8”

v9.4.1.44 Added Http.AwsEndpoint Property

The AwsEndpoint property is the regional endpoint (domain) to be used for Amazon S3 method calls. The default value is “s3.amazonaws.com”. This can be set to any valid Amazon S3 endpoint, such as “s3-eu-west-1.amazonaws.com”, or the endpoints for S3-API compatible services from other different providers. This is a pre-release feature. …