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Internet Related/Filtering/Firewall Thread, O365 Exchabge via Lightspeed box is slow in Technical; Originally Posted by tom_newton Is lightspeed blocking access to the CRLs you need? That could slow things down as IE ...
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    Edu-IT's Avatar
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    Quote Originally Posted by tom_newton View Post
    Is lightspeed blocking access to the CRLs you need? That could slow things down as IE will look to see if the cert has been revoked and have to wait $timeout seconds to find out that it can't...would hope lightspeed have a CRL category you can allow?
    This was happening at home for me.

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    @bodminman Do you use Office 365 with Outlook and are you using HTTPS decryption on the Rocket? I.e Is the Rocket acting as a proxy server?

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    Quote Originally Posted by Edu-IT View Post
    @bodminman Do you use Office 365 with Outlook and are you using HTTPS decryption on the Rocket? I.e Is the Rocket acting as a proxy server?
    @Edu-IT - As a school we don't use Outlook although I do have it configured on my machine.

    The Rocket is not acting as a proxy server but we do have the 'Decode SSL Certs' option enabled under Web Filter/General.

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    Is that with Office 365? @bodminman

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    Quote Originally Posted by Edu-IT View Post
    Is that with Office 365? @bodminman
    @Edu-IT - Yes it is.

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    Do you have any problems with Outlook on it, such as Mailtips not working? I suspect not if you aren't using it as a proxy as I don't think it decrypts SSL in non proxy mode which is where I think the issue is.

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    Quote Originally Posted by Edu-IT View Post
    Do you have any problems with Outlook on it, such as Mailtips not working? I suspect not if you aren't using it as a proxy as I don't think it decrypts SSL in non proxy mode which is where I think the issue is.
    Nah, outlook works fine tbh but during our trial when we did have it setup as a proxy I couldn't get outlook to connect at all. However I was assured that all would be fine when it's inline.

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    Have you tried recently? Mine keeps complaining that MailTips can't be retrieved and I can't work out why.

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    Sorry to drag this up again but I want to update you where I'm up to!

    Basically I have found the cause and would like some advice on implementing the cure!

    When I run 'netsh winhttp show proxy' the result shows our old proxy server/port. This info is visible within IE but not enabled.

    When I run 'netsh winhttp reset proxy' (settin git to 'Direct Access')browsing the web works as normal and we have now issues at all, even with 'Check for server certificate revocation' enabled.

    How can I set the machines to do the 'netsh winhttp reset proxy' without me having to go around them all manually? Startup script?

    Thanks

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    If the info shows in IE but is not enabled, do you know what's populating it? Something GPO based? Could you do a GPP with the info cleared (or set to new proxy server/port) and disabled maybe rather than script?

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    Quote Originally Posted by Willott View Post
    If the info shows in IE but is not enabled, do you know what's populating it? Something GPO based? Could you do a GPP with the info cleared (or set to new proxy server/port) and disabled maybe rather than script?
    I have been through the GPO's (Spent most of yesterday doing it) and there was only one reference to the old proxy server. That has now been removed but even after shed loads of gpupdate /force and reboots the setting still remains in place.

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