Training
Module
Configure IP network connectivity - Training
This module explores configuring Windows clients to communicate over IPv4 and IPv6 networks.
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The longevity of IPv4 resulted in hard coding many well-known IPv4 addresses, such as loopback addresses (127.x.x.x), integer constants such as INADDR_LOOPBACK, among others. The practice of hard coding these addresses presents obvious problems when modifying and existing application to support IPv6 or creating new IP version-independent programs.
Best Practice
Code To Avoid
To modify your existing code base from IPv4 to IPv4- and IPv6-interoperability
The Checkv4.exe utility can help you find common literal strings, but there may be others that are specific to your application. You should perform thorough searching and testing to ensure your code base has eradicated potential problems associated with literal strings.
Training
Module
Configure IP network connectivity - Training
This module explores configuring Windows clients to communicate over IPv4 and IPv6 networks.