Please review this US-CERT article for more detail.

Most people will not be affected by this change, but if you use Internet Explorer 6, you need to edit your settings before November 14th to be able to access this site.
To change your settings, do the following:
1. Open Internet Explorer.
2. Click the Tools menu and select Internet Options.
3. Click the Advanced Tab.
4. Scroll to the Security section near the bottom of the list.
5. Uncheck SSL 3.0 and check TLS 1.0.
6. Click Apply and then OK.

If you are unable to update your settings, please let your IT department know. If you are unable to access the site after November 14th, please call us and we will be happy to take your order over the phone.