Network connections
This page shows the communication details for required and optional network connections.
From Android devices to the internet
| Destination | Service (Port) |
|---|---|
| Google Firebase Cloud Messaging (FCM): | |
All IP blocks listed in Google’s ASN 15169. Note that IP ranges change frequently. Check the document at least monthly. | FCM (5228-5230) |
| Zero-touch enrollment: | |
www.googleapis.com | HTTPS (443) |
| Samsung Knox Mobile Enrollment: | |
*.samsungknox.com *.secb2b.com *.samsung.com | HTTPS (443) |
| Sophos Intercept X for Mobile: | |
sdds3.sophosupd.com sdds3.sophosupd.net | HTTPS (443) |
secureservices.s3.eu-central-1.amazonaws.com | HTTP (80) |
| Sophos Intercept X for Mobile Web Filtering: | |
4.sophosxl.net/lookup | HTTPS (443) |
| Sophos Intercept X for Mobile Wi-Fi Security: | |
sslintt.sophos.com sslintt.sophosupd.com sslintt.sophosupd.net | HTTPS (443) |
From iPhones, iPads, and Macs to the internet
| Destination | Service (Port) |
|---|---|
| Apple Push Notification service for iPhones, iPads, and Macs. | |
17.0.0.0/8 | APNs (5223) |
| Apple service for available iPhone, iPad, and Mac updates. If this URL isn’t available, Sophos Mobile has no information about updates. For example, compliance rules regarding mandatory updates have no effect. | |
mesu.apple.com | HTTPS (443) |
| Sophos Intercept X for Mobile: | |
sdds3.sophosupd.com sdds3.sophosupd.net | HTTPS (443) |
secureservices.s3.eu-central-1.amazonaws.com | HTTP (80) |
| Sophos Intercept X for Mobile Web Filtering: | |
4.sophosxl.net/lookup | HTTPS (443) |
| Sophos Intercept X for Mobile Wi-Fi Security: | |
sslintt.sophos.com sslintt.sophosupd.com sslintt.sophosupd.net | HTTPS (443) |
From Windows computers to the internet
| Destination | Service (Port) |
|---|---|
| Windows Notification Service (WNS) and Microsoft Push Notification Service (MPNS) for Windows computers. | |
*.notify.windows.com *.wns.windows.com *.notify.live.net | HTTPS (443) |
From Chrome devices to the internet
| Destination | Service (Port) |
|---|---|
| Google Firebase Cloud Messaging (FCM): | |
All IP blocks listed in Google’s ASN 15169. Note that IP ranges change frequently. Check the document at least monthly. | FCM (5228-5230) |
| Sophos website classification service. Required by the Web Filtering feature of Sophos Chrome Security. | |
4.sophosxl.net/lookup | HTTPS (443) |