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ViaThinkSoft CodeLib

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CodeLib → How-Tos → Miscellaneous

CodeLib Miscellaneous: OpenSSL: Extract Server Certificate
This code also supports SNI (Server-Name-Indication):

#!/bin/sh
ADDR=www.viathinksoft.de
PORT=443
# To display the certificate data:
echo "" | openssl s_client -connect "$ADDR:$PORT" -servername "$ADDR" | openssl x509 -noout -text
# To extract the certificate:
echo "" | openssl s_client -connect "$ADDR:$PORT" -servername "$ADDR" | openssl x509 -out servercert.pem
Daniel Marschall
ViaThinkSoft Co-Founder
Autor: Daniel Marschall
Datum: 19 December 2011; Revision: 21 March 2012
Gelesen: 22,621 Mal