The validation of "http://10.1.0.20/matomo/piwik.php" failed with error "Not Found" (HTTP code 404)

Support & Bugs
1

hi mi question is: when i try add my site says me “The validation of “http://10.1.0.20/matomo/piwik.php” failed with error “Not Found” (HTTP code 404).”, but i have try on server start matomo plugin whit curl:

[root@srv-dru01 ~]# curl 10.1.0.20/matomo/piwik.php
This resource is part of Matomo. Keep full control of your data with the leading free and open source web analytics & conversion optimisation platform.

is correct ???
why plugin not function?

2

i have tried register account of site on matomo cloud and function correct.

3

SOLVED:
my server is: http://10.1.0.20
not good : http://10.1.0.20/matomo