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Netscreen ERR_SSL_VERSION_OR_CIPHER_MISMATCH

I can no longer access my Netscreen ns25 firewall.  Firefox and Chrome give error ERR_SSL_VERSION_OR_CIPHER_MISMATCH. Nothing has changed on this firewall for years and now I can not access the GUI. Does anyone have a work around to restore the firewall or is it time to replace it?
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Sanga Collins
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Your browser no longer accepts older versions of ssl certs. I use an older version of Firefox to get around this issue. You can also disable ssl for the webui via the command line.
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ASKER

I am a GUI guy. Can you help with the command to disable the web gui ssl for trust interface?
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Sanga Collins
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ASKER

Thank you. unset admin http redirect  will let me back in long enough to copy my settings to setup a replacement. Many thanks.