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#REDIRECT [[OpenSSL]] |
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__NOTOC__ |
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= OpenSSL = |
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== Create SSL Certificates for server/client(s) environment == |
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# Create openssl directory structure for MySQL |
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<pre><nowiki> |
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mkdir -p /etc/pki/openssl |
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mkdir -p /etc/pki/openssl/private |
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mkdir -p /etc/pki/openssl/newcerts |
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</nowiki></pre> |
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# Initialize Index database |
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<pre><nowiki> |
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touch /etc/pki/openssl/index.txt |
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</nowiki></pre> |
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# Create control serial number |
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<pre><nowiki> |
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date +%Y%m%d > /etc/pki/openssl/serial |
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</nowiki></pre> |
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# Copy default openssl configuration file |
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<pre><nowiki> |
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cp /etc/pki/tls/openssl.cnf /etc/pki/openssl/ |
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</nowiki></pre> |
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# Change the default dir on the new configuration file |
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<pre><nowiki> |
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replace ../../CA /etc/pki/openssl -- /etc/pki/openssl/openssl.cnf |
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</nowiki></pre> |
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# Generate CA |
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<pre><nowiki> |
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openssl req -new -x509 -keyout /etc/pki/openssl/private/cakey.pem -out /etc/pki/openssl/cacert.pem -config /etc/pki/openssl.cnf |
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</nowiki></pre> |
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# Create Server REQ and KEY |
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<pre><nowiki> |
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openssl req -new -keyout /etc/pki/openssl/server-key.pem -out /etc/pki/openssl/server-req.pem -days 3600 -config /etc/pki/openssl/openssl.cnf |
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</nowiki></pre> |
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# Remove passphrase from KEY |
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<pre><nowiki> |
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openssl rsa -in /etc/pki/openssl/server-key.pem -out /etc/pki/openssl/server-key.pem |
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</nowiki></pre> |
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# Sign server cert |
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<pre><nowiki> |
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openssl ca -policy policy_anything -out /etc/pki/openssl/server-cert.pem -config /etc/pki/openssl/openssl.cnf -infiles /etc/pki/openssl/server-req.pem |
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</nowiki></pre> |
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# Create REQ and KEY for the client |
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<pre><nowiki> |
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openssl req -new -keyout /etc/pki/openssl/client-key.pem -out /etc/pki/openssl/client-req.pem -days 3600 -config /etc/pki/openssl/openssl.cnf |
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</nowiki></pre> |
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# Remove passphrase from the client KEY |
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<pre><nowiki> |
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openssl rsa -in /etc/pki/openssl/client-key.pem -out /etc/pki/openssl/client-key.pem |
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</nowiki></pre> |
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# Sign client cert |
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<pre><nowiki> |
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openssl ca -policy policy_anything -out /etc/pki/openssl/client-cert.pem -config /etc/pki/openssl/openssl.cnf -infiles /etc/pki/openssl/client-req.pem |
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</nowiki></pre> |
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== Generating Strong Private key and CSR == |
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In order to increase the security and generate a unique and unpredictable key we will provide the random data to OpenSSL. |
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==== RSA private key ==== |
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# Create a folder and place 3 larger files |
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<pre><nowiki> |
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# mkdir -p /etc/pki/local |
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# cd /etc/pki/local |
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# tar zcvf logs.tgz /var/logs |
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# cp /boot/vmlinuz-2.6.18-92.1.6.el5 . |
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</nowiki></pre> |
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# Generate RSA private key |
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<pre><nowiki> |
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openssl genrsa -des3 -rand logs.tgz:vmlinuz-2.6.18-92.1.6.el5:/dev/random -out local.bashlinux.com.key 1024 |
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</nowiki></pre> |
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# Patience, it will take a long, up to 10 minutes |
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# Enter the passphrase when prompts |
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# '''To remove passphrase'''if Apache, in order to avoid it asks for passphrase every time it starts)'' |
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<pre><nowiki> |
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openssl rsa -in local.bashlinux.com.key -out local.bashlinux.com.pem |
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</nowiki></pre> |
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* '''Generate Certificate Signing Request (CSR)''' |
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<pre><nowiki> |
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openssl req -new -key local.bashlinux.com.key -out local.bashlinux.com.csr |
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</nowiki></pre> |
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* '''To generate a Self-Signed certificate that is good for 1 year''' |
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<pre><nowiki> |
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# openssl x509 -req -days 360 -in local.bashlinux.com.csr -signkey local.bashlinux.com.key -out local.bashlinux.com.crt |
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</nowiki></pre> |
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Latest revision as of 00:06, 9 June 2015
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