2 articles tagged "transport layer security"

Linux Postfix mail server SSL certificate installations and configuration
One of our regular reader asks :
How do I generate a CSR certificate for CA, to use with my postfix mail server? How do I install and configure postfix mail server SSL certificate under Redhat enterprise Linux 5 or CentOS 5 server?

Procedure for creating a CSR on postfix MTA is just like web server. [...]
Linux or UNIX password protect files
From my mailbag:
Q. How do I password protect files?
Linux and other Unixish oses offers strong file permissions and ACL (access control list) concept in Linux/UNIX computer security used to enforce privilege separation.
However, none of them offers a password to protect files. You can use GNU gpg (GNU Privacy Guard) encryption and signing [...]

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