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Certification authority root certificate expiry and renewal

The answer https://serverfault.com/a/308100/971795 seems to suggest it's not necessary to renew the private key - only renew the public key certificate is enough. However, it is best practice to ...
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SSL Cert Issues with Proxy Server Configuration

My issue had nothing to do with the LB in my environment since we're not SSL offloading. Adding individual certs/keys to each proxy server in with a CN value set to the FQDN (prox1.local, proxy2.local)...
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openssl - cross sign certificate

In openssl x509 commandline, you can't selectively delete extension(s); you can use -clrext to drop all input extensions and configure in your -extfile the pre-existing extensions you do want (at ...
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AWS - Get Windows password for EC2 Instance

If you have a .ppk file, you can convert it to .pem using PuttyGen. Load your .ppk file: Export it as OpenSSH format:
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Convert from P7B to PEM via OpenSSL

If you get the following error: unable to load PKCS7 object 140368561349952:error:0909006C:PEM routines:get_name:no start line:../crypto/pem/pem_lib.c:745:Expecting: PKCS7 make sure the content of ...
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How can I use Ubuntu 22.04 with OpenSSL 3 and PHP sites? Getting errors due to a conflict

This seems to be fixed in the latest version of PHP. I had the same problem connecting to GitLab over https on PHP 8.1.2, but PHP 8.1.6 does not have the same problem. PopOS 22.04 (based on Ubuntu) ...
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Infinite loop of BN_mod_sqrt not resolved after updating openssl in Ubuntu

Could verify the fix after I did "apt upgrade". That means some other package also needs to be updated. Don't know which one though. It would be helpful if we can know which packages exactly ...
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