HTTP/1.1: Status Code Definitions

Jul 12, 2017 · If the proxy server requires a username and password—your proxy provider will let you know if it does—enable the “Authentication” option here. Enter the username and password the proxy server requires in the “Username” and “Password” boxes. If you set up IP authentication, you will only need the IP and Port in your proxy settings. Once you have ordered some proxies from BuyProxies.org, you can access the Client Area by clicking the green navigation link on the top right of their website. Once you are in the client area, click the 'IP Authentication' option in the navigation. Apr 19, 2018 · The NTLM authentication on the first proxy server in the chain succeeds, but when the proxy server sends a "407 Proxy authentication required" response, the user is prompted for credentials. This problem occurs with any proxy server product regardless of the manufacturer. Jun 22, 2014 · When the application requests access to external Web sites, the proxy server sends a "challenge," requesting the credentials of the user who wants this access. Because the authentication method of the Web site is Anonymous, Internet Information Services (IIS) replies with the credentials of the anonymous account (IUSR_MachineName). Authentication of web proxy sessions uses HTTP basic and digest authentication as described in RFC 2617 (HTTP Authentication: Basic and Digest Access Authentication) and prompts the user for credentials from the browser allowing individual users to be identified by their web browser instead of IP address. HTTP authentication allows the HTTP proxy server that can access resources which use the Passport SSI Version 1.4 Protocol for authorization with credentials supplied by Basic HTTP authentication. In other words: If you want to access an HTTP service that uses Passport SSI Version 1.4 for authorization, but your preferred client

Jan 29, 2020 · If you are authorized on your computer under a domain account, and your proxy server supports Active Directory Kerberos, or NTLM authentication (if you have not disabled it yet), then you can use the current user credentials to authenticate on the proxy server (you do not need to enter your username and password):

Configure NuGet to work behind a proxy – Marco Mengoli's Blog Configure NuGet to work behind a proxy If you work behind a proxy, when you try to add a NuGet package to your Visual Studio project, probably this message will compare in the output tab: error: Failed to retrieve information from remote source error: Response status code does not indicate success: 407 (Proxy Authentication Required).

Feb 17, 2020 · Web proxy support, proxy authentication, and troubleshooting Understanding Web Proxies. Proxy servers have many forms and uses. At a high level, a proxy server simply acts as an intermediary by: receiving a request from a client, forwarding it to a server, receiving the response from a server, and forwarding the response back to the requesting client.

407 Proxy Authentication Required: What It Is and How to