Juniper STRM 2008-2 - TECHNICAL NOTE CHANGING NETWORK SETTING... Mode d’emploi

Release 2008.2

JUNIPER NETWORKS STRM

TECHNICAL NOTE

USING ATRUSTED CERTIFICATE

June 2008

By default, STRM and STRM Log Management provide an untrusted SSL

certificate. You can replace the untrusted SSL certificate with a trusted certificate.

This document provides the following information:

•Understanding SSL Certificates

•Replacing the Untrusted SSL Certificate

Understanding SSL

Certificates Secure Sockets Layer (SSL) is the transaction security protocol used by web sites

to provide an encrypted link between a web server and a browser. SSL is an

industry standard and is used by web sites to protect online transactions. To be

able to generate an SSL link, a web server requires an SSL certificate. SSL

certificates are issued by:

•Software - This generally available software, such as Open SSL or Microsoft's

Certificate Services manager, issues SSL certificates known as self-signed

certificates. Self-signed certificates are not inherently trusted by browsers and

although they can be used for encrypting data, there is no third-party

verification process used to identify the server sending the certificate. They

cause browsers to display warning messages that inform the user that the

certificate has not been issued by an entity that the user has chosen to trust.

•Trusted third-party certifying authorities - These certification authorities, such as

VeriSign or Thawte, use their trusted position to issue trusted SSL certificates.

SSL certificates issued by trusted certification authorities do not display a

warning and transparently establish a secure link between a web site and a

browser.

Browsers and operating systems include a pre-installed list of trusted certification

authorities, known as the Trusted Root CA store. As Microsoft and Netscape

provide the major operating systems and browsers, they elect whether or not to

include the certification authority into the Trusted Root CA store, thereby giving the

certification authority its trusted status. STRM supports any trusted certificate

where their Trusted Root CA is in the browser and java keystores.

Release 2008.2

Replacing the

Untrusted SSL

Certificate

You can replace the untrusted SSL certificate provided with your STRM or STRM

Log Management with a certificate issued by a trusted third-party certifying

authority.

Note: You cannot replace the provided certificate with another untrusted

(self-signed) certificate.

Note: SSL certificates issued from VeriSign require an intermediate certificate.

You must download the intermediate certificate from VeriSign and use it during the

configuration.

To replace the SSL certificate on your Console:

Step 1 Obtain a trusted certificate from your certificate authority.

Note: Make sure the Administration Console is closed while performing the below

procedure.

Step 2 Log in to your system, as root.

Step 3 Copy the obtained certificates to your system:

cd <directory>

cp <private key filename> /etc/httpd/conf/certs/cert.key

cp <public key filename> /etc/httpd/conf/certs/cert.cert

Where:

<directory> indicates the directory used to generate the certificate.

<private key filename> indicates the name of the private key file. The private

key file must be named cert.key.

<public key filename> indicates the name of the public key file. The public

key file must be named cert.cert.

Step 4 If you require an intermediate certificate:

Note: Make sure the Administration Console is closed while performing the below

procedure.

a Obtain the intermediate certificate from your certificate authority.

b Copy the certificate to the following:

/etc/httpd/conf/certs/intermediate.ctr

c Open the following file:

/etc/httpd/conf.d/ssl.conf

d Locate the following line:

#SSLCACertificateFile /usr/share/ssl/certs/ca-bundle.ctr

e Replace the line with the following:

SSLCACertificateFile /etc/httpd/conf/certs/intermediate.ctr

f Save and exit the file.

Release 2008.2

Replacing the Untrusted SSL Certificate 3

For more information on installing an intermediate certificate, see the

documentation from your certificate authority.

Step 5 Enter the following command:

/opt/qradar/bin/install_ssl_cert.sh /etc/httpd/conf/certs/cert.cert

The following message appears:

Installing a new SSL certificate in the QRadar system ...

Changing the SSL certificate configuration variable...

Restarting the Apache

Shutting down httpd

Starting httpd

Restarting HostContext

[Q]Shutting down hostcontext service

[Q]Shutting hostcontext service

Successfully done.

Step 6 Restart the host context process on all non-Console systems in your deployment:

service hostcontext restart

the United States and other countries. All other trademarks, service marks, registered trademarks, or registered service marks in this document are the property of

Juniper Networks or their respective owners. All specifications are subject to change without notice. Juniper Networks assumes no responsibility for any

inaccuracies in this document or for any obligation to update information in this document. Juniper Networks reserves the right to change, modify, transfer, or

otherwise revise this publication without notice.

Part Number 530-025617-01

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