As announced ( OpenSSL Client Compatibility Changes for Let’s Encrypt Certificates ) expiration of DST Root CA X3 causing issues for clients with OpenSSL < 1.1.0. As there are still some very old Centos/RHEL 6 Servers (openssl-1.0.1e-58.el6_10.x86_64) out there (especially some of our VM Hosting/Hous…

@ Osiris - thx - it's working like a charm with the manually compiled RPMs! :wink: For the sake of completeness, here again the complete workflow to solve the DST Root CA X3 expiration problem with Centos / RHEL 6 ... yum install wget yum install krb5-devel zlib-devel lksctp-tools-devel util-linux…

RHEL/CentOS 6 OpenSSL client compatibility after DST Root CA X3 expiration

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rg305 October 13, 2021, 1:44am 79

Hi @yaylife and welcome to the LE community forum

I can't think of a better compliment

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RHEL/CentOS 6 OpenSSL client compatibility after DST Root CA X3 expiration

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