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security

When accessing a site with SSLv3, Firefox will block it and display an "Unable to connect securely" message.

{for not fx34}{warning}'''Firefox versions 33 and lower:''' This article applies to newer versions of Firefox. If you are unable to use a newer version, install this [https://addons.mozilla.org/firefox/addon/ssl-version-control/ official Mozilla add-on] to disable SSLv3 immediately.{/warning} Starting with Firefox 34 (now on [https://www.mozilla.org/firefox/channel/ Beta]), Firefox will block Security Sockets Layer version 3.0 (SSLv3) to protect your information from attacks. SSLv3 is a type of technology that some websites use to connect to a server. It is no longer secure, which makes it easy for hackers to extract your personal information during a connection. {/for} {for fx34} Firefox now blocks SSLv3 certificates to protect your information from attacks. SSLv3 (Security Sockets Layer version 3.0) is a type of technology that some websites use to connect to a server. It is no longer secure, which makes it easy for hackers to extract your personal information during a connection. {/for} =What happens when you access vulnerable sites= When you access a site that supports SSLv3, newer versions of Firefox will block it and display this message: "Unable to connect securely". When you see this message, please contact the website owner to let them know about the problem. =Additional precautions= To further protect yourself from attacks, keep Firefox [[Update Firefox to the latest version | up to date]]. The simplest way to do this is to set up automatic updates: # Click on the menu button [[Image:new fx menu]], then click {for win}{menu Options}{/for}{for mac}{menu Preferences}{/for}. # Click the ''Advanced'' panel in the ''Update'' tab, and make sure that “Automatically install updates” is checked. <!--I can't find this on Ubuntu. Can anyone help?-->