-verify return error

openssl s_client -connect temporal-frontend:7233 \
                                                     -servername YOUR_SERVER \
                                                     -verify_return_error \
                                                     </dev/null 2>&1 | rg -i 'verify|subject|issuer|CN|servername'
depth=2 C=US, O=Internet Security Research Group, CN=ISRG Root X1
verify return:1
depth=1 C=US, O=Let's Encrypt, CN=R12
verify return:1 
depth=0 CN=*.subdomain.yourDOMAIN.com
verify return:1
 0 s:CN=*.subdomain.yourDOMAIN.com
   i:C=US, O=Let's Encrypt, CN=R12
 1 s:C=US, O=Let's Encrypt, CN=R12
   i:C=US, O=Internet Security Research Group, CN=ISRG Root X1
XXXXEwNSMTIwHhcNMjYwpbzCMf9BdhpXXXXX
subject=CN=*.subdomain.yourDOMAIN.com
issuer=C=US, O=Let's Encrypt, CN=R12
Verify return code: 0 (ok)
    Verify return code: 0 (ok)

See also

• openssl [ s_clients | -verify_return_error ]