Kube apiserver verify error num 20 unable to get local issuer certificate. I tried using this: openssl s_client -connect the. When establishing an SSL/TLS Jun 2, 2025 · Fix 'SSL certificate problem unable to get local issuer certificate' errors in Kubernetes. MYDOMAIN. ipa. ORG, CN = rancher. ORG, CN = Certificate Authority Validity Not Before: Jun 18 18:31:53 2019 GMT Not After : Jun 18 18:31:53 2021 GMT Subject: O = IPA. mydomain. May 18, 2023 · Here’s a summary and experience on how to fix the “verify error:num=20:unable to get local issuer certificate” issue when working with SSL/TLS connections. Jan 29, 2025 · depth=0 CN=kube-apiserver verify error:num=20:unable to get local issuer certificate verify return:1 depth=0 CN=kube-apiserver verify error:num=21:unable to verify the first certificate verify return:1 depth=0 CN=kube-apiserver verify return:1 --- Certificate chain 0 s:CN=kube-apiserver i:CN=kubernetes a:PKEY: rsaEncryption, 2048 (bit); sigalg . edu:3269 With the following result: verify error:num=20:unable to get local issuer certificate I thought, OK, well server's an old production server a few years old. Complete troubleshooting guide for Git SSL errors and testing issues. OpenSSL Verify return code: 20 (unable to get local issuer certificate) Asked 13 years, 2 months ago Modified 9 months ago Viewed 382k times Nov 25, 2019 · verify return:1 Certificate: Data: Version: 3 (0x2) Serial Number: 46 (0x2e) Signature Algorithm: sha256WithRSAEncryption Issuer: O = IPA. org Subject Public Key Info: the program was unable to verify the certificate’s issuer or the topmost certificate of a provided chain. This can happen for a few reasons: 13 I've been trying to get an SSL connection to an LDAPS server (Active Directory) to work, but keep having problems. server. cwvl ithrils yeyr ztce bgfpxfo tpiibwl nbdzofb bmqpp hgbqd uhow