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How to workaround login form not loading due to "Load denied by X-Frame-Options" ?

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Login form which I access on page https://portal.librus.pl/rodzina/synergia/loguj loads correctly on Firefox Quantum 68.2.0esr (64-bit) but fails to show up on Firefox Nightly 72.0a1 (2019-11-04) (64-bit). I see "form is loading" message (in Polish language) with following error on the js console:

Load denied by X-Frame-Options: “deny” from “https://synergia.librus.pl/loguj/portalRodzina?v=1572944172”, site does not permit any framing. Attempted to load into “https://portal.librus.pl/rodzina/synergia/loguj”.

This happens also after disabling all addons. I also tried with user forum suggestion to disable dom.storage.next_gen in about: config, but it still does not load. Expected behavior: login form loads correctly.

Please advise if this is Firefox issue or rather application issue, i.e. improper use of the X-Frame-Options. Thank you, Kamila Chyla

Login form which I access on page https://portal.librus.pl/rodzina/synergia/loguj loads correctly on Firefox Quantum 68.2.0esr (64-bit) but fails to show up on Firefox Nightly 72.0a1 (2019-11-04) (64-bit). I see "form is loading" message (in Polish language) with following error on the js console: Load denied by X-Frame-Options: “deny” from “https://synergia.librus.pl/loguj/portalRodzina?v=1572944172”, site does not permit any framing. Attempted to load into “https://portal.librus.pl/rodzina/synergia/loguj”. This happens also after disabling all addons. I also tried with user forum suggestion to disable dom.storage.next_gen in about: config, but it still does not load. Expected behavior: login form loads correctly. Please advise if this is Firefox issue or rather application issue, i.e. improper use of the X-Frame-Options. Thank you, Kamila Chyla
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  • User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:72.0) Gecko/20100101 Firefox/72.0

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TyDraniu
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Hi Kamila.

You're right, it's an application issue, see

and I don't know any workaround for it. I think that you should inform them about it on pomoc@librus.pl .

Hi Kamila. You're right, it's an application issue, see * https://developer.mozilla.org/pl/docs/Web/HTTP/Headers/X-Frame-Options * https://niebezpiecznik.pl/post/x-frame-options-zacznij-stosowac/ and I don't know any workaround for it. I think that you should inform them about it on pomoc@librus.pl .
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Thank you. I contacted the support at librus.pl - the support team suggested to clean the cookies in my browser, which actually "helped". This of course does not solve application issue but is a kind of workaround...

Thank you. I contacted the support at librus.pl - the support team suggested to clean the cookies in my browser, which actually "helped". This of course does not solve application issue but is a kind of workaround...
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