15000/config_dump | ./istioctl proxy-config secret --file -
RESOURCE NAME     TYPE           STATUS     VALID CERT     SERIAL NUMBER                               NOT AFTER                NOT BEFORE
default           Cert Chain     ACTIVE     true           251932493344649542420616421203546836446     2021-01-29T18:07:21Z     2021-01-28T18:07:21Z
ROOTCA            CA             ACTIVE     true           81663936513052336343895977765039160718      2031-01-26T17:54:44Z     2021-01-28T17:54:44Z
</code></pre><p