Re: Upgrade to Win10: Certificates lost

[MFPA]

Hi


On Tuesday 22 March 2016 at 4:39:32 AM, in
, Thomas Fernandez wrote:



> How do I get TB! to find the cert adb?

Tools | Address Book | View | Certificate Aggress Books

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MFPA  

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Re: Upgrade to Win10: Certificates lost

[MFPA]

Hi


On Tuesday 22 March 2016 at 9:14:14 PM, in
, Jernej Simončič
wrote:



Options ->> S/MIME and TLS -> select Microsoft CryptoAPI.  



Just for the record, I am using TB! 7.1.18 on Windows 10 with Avast 
Free Antivirus 11.1.2253, with TB!'s Internal Implementation selected 
for S/MIME and TLS certificates. My Trusted Root CA address book 
contains three certificates for Avast and my intermediate CA AB 
contains one. 


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MFPA  

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Re: Upgrade to Win10: Certificates lost

[Thomas Fernandez]

Hello Jernej,

On Tue, 22 Mar 2016 22:14:14 +0100 GMT (23-Mar-16, 04:14 +0700 GMT),
Jernej Simončič wrote:

> On Tuesday, March 22, 2016, 14:48:49, Thomas Fernandez wrote:

>> How would I do that? - I do like avast!, and I don't know whether
>> Windows Defender is as good.

Options ->> S/MIME and TLS -> select Microsoft CryptoAPI.

Thanks; Anton already mentioned this. I will try in the office and
will report back.

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Cheers,
Thomas.

http://thomas.fernandez.hat-gar-keine-homepage.de/

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Re: Upgrade to Win10: Certificates lost

[Jernej Simončič]

On Tuesday, March 22, 2016, 14:48:49, Thomas Fernandez wrote:

> How would I do that? - I do like avast!, and I don't know whether
> Windows Defender is as good.

Options -> S/MIME and TLS -> select Microsoft CryptoAPI.

-- 
< Jernej Simončič ><><><><>< http://eternallybored.org/ >

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Re: Upgrade to Win10: Certificates lost

[Feli Wilcke]

Hello Thomas, 

Am 22. März 2016 14:48:49 MEZ, schrieb Thomas Fernandez :
 
>> Your antivirus is doing a MITM attack on the connection, which is why
>> it's failing.
... 
>I disabled avast! in the office, and could use the computer without
>problems. Windows 10 automtically enables Windows Defender when no
>other antivirus is enabled, so I was reasonably safe (I hope).

I'm using NOD32 for ages (it was suggested on the german list some years ago) 
and had no problems at all with certificates when switching to W10. 
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Feli 


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Re: Upgrade to Win10: Certificates lost

[Thomas Fernandez]

Hello Jernej,

On Tue, 22 Mar 2016 12:00:44 +0100 GMT (22-Mar-16, 18:00 +0700 GMT),
Jernej Simončič wrote:

> On Tuesday, March 22, 2016, 5:39:32, Thomas Fernandez wrote:

>>  22-Mar-16, 11:26:51: FETCH - Issuer: generated by avast! antivirus for
>> SSL/TLS scanning, avast! Web/Mail Shield, avast! Web/Mail Shield Root.

> Your antivirus is doing a MITM attack on the connection, which is why
> it's failing.

Thanks, that was it!

I had already download that TB! version again and reinstalled, hoping
that the certificates will show up in the ABD, but they didn't.
Checking here on my home PC, I don't see any certs in the RootCa
addressbook either...

I disabled avast! in the office, and could use the computer without
problems. Windows 10 automtically enables Windows Defender when no
other antivirus is enabled, so I was reasonably safe (I hope).

I only wonder why there was no MITM problem with avast! under Windows
8, and it suddenly appeared after the Windows upgrade.

> It might work if you switch TB to use the Windows certificate store,
> but such MITM actually leaves you more vulnerable.

How would I do that? - I do like avast!, and I don't know whether
Windows Defender is as good.

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Thomas.

http://thomas.fernandez.hat-gar-keine-homepage.de/

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Re: Upgrade to Win10: Certificates lost

[Thomas Fernandez]

Hello Anton,

On Tue, 22 Mar 2016 17:55:42 +0500 GMT (22-Mar-16, 19:55 +0700 GMT),
Anton Belenki wrote:

>> you can also try to enable option (Options/S/MIME and TLS...), which is 
>> shown in screenshot.

> screenshot didn't attach.

> go to Options/S/MIME and TLS... and set Microsoft CryptoAPI.

I see... Thanks, I'll try tomorrow in the office.

Note: I had sent my original request by Gmane, as this email account
is not set up on my office computer. I could create a new topic and
read replies, but could not any reply with Gmane - but that is sure
off-topic here.

-- 

Cheers,
Thomas.

http://thomas.fernandez.hat-gar-keine-homepage.de/

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Re: Upgrade to Win10: Certificates lost

[Anton Belenki]

> you can also try to enable option (Options/S/MIME and TLS...), which is shown 
> in screenshot.

screenshot didn't attach.

go to Options/S/MIME and TLS... and set Microsoft CryptoAPI.

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Re: Upgrade to Win10: Certificates lost

[Anton Belenki]

> !22-Mar-16, 11:26:51: FETCH - TLS handshake failure. Invalid server
> certificate. The certificate or one of the certificates in the certificate
> chain does not have a valid signature.

you can also try to enable option (Options/S/MIME and TLS...), which is shown 
in screenshot.

it once helped to resolve my certificate problems.

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Re: Upgrade to Win10: Certificates lost

[Jernej Simončič]

On Tuesday, March 22, 2016, 5:39:32, Thomas Fernandez wrote:

>  22-Mar-16, 11:26:51: FETCH - Issuer: generated by avast! antivirus for
> SSL/TLS scanning, avast! Web/Mail Shield, avast! Web/Mail Shield Root.

Your antivirus is doing a MITM attack on the connection, which is why
it's failing. It might work if you switch TB to use the Windows
certificate store, but such MITM actually leaves you more vulnerable.

-- 
< Jernej Simončič ><><><><>< http://eternallybored.org/ >

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