[squid-users] ssl bump and chrome 58

Wed May 3 10:33:01 UTC 2017

Exactly.

03.05.2017 16:32, Rafael Akchurin пишет:
> And on 3.5 too?
>
> -----Original Message-----
> From: Yuri [mailto:yvoinov at gmail.com]
> Sent: Wednesday, May 3, 2017 12:30 PM
> To: Rafael Akchurin <rafael.akchurin at diladele.com>; Flashdown <flashdown at data-core.org>
> Cc: squid-users at lists.squid-cache.org
> Subject: Re: [squid-users] ssl bump and chrome 58
>
> Mountain brake, Raf :-)
>
> Fixed yesterday, already running on productions (on my side) ;-)
>
>
> 03.05.2017 15:05, Rafael Akchurin пишет:
>> Sorry disregard - should practice my  google fu better - see
>> http://bugs.squid-cache.org/show_bug.cgi?id=4711
>>
>> -----Original Message-----
>> From: squid-users [mailto:squid-users-bounces at lists.squid-cache.org]
>> On Behalf Of Rafael Akchurin
>> Sent: Wednesday, May 3, 2017 10:48 AM
>> To: Flashdown <flashdown at data-core.org>; Yuri Voinov
>> <yvoinov at gmail.com>
>> Cc: squid-users at lists.squid-cache.org
>> Subject: Re: [squid-users] ssl bump and chrome 58
>>
>> [This sender failed our fraud detection checks and may not be who they
>> appear to be. Learn about spoofing at
>> http://aka.ms/LearnAboutSpoofing]
>>
>> Hello all,
>>
>> The following steps give in Chrome 58 the "Your connection is not private" error with "NET::ERR_CERT_COMMON_NAME_INVALID" and "missing_subjectAltName" error:
>>
>> (peek-an-splice bumping squid 3.5.23_1 as in
>> https://docs.diladele.com/howtos/build_squid_ubuntu16/index.html)
>>
>> 1. Open Chrome 58+
>> 2. Type some non existing domain name like "https://www.asdlajsdfl.com" (note the httpS:// schema) 3. See the missing_subjectAltName error.
>>
>> Correct behavior would be Squid generating faked certificate for the domain name "www.asdlajsdfl.com" *with* subjectAltName extension set to "www.asdlajsdfl.com".
>>
>> So question is - does anyone know if this is already existing bug or shall I file one?
>> May be it is a feature?
>>
>> Best regards,
>> Rafael
>>
>>
>> -----Original Message-----
>> From: squid-users [mailto:squid-users-bounces at lists.squid-cache.org]
>> On Behalf Of Flashdown
>> Sent: Thursday, April 27, 2017 6:42 PM
>> To: Yuri Voinov <yvoinov at gmail.com>
>> Cc: squid-users at lists.squid-cache.org
>> Subject: Re: [squid-users] ssl bump and chrome 58
>>
>> I've tested the registry setting and it worked out. You can copy the below lines in a .reg file and execute it.
>>
>> Windows Registry Editor Version 5.00
>>
>> [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome]
>> "EnableCommonNameFallbackForLocalAnchors"=dword:00000001
>>
>>
>> Best regards,
>> Flashdown
>>
>> Am 2017-04-27 18:34, schrieb Flashdown:
>>> Hello together,
>>>
>>> here is a workaround that you could use in the meanwhile.
>>>
>>> https://www.chromium.org/administrators/policy-list-3#EnableCommonNam
>>> e
>>> FallbackForLocalAnchors
>>>
>>> Source:
>>> https://www.chromium.org/administrators/policy-list-3#EnableCommonNam
>>> e
>>> FallbackForLocalAnchors
>>>>>>>> BEGIN
>>> EnableCommonNameFallbackForLocalAnchors
>>> Whether to allow certificates issued by local trust anchors that are
>>> missing the subjectAlternativeName extension
>>>
>>> Data type:
>>>       Boolean [Windows:REG_DWORD]
>>> Windows registry location:
>>>
>>> Software\Policies\Google\Chrome\EnableCommonNameFallbackForLocalAncho
>>> r
>>> s
>>> Mac/Linux preference name:
>>>       EnableCommonNameFallbackForLocalAnchors
>>> Android restriction name:
>>>       EnableCommonNameFallbackForLocalAnchors
>>> Supported on:
>>>
>>>           Google Chrome (Linux, Mac, Windows) since version 58 until
>>> version 65
>>>           Google Chrome OS (Google Chrome OS) since version 58 until
>>> version 65
>>>           Google Chrome (Android) since version 58 until version 65
>>>
>>> Supported features:
>>>       Dynamic Policy Refresh: Yes, Per Profile: No
>>> Description:
>>>
>>>       When this setting is enabled, Google Chrome will use the
>>> commonName of a server certificate to match a hostname if the
>>> certificate is missing a subjectAlternativeName extension, as long as
>>> it successfully validates and chains to a locally-installed CA
>>> certificates.
>>>
>>>       Note that this is not recommended, as this may allow bypassing
>>> the nameConstraints extension that restricts the hostnames that a
>>> given certificate can be authorized for.
>>>
>>>       If this policy is not set, or is set to false, server
>>> certificates that lack a subjectAlternativeName extension containing
>>> either a DNS name or IP address will not be trusted.
>>> Example value:
>>>       0x00000000 (Windows), false (Linux), false (Android), <false />
>>> (Mac)
>>> <<<<<<<<<<<< END
>>>
>>>
>>>
>>> Am 2017-04-27 18:16, schrieb Flashdown:
>>>> Hello together,
>>>>
>>>> Suddenly I am facing the same issue when users Chrome has been
>>>> updated to V58. I am running Squid 3.5.23.
>>>>
>>>> This is the reason:
>>>> https://www.thesslstore.com/blog/security-changes-in-chrome-58/
>>>> Short: Common Name Support Removed in Chrome 58 and Squid does not
>>>> create certs with DNS-Alternatives names in it. Because of that it
>>>> fails.
>>>>
>>>> Chrome says:
>>>> 1. Subject Alternative Name Missing - The certificate for this site
>>>> does not contain a Subject Alternative Name extension containing a
>>>> domain name or IP address.
>>>> 2. Certificate Error - There are issues with the site's certificate
>>>> chain (net::ERR_CERT_COMMON_NAME_INVALID).
>>>>
>>>> Can we get Squid to add the DNS-Alternative Name to the generated
>>>> certs? Since this is what I believe is now required in Chrome 58+
>>>>
>>>> Best regards,
>>>> Enrico
>>>>
>>>>
>>>> Am 2017-04-21 15:35, schrieb Yuri Voinov:
>>>>> I see no problem with it on all five SSL Bump-aware servers with
>>>>> new Chrome. So fare so good.
>>>>>
>>>>>
>>>>> 21.04.2017 18:29, Marko Cupać пишет:
>>>>>> Hi,
>>>>>>
>>>>>> I have squid setup with ssl bump which worked fine, but since I
>>>>>> updated chrome to 58 it won't display any https sites, throwing
>>>>>> NTT:ERR_CERT_COMMON_NAME_INVALID. https sites still work in
>>>>>> previous chrome version, as well as in IE.
>>>>>>
>>>>>> Anything I can do in squid config to get ssl-bumped sites in
>>>>>> chrome again?
>>>>>>
>>>>>> Thank you in advance,
>>>>> _______________________________________________
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>>>>> squid-users at lists.squid-cache.org
>>>>> http://lists.squid-cache.org/listinfo/squid-users
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