Re: OAUTH2 Dilemma

On 3/27/2022 7:42 AM, Matthias Andree wrote:
> Am 26.03.22 um 21:20 schrieb Dennis Putnam:
>> It appears Fetchmail 7 requires TLS 1.3. I am running CentOS 7 and the
>> support folks tell me that RedHat does not intend to add TLS 1.3 to
>> CentOS. I wonder if it will be added to RHEL? Anyway, that means I am
>> stuck using Fetchmail 6 for the foreseeable future. Before I go to the
>> trouble, do the OAUTH2 patches for Fetchmail 6 also require TLS 1.3? 
>> TIA.
>>
> Dennis,
>
> that's a bit of a letdown although I understand that in a stable CentOS
> 7 series they don't want major changes, and TLS v1.3 in itself is one,
> so you are stuck between a rock and a hard place... but you can work
> yourself out of this.
>
> You can install the latest OpenSSL 3.0.x to a separate directory,
> WARNING UNTESTED because I do not have CentOS 7,
> but somewhere along the lines of but maybe needs tweaking:
> unpack OpenSSL 3.0.x, then
> ./config --prefix /opt/openssl3 --openssldir=/usr/lib64
> -Wl,-rpath=/opt/openssl3/lib
> -- and then point your fetchmail 7 alpha build there to use it, with
> ./configure --with-ssl=/opt/openssl3
>
> The additional burden on you will then be to watch future OpenSSL 3.0.x
> releases and upgrade your /opt/openssl3 should security fixes become
> necessary in some future OpenSSL version, so take notes of what worked
> for you if you had to tweak things.
>
> Hope that helps.
> Matthias
>

Hi Matthias,

Thanks for that. So if I understand, it is the need for openssl 3 that 
is the roadblock not the OS itself.

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