On Monday 15 July 2013 09:00:41 Noel Butler did opine:
On Sun, 2013-07-14 at 21:38 -0700, Professa Dementia wrote:
On 7/14/2013 9:03 PM, Gene Heskett wrote:
Guessing between the lines I made a few substitutions to localize it for me, but when I run the line to dump the configs, the output is very short because I do not have the *.pem files.
Where can a usable set of these ssl 'keyfiles' be obtained?
$ openssl genrsa -out server.key 2048 $ openssl req -sha256 -new -key server.key -out server.csr $ openssl x509 -req -days 3650 -in server.csr -signkey server.key -out server.crt $ cat server.key server.crt > server.pem
Run the four commands. You will have a key file, certificate signing request file, a self signed cert and a pem file which is the
simplified: (4 lines into 1)
openssl req -x509 -days 3650 -nodes -newkey rsa:4096 -keyout mail.pem -out mail.pem
if you want real security, you need to have your cert signed by a real certificate authority (CA).
good idea, a self sign cert is fine for playing around, however there are some situations some clients might get upset at SSC's in production, either way, if you want a free "real" certificate for your mail server (inc webmail), have a look at the offerings from startssl.com
dont know if your linked site gave you any this sicne I've just returned from a break and catching up on some 1700 posts under my list a/c :) (which most will be 'mark all as read'), but anyway
in this case use: openssl req -new -newkey rsa:4096 -days 365 -nodes -keyout mail.key -out mail.csr
submit your csr file to startssl (or other provider), and get your mail.crt file _and_ the class1/CA files (they should offer them to you to d/l)
Typically, I keep hte key separate and would use something like
cat mail.crt /etc/ssl/CA/sub.class1.server.ca.pem /etc/ssl/CA/ca.pem > dovecot.pem
and in dovecot: ssl_cert_file = /etc/ssl/certs/dovecot.pem ssl_key_file = /etc/ssl/certs/mail.key
Thank you very much, I believe that is exactly what I am looking for.
Cheers, Gene
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