Allow NTLM authentication for all internal websites. These steps show how to configure Firefox to automatically authenticate to websites that do not use a FQDN (fully qualified domain name) – which are typically internal Intranet websites. In the address bar enter about:config and hit enter; Click ‘I’ll be careful, I promise’

By default, Firefox is set to “Use system proxy settings”. No proxy: Firefox won’t use a proxy server, even if one is configured in your system-wide proxy settings. Auto-detect proxy settings for this network: Firefox will use the Web Proxy Auto-Discovery Protocol, also known as WPAD, to detect the appropriate proxy for your network. This Dec 12, 2017 · Proxy Toggle for Firefox with Socks5 authentication support by Martin Brinkmann on December 12, 2017 in Firefox - 6 comments Proxy Toggle is a new browser extension for the Firefox web browser that adds HTTP and Socks proxy support with authentication to Firefox. Jun 09, 2020 · Besides IP address authentication, the other way to initiate HTTP proxy requests is basic access authentication. For this authentication, you’ll need your username and password to enter in your configuration below. How to configure. Configuring Firefox for use with a proxy server is a relatively simple process. The steps involved are as follows: When using Firefox through an ISA server, Firefox repeatedly prompts for proxy authentication, even though the correct credentials have been entered and applied. RESOLUTION. To resolve this issue: Open Firefox. In the address bar, type about:config. A warning appears. Click I'll be careful. I promise! A variety of configuration options appears. Sep 16, 2019 · This addon overrides the standard Firefox proxy settings, so don't expect to use both. Features include: - Support for HTTP/HTTPS/SOCKS4/SOCKS5 proxy types; Username/password authentication; Remote DNS (SOCKS only) Option to skip proxy for local network addresses; This is intended to be a simple addon that's easy to configure. Then follow these steps to set up two-step authentication in Firefox: Click the menu button and select Options. Preferences. In the Sync panel, click Manage account. Expand the Two-step authentication section by clicking Enable…. Open the authentication app of your choice.

Sep 16, 2019 · This addon overrides the standard Firefox proxy settings, so don't expect to use both. Features include: - Support for HTTP/HTTPS/SOCKS4/SOCKS5 proxy types; Username/password authentication; Remote DNS (SOCKS only) Option to skip proxy for local network addresses; This is intended to be a simple addon that's easy to configure.

Sep 16, 2019 · This addon overrides the standard Firefox proxy settings, so don't expect to use both. Features include: - Support for HTTP/HTTPS/SOCKS4/SOCKS5 proxy types; Username/password authentication; Remote DNS (SOCKS only) Option to skip proxy for local network addresses; This is intended to be a simple addon that's easy to configure.

I've seen the following faulty behavior in Firefox 2.0.0.13: * For several URLs (I've seen up to 10 on a single connection) * Firefox sends a request with no authentication * The proxy responds with a 407 requsting authentication * Firefox sends a request for one URL with the NTLM hello (type 1) data.

Configuring Firefox for Negotiate Authentication. Before Firefox can authenticate to a server using "Negotiate" authentication, a couple of configuration changes must be made. Type about:config into the location bar, to bring up the configuration page.