TCP/IP security components

You can take advantage of several TCP/IP security components that enhance your network security and add flexibility.

Though some of these technologies are also found in firewall products, these TCP/IP security components for i5/OS™ are not intended to be used as a firewall. However, you may be able to use some of these features, in some instances to eliminate the need for a separate firewall product. You also may be able to use these TCP/IP features to provide additional security in environments where you already use a firewall.

• Use packet rules to secure TCP/IP traffic
  Packet rules, which are the combination of IP filtering and network address translation (NAT), act like a firewall to protect your internal network from intruders.
• HTTP proxy server
  The HTTP proxy server comes with the IBM^® HTTP Server for iSeries™ server.
• Virtual private networking
  A virtual private network (VPN) allows your company to securely extend its private intranet over the existing framework of a public network, such as the Internet.
• Secure sockets layer
  Secure Sockets Layer (SSL) has become an industry standard for enabling applications for secure communication sessions over an unprotected network, such as the Internet.