security

After a fair amount of trial and error, I have finally discovered a way to back up files on one system over the Internet, to a remote system in a secure, automated way.

Getting SELinux working can be tough. Here are some commands I found useful.

telnet yourserver.com 25
HELO myserver.ca
MAIL FROM:
RCPT TO:
DATA
From: "Relay Test" 
To: Mike 
Subject: Open Relay Test
This is a relay test. A properly configured mail server
should decline to relay this message.
 
.
QUIT

Wireshark Display Filters

Get into the correct directory:

cd /etc/pki/tls/certs

Generate key

openssl genrsa -des3 -out mike.key 4096

chmod 600 mike.key

Generate signing request

openssl req -new -key mike.key -out mike.csr

chmod 600 mike.csr

Get the CA to sign the request

openssl x509 -req -days 10000 -in mike.csr -out mike.cert \

-CA /etc/pki/tls/certs/army.ca/Army.ca_CA.cer \