# Cannot Sandbox App

**URL:** <https://forum.legato.io/t/cannot-sandbox-app/5554>\
**Category:** Uncategorized\
**Created:** [December 28, 2020, 8:04am UTC](https://forum.legato.io/t/cannot-sandbox-app/5554 "2020-12-28T08:04:06Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.legato.io/jyijyi/32/822_2.png) [@jyijyi](https://forum.legato.io/u/jyijyi)\
**Post date:** [December 28, 2020, 1:02pm UTC](https://forum.legato.io/t/cannot-sandbox-app/5554/6 "2020-12-28T13:02:40Z")

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It works for old fw of wp76, you might try some old fw for wp8548.

> [@Sample application Httpget cannot be run on WP76 R13](https://forum.legato.io/t/sample-application-httpget-cannot-be-run-on-wp76-r13/4787):
>
> It says DNS cannot resolve host name: Oct 29 02:00:56 | httpGet[9967]/httpGetComponent T=main | httpGet.c GetUrl() 78 | curl\_easy\_perform() failed: Couldn’t resolve host name Any idea on this? I remember this sample works on R9.

Also here says it works on wp77 R12:  
[https://forum.mangoh.io/t/httpget-example-via-modem-does-not-work-on-wp7702/4825/4](https://forum.mangoh.io/t/httpget-example-via-modem-does-not-work-on-wp7702/4825/4)

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