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How to check ssl certificate expiry date using openssl command?

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# 1  
Old 06-13-2019
How to check ssl certificate expiry date using openssl command?
hi

how to check ssl certificate expiry date using openssl command
try below code it is not working, any help


Code:
echo q | openssl s_client -connect akamai.com:443 | openssl x509 -noout -enddate
socket: Bad file descriptor
connect:errno=9
unable to load certificate
140587484587920:error:0906D06C:PEM routines:PEM_read_bio:no start line:pem_lib.c:707:Expecting: TRUSTED CERTIFICATE

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LEARN ABOUT NETBSD

ssl_set_verify_result

SSL_set_verify_result(3)					      OpenSSL						  SSL_set_verify_result(3)

NAME

       SSL_set_verify_result - override result of peer certificate verification

LIBRARY

       libcrypto, -lcrypto

SYNOPSIS

	#include <openssl/ssl.h>

	void SSL_set_verify_result(SSL *ssl, long verify_result);

DESCRIPTION

       SSL_set_verify_result() sets verify_result of the object ssl to be the result of the verification of the X509 certificate presented by the
       peer, if any.

NOTES

       SSL_set_verify_result() overrides the verification result. It only changes the verification result of the ssl object. It does not become
       part of the established session, so if the session is to be reused later, the original value will reappear.

       The valid codes for verify_result are documented in openssl_verify(1).

RETURN VALUES

       SSL_set_verify_result() does not provide a return value.

SEE ALSO

       ssl(3), SSL_get_verify_result(3), SSL_get_peer_certificate(3), openssl_verify(1)

1.0.1i								    2009-07-20						  SSL_set_verify_result(3)