Winding Up SSL Implementation in Oracle Apps 11i
SSL Configuration on Web Server broad level Steps
1.1 Create Certificates Using openssl (You can try OWM Oracle Wallet Manager as well)
1.2 Change Context File parameters mentioned in previous post mentioned above
1.3 run Autoconfig
1.4 Test Application
For detailed stesp by step guide for implementing SSL on E-Business Suite follow Metalink Note # 123718.1 11i: A Guide to Understanding and Implementing SSL for Oracle Applications
Above note covers SSL for Web Server , Form Server & Database Server , In typical Implementation you can configure SSL just to web server Node.
Few Important Note/Points w.r.t. SSL
SSL with Multiple Middle Tier
1. If you have multiple middle tier like server1, server2 ..serverN with load balancer infront of them & assume load balancer & assume that you access your apps via URL http://teachmeoracle.com which means ServerName in httpd.conf will have value teachmeoracle.com and while generating SSL under create CSR (Certificate Signing Request)phase Common Name should be same as ServerName in httpd.conf
2. You can use same Certificates as long as ServerName in httpd.conf are same
Cloning SSL Instances
If you are cloning already configured SSL to Target Instance, you need to create new Certificates on Target Instance. If target Instance was previously configured with SSL before cloning take a backup of SSL certificates (By Default certificates are in $IAS_ORACLE_HOME/Apache/Apache/certs/apache ssl.crt & ssl.key) and replace them after cloning.
If you are not sure about location of Certificates , check following directive in Context File ( *.xml file )
web_ssl_directory
web_ssl_keyfile
web_ssl_certfile
web_ssl_certchainfile
Performance with SSL
Yes, there be little bit performance degradation with SSL as server take some time to encrypt & decrypt messages/packets between Client & Server but there will not be big performance degradation. If you can’t afford performance hits because of SSL you can use
SSL Accelerators
Related Links
123718.1 11i: A Guide to Understanding and Implementing SSL for Oracle Applications
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