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In Firefox 4.0 with a Server with a self signed certificate using IPv6 I can not add a "Security Exception" for this certificate.

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In Firefox 4.0 I have a server ... it contains a self signed certificate. Using IPv6 I can not add a "Security Exception" for this certificate.

1. I log onto the server (using IPv6). I get the "Untrusted connection page" saying "This connection is Untrusted"

2. I click on "Add Exception.." under the "I understand the Risks" section.

3. The "Add Security Exception" dialog comes up. soon after the dialog comes up I get an additional "Alert" dialog saying

An exception occured during connection to xxxxxxxxx. Peer's certificate issuer has been marked as not trusted by the User. (Error code sec_error_untrusted_issuer).

Please note that this works in Firefox 3.6.16 (in IPv4 and IPv6). It also works in Firefox 4.0 in IPv4 only IPv6 has an issue. What's wrong?

In Firefox 4.0 I have a server ... it contains a self signed certificate. Using IPv6 I can not add a "Security Exception" for this certificate. 1. I log onto the server (using IPv6). I get the "Untrusted connection page" saying "This connection is Untrusted" 2. I click on "Add Exception.." under the "I understand the Risks" section. 3. The "Add Security Exception" dialog comes up. soon after the dialog comes up I get an additional "Alert" dialog saying An exception occured during connection to xxxxxxxxx. Peer's certificate issuer has been marked as not trusted by the User. (Error code sec_error_untrusted_issuer). Please note that this works in Firefox 3.6.16 (in IPv4 and IPv6). It also works in Firefox 4.0 in IPv4 only IPv6 has an issue. What's wrong?

All Replies (3)

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Exactly the same problem, except I'm using FF v6 for Windows, not FF v4 as for the lead post. This is for a self-cert which IS trusted, although the error message says it isn't.

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I have the same problem with Firefox 6 on Windows connecting to any IPv6 address with a self-signed certificate. IPv4 address do not yield problems.

Modified by Isarian

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Still broken in Firefox 7, Firefox 8 Workaround: use Firefox 3 else Chrome

And on Linux x86_64, Fedora 13 speaking to print servers, routers, nas boxen.

This is a frequent occurrence when using broken self-signed certificates on locally-maintained print servers and/or hardware devices.

The error message (containing a valid IPv6 address) is as follows: An error occurred during a connection to 2001:ffff:ffff:0:ffff:ffff:feff:ffff:631. Peer's certificate issuer has been marked as not trusted by the user. (Error code: sec_error_untrusted_issuer

It would be super-duper helpful if the error message explained more about the certificate issuer and where it was marked as non-trusted, and how to unmark it. It remains the case that these indicate mis-configuration which cannot be changed on the server side because that mis-configured server is the *only* service portal access. Gotta be a way to drop the shields.