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Firefox doesn't recognize a certificate by Sectigo Ltd on certain Linux machines

  • 1 reply
  • 1 has this problem
  • 80 views
  • Last reply by info1972

I try to open https://botcompany.de in Firefox 74.

On one Linux machine (Peppermint 10), it works fine.

On another Linux machine (Ubuntu 18.04), I get a certificate error (SEC_ERROR_UNKNOWN_ISSUER).

Where does this difference come from? I need my certificate to be recognized on all machines.

Thanks

I try to open https://botcompany.de in Firefox 74. On one Linux machine (Peppermint 10), it works fine. On another Linux machine (Ubuntu 18.04), I get a certificate error (SEC_ERROR_UNKNOWN_ISSUER). Where does this difference come from? I need my certificate to be recognized on all machines. Thanks

Chosen solution

Hey guys, problem SOLVED.

I needed to put the full chain instead of just the certificate in my keystore (webserver is written in Java). Posting the crucial code here to help others:

cat privkey.pem fullchain.pem >priv-and-cert.pem openssl pkcs12 -export -out keystore.p12 -in priv-and-cert.pem -name mydomain.name

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All Replies (1)

Chosen Solution

Hey guys, problem SOLVED.

I needed to put the full chain instead of just the certificate in my keystore (webserver is written in Java). Posting the crucial code here to help others:

cat privkey.pem fullchain.pem >priv-and-cert.pem openssl pkcs12 -export -out keystore.p12 -in priv-and-cert.pem -name mydomain.name