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Webproxy "overrides" certificate?

GernotMeyer

Hi all,

we have an UTM 9.5. Webproxy is in Standard Mode and SSL scan is off.

There is one external page with a valide certificate. Calling that page (SSL) with any browser is fine.

When login to an application on this page, the "unsafe" webproxy CA Certificate from the UTM shows up.

Accepting twice (unsafe certificate) the valide cert from that page comes back again.

That phänomen is only with IE (on all computers), not with Firefox or chrome and only one page.

So turning off the webproxy from standard to transparent mode and the problem is gone.

I have no idea what causes this reaction. What causes the UTM proxy to replace a cert from an external page?



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  • 0

    Without SSL-Scanning the "unsafe" webproxy CA Certificate ist used by the UTM to show error or message pages generated by UTM.

    Blocked popups/categories (from ADS or diagnostic redirects) can use these certificate too.


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

Reply
  • 0

    Without SSL-Scanning the "unsafe" webproxy CA Certificate ist used by the UTM to show error or message pages generated by UTM.

    Blocked popups/categories (from ADS or diagnostic redirects) can use these certificate too.


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

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