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Asked: 2026-05-10T19:45:51+00:00

I am not able to access localhost https pages in firefox3. It gave the

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I am not able to access localhost https pages in firefox3. It gave the error

‘Can’t connect securely because the SSL protocol has been disabled. (Error code: ssl_error_ssl_disabled)’

I enabled all the SSL2 related preferences through about:config and the error changed to

‘Data Transfer Error The browser connected successfully, but the connection was interrupted while transferring information. Please try again.’

The first error seems most likely due to a invalid certificate but can’t figure out the second…

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1 Answer

  1. Quick way to create a self-signed certificate using openssl:

    openssl req -new -x509 -days 365 -nodes -out /etc/apache2/cert.pem -keyout /etc/apache2/cert.pem -subj '/C=US/ST=Yourstate/L=Yourcity/O=Your Company, Inc./OU=Development/CN=your.vhostname.com/emailAddress=youremail@example.com'

    (It’s better to create a CA certificate separately and use that to create a certificate to use; apache complains to the error log when you use a self-signed certificate like above. But I don’t have a recipe handy for doing that.)

    Then in your apache configuration (separately for each virtual host if needed), say:

    SSLEngine on SSLCertificateFile /etc/apache2/cert.pem

    and make sure mod_ssl is enabled.

    You may be able to debug your problems using curl:

    $ curl -sSvk https://your.vhostname.com 2>&1 | less
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