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Page Revision: Thu, Jul 14, 2016, 1:13 PM

Overview¶

This article provides the steps to take to configure encryption in transit for Mongo DB.

Assumptions¶

• The client machines are assumed to be web servers.
• The Mongo DB instances are assumed to be running on Linux server(s).
• All servers are running as EC2 server instances under Amazon Web Services.
  

Procedure¶

Create the Root Certificate Authority Certificate¶

This part of the procedure should be done on a PROTECTED machine -- i.e., NOT the Mongo DB or web server.

1. Create a folder to hold the Root CA Files

mkdir MyRootCA

2. Generate an RSA key pair

openssl genrsa -out MyRootCA.key 2048

3. Generate the Root CA Certificate

openssl req -x509 -new -key MyRootCA.key -days 365 -out MyRootCA.crt

4. Concatenate the CRT and KEY files into a PEM file

Windows

type MyRootCA.crt MyRootCA.key > MyRootCA.pem

Linux

cat MyRootCA.crt MyRootCA.key > MyRootCA.pem

Generate SSL Certificate for Each Server¶

This part of the procedure should be done on a PROTECTED machine on behalf of each Mongo DB server, as well as each web server.

1. Create a folder for each server's files.

mkdir PublicDnsOfServer

2. Set HOSTNAME environment variable

Windows

SET HOSTNAME=PublicDnsOfServer

Linux

HOSTNAME='PublicDnsOfServer'
export HOSTNAME

3. Generate Key Pair for the Server

openssl genrsa -out $HOSTNAME.key 2048

Install Certificate Files on Mongo DB Servers¶

1. Upload files to each Mongo DB server to a /tmp folder

• MyRootCA.crt
• MyMongoServer.com.pem
  

2. Move the files to the proper folder

cd /etc/ssl
mv MyRootCA.crt .
. . .

3. Adjust security on uploaded files

chown root:root MyRootCA.crt

=Install Certificate Files on Web Servers¶