https://business.forums.bt.com/t5/Archive/Firefox-reports-invalid-security-certificate/m-p/30599#M4551 <P>Over the last few days, whenever I try to log in to <A href="https://myoffice.bt.com" target="_blank">https://myoffice.bt.com</A> on Firefox to manage our website I get the following message:</P><P>&nbsp;</P><P><EM>This Connection is Untrusted&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </EM></P><P><EM>You have asked Firefox to connectsecurely to myoffice.bt.com, but we can't confirm that your connection is secure. &nbsp; &nbsp; &nbsp; &nbsp;Normally, when you try to connect securely,sites will present trusted identification to prove that you aregoing to the right place. However, this site's identity can't be verified.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </EM></P><P><EM>What Should I Do?&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</EM></P><P><EM>If you usually connect tothis site without problems, this error could mean that someone istrying to impersonate the site, and you shouldn't continue.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </EM></P><P><EM>Technical Details&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </EM></P><P><EM>myoffice.bt.com uses an invalid security certificate.</EM><BR /><EM>The certificate is not trusted because no issuer chain was provided.</EM><BR /><EM>(Error code: sec_error_unknown_issuer)</EM></P><P>&nbsp;</P><P>There used to be no problem logging in. What is wrong?</P> Fri, 30 Sep 2011 13:57:28 GMT tansycat 2011-09-30T13:57:28Z https://business.forums.bt.com/t5/Archive/Firefox-reports-invalid-security-certificate/m-p/30599#M4551 <P>Over the last few days, whenever I try to log in to <A href="https://myoffice.bt.com" target="_blank">https://myoffice.bt.com</A> on Firefox to manage our website I get the following message:</P><P>&nbsp;</P><P><EM>This Connection is Untrusted&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </EM></P><P><EM>You have asked Firefox to connectsecurely to myoffice.bt.com, but we can't confirm that your connection is secure. &nbsp; &nbsp; &nbsp; &nbsp;Normally, when you try to connect securely,sites will present trusted identification to prove that you aregoing to the right place. However, this site's identity can't be verified.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </EM></P><P><EM>What Should I Do?&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</EM></P><P><EM>If you usually connect tothis site without problems, this error could mean that someone istrying to impersonate the site, and you shouldn't continue.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </EM></P><P><EM>Technical Details&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </EM></P><P><EM>myoffice.bt.com uses an invalid security certificate.</EM><BR /><EM>The certificate is not trusted because no issuer chain was provided.</EM><BR /><EM>(Error code: sec_error_unknown_issuer)</EM></P><P>&nbsp;</P><P>There used to be no problem logging in. What is wrong?</P> Fri, 30 Sep 2011 13:57:28 GMT https://business.forums.bt.com/t5/Archive/Firefox-reports-invalid-security-certificate/m-p/30599#M4551 tansycat 2011-09-30T13:57:28Z