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# general
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cuddly-jordan-17092

09/21/2022, 11:09 AM
Hi Team Pen test reported that weak & invalid ssl communication is in use by one k3s server. Literally, i am a very new to this k3's. Could some one point me on how to fix the below issue
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openssl s_client -connect kube1001:6443 2>&1 | grep issuer
verify error:num=20:unable to get local issuer certificate
issuer=/CN=k3s-server-ca@1649270763

openssl s_client -connect kube1001:443 2>&1 | grep issuer
verify error:num=20:unable to get local issuer certificate
issuer=/CN=k3s-server-ca@1649270763

openssl s_client -connect kube1001:80 2>&1 | grep issuer
verify error:num=20:unable to get local issuer certificate
issuer=/CN=k3s-server-ca@1649270763
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