Can I use my old CSR for SSL renewal? You should avoid using the CSR generated during the initial certificate activation, as this is not secure and can compromise your SSL certificate usage. Your hosting company should assist you with a repeated CSR code generation.

2016年7月27日 · Yes, you will need a new CSR for the domain and your user name/password. Some web servers allow to use old CSR but I recommend to create a new CSR.

2015年10月30日 · Yes, as long as you have the private key, you can re-issue a new CSR by copying the fields (Country Name, State or Province Name, Locality Name, Organization Name, Organizational Unit Name, Common Name, Email Address) from the …

2011年7月1日 · While it's true that "re-using the CSR implies reuse of your private key as well", it does not mean that "impersonate being you forever if you reuse the CSR". If you decide to use a key for N months, it's fine to use the same CSR for those N months.

2024年11月14日 · Maybe you’re renewing an SSL certificate, switching Certificate Authorities, or just need a fresh start. Whatever the reason, I’m here to break down exactly how to generate a …

2009年6月24日 · You can also probably work out what info was put into the original CSR by examining the current cert: openssl x509 -in <certfile> -text -noout

2016年8月16日 · It depends on the SSL provider that you should continue with old CSR or generate new CSR, but it is recommended to create a new one to get rid of misconfiguration.

2020年3月19日 · The older conflicting CA must be purged. For systems that store the CA standalone in a file, that file should be replaced by the newer CA. For systems that store the CA in a bundle (both CA and possibly many more bundled in one large file), the old CA must be removed from that file and the newer CA must be added. There are different sources of CA.

2021年5月5日 · Before you re-issue your SSL Certificate, make sure that you have the appropriate CSR. For that, you may use either one of the following: Original CSR – this is the old CSR you used to issue the certificate previously (note: only do this if you still have access to the Private Key that was generated with that CSR).

Using an old CSR creates an unacceptable risk that your private key has been somehow compromised. Even if the old key is compromised, you can create a new CSR and attackers will not be able to mimic your site or conduct attacks on your users. See the following guide if you need to create a new CSR.