07-20-2020 12:02 PM
Hello ,
i found port requirements on doc. like as below;
is that ports should be open bi or unidirectional ?
From | To | Port | Port Description |
Cisco Unified Communications Manager / IM and Presence Service | Cisco cloud | 443/TCP | HTTPS-based communications: · Subscription requests from Cisco Unified Communications Manager to Fusion Onboarding Service at fos-a.wbx2.com from publisher node · Authentication requests to Common Identity Service at idbroker.webex.com · Push notifications to the Push REST service at push.webexconnect.com This port should be open for all cluster nodes. |
Cisco Jabber client (when operating behind a firewall) | Apple cloud (17.0.0.0/8)* | 5223/TCP | Communications with Apple Push Notification service. |
Cisco Jabber client | Apple cloud (17.0.0.0/8)* | 443/TCP | Fallback port for 5223 if wi-fi is used. |
Table 2. Port Requirements for Push Notifications
Regards,
|
07-21-2020 12:01 AM
Unidirectional from CUCM. You don’t want to have those ports open from big bad interweb to your CUCM. Not if you don’t want to be hijacked anyway.
07-21-2020 12:22 AM
Thank you :)
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