Windows Registry Editor Version 5.00 

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome\WebRtcLocalIpsAllowedUrls]
"1"="https://*.stream.co.jp"
"2"="https://*.stream.ne.jp"
"3"="https://*.stream.jp"
"4"="https://*.kollective.app"

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome\LocalNetworkAccessAllowedForUrls]
"1"="[*.]stream.co.jp"
"2"="[*.]stream.ne.jp"
"3"="[*.]stream.jp"
"4"="[*.]kollective.app"

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome]
"WebRtcIPHandling"="default

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge\WebRtcLocalIpsAllowedUrls]
"1"="https://*.stream.co.jp"
"2"="https://*.stream.ne.jp"
"3"="https://*.stream.jp"
"4"="https://*.kollective.app"

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge\LocalNetworkAccessAllowedForUrls]
"1"="[*.]stream.co.jp"
"2"="[*.]stream.ne.jp"
"3"="[*.]stream.jp"
"4"="[*.]kollective.app"

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge]
"WebRtcLocalhostIpHandling"="default"

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Mozilla\Firefox\Preferences]
"media.peerconnection.ice.obfuscate_host_addresses.blocklist"="<prefix>.stream.co.jp,<prefix>.stream.ne.jp,<prefix>.stream.jp,<prefix>.kollective.app"
* Sample list provided - Due to Firefox and wildcards please validate and use the complete URL with ECDN partner relevant to your organisation.