gives the default network interface used on your machine.


$DefaultNetworkInterface
gives the default network interface used on your machine.
Details

- Network interfaces are specified by string names such as "en0".
- $NetworkInterfaces gives a list of all network interfaces on your machine.
Related Guides
History
Text
Wolfram Research (2018), $DefaultNetworkInterface, Wolfram Language function, https://reference.wolfram.com/language/ref/$DefaultNetworkInterface.html.
CMS
Wolfram Language. 2018. "$DefaultNetworkInterface." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/$DefaultNetworkInterface.html.
APA
Wolfram Language. (2018). $DefaultNetworkInterface. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/$DefaultNetworkInterface.html
BibTeX
@misc{reference.wolfram_2025_$defaultnetworkinterface, author="Wolfram Research", title="{$DefaultNetworkInterface}", year="2018", howpublished="\url{https://reference.wolfram.com/language/ref/$DefaultNetworkInterface.html}", note=[Accessed: 11-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_$defaultnetworkinterface, organization={Wolfram Research}, title={$DefaultNetworkInterface}, year={2018}, url={https://reference.wolfram.com/language/ref/$DefaultNetworkInterface.html}, note=[Accessed: 11-August-2025]}