Create SSL Certificates (Self Signed)2020/04/27 |
| Create your server's self signed SSL Certificates. If you use your server as a business, it had better buy and use Formal Certificates. |
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root@dlp:~# cd /etc/ssl/private root@dlp:/etc/ssl/private# openssl genrsa -aes128 -out server.key 2048 Generating RSA private key, 2048 bit long modulus (2 primes) ...........................+++++ ............+++++ e is 65537 (0x010001) Enter pass phrase for server.key: # set passphrase Verifying - Enter pass phrase for server.key: # confirm # remove passphrase from private key root@dlp:/etc/ssl/private# openssl rsa -in server.key -out server.key Enter pass phrase for server.key: # input passphrase writing RSA key openssl req -new -days 3650 -key server.key -out server.csr You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Country Name (2 letter code) [AU]:JP # country code State or Province Name (full name) [Some-State]:Hiroshima # state Locality Name (eg, city) []:Hiroshima # city Organization Name (eg, company) [Internet Widgits Pty Ltd]:GTS # company Organizational Unit Name (eg, section) []:Server World # department Common Name (e.g. server FQDN or YOUR name) []:dlp.srv.world # server's FQDN Email Address []:root@srv.world # admin email address Please enter the following 'extra' attributes to be sent with your certificate request A challenge password []: An optional company name []:root@dlp:/etc/ssl/private# openssl x509 -in server.csr -out server.crt -req -signkey server.key -days 3650 Signature ok subject=C = JP, ST = Hiroshima, L = Hiroshima, O = GTS, OU = Server World, CN = dlp.srv.world, emailAddress = root@srv.world Getting Private keyroot@dlp:/etc/ssl/private# total 20 drwx------ 2 root root 4096 Apr 26 19:56 ./ drwxr-xr-x 4 root root 4096 Apr 23 19:33 ../ -rw-r--r-- 1 root root 1334 Apr 26 19:56 server.crt -rw-r--r-- 1 root root 1062 Apr 26 19:56 server.csr -rw------- 1 root root 1675 Apr 26 19:55 server.key |