Perform request using specific network interface

Question

Is it possible to perform GET/POST request in NodeJS using specific network interface?

I.e. with CURL I can invoke two POST calls like:

curl -X POST --interface wlan0 http://192.168.1.5/resource
curl -X POST --interface wlan1 http://192.168.1.5/resource
//                       ^^^^^

Both IP addresses are different machines - so first WiFi module is connected to one SSID, second is connected with a very different network, but the IPs are equal because of some top requirements (they lay in different, isolated networks).

rsp · Accepted Answer · 2017-03-13 16:00:05Z

6

See the localAddress option in the http options:

https://nodejs.org/api/http.html#http_http_request_options_callback

You need to set it to your IP address that is used for a given interface.

Another option would be to use node-curl:

https://www.npmjs.com/package/node-curl

answered Mar 13, 2017 at 16:00

rsp

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1 Comment

hsz Over a year ago

Thank you for the response. But what if both of the sub-networks will assign the same IP for my WiFi adapters? Yeah, node-curl may be my second attempt, but I'd like to handle it in request-way somehow.

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