"timeout" , onlyoffice desktop connect to cloud

Nextcloud snap 19

  • Nextcloud apps document server 0.17
  • Nextclodu apps onlyoffice 4.3

config.php add
‘onlyoffice’ => array (
‘verify_peer_off’ => true

localhost/index.php/apps/documentserver_community/healthcheck > true

and, may on-cloud edit the file via onlyoffice apps, but when install onlyoffice desktop software (desktop editors try to connect to cloud. it shows “timeout”.
any solutions?

auto upgrade to 19.0.1, still timeout when desktop editor connect Nextcloud

like this