---
title: "Network infrastructure requirements"
canonical: "https://docs.cuesystem.com/space/TOSSAASD/1062174722/Network%20infrastructure%20requirements"
format: markdown
---
For proper functionality of the CUE Solution, it is necessary to verify that the following services are functional on the customer's network (the tenant). For details about CUE Solution URL’s see [this chapter](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/803962954).

> ℹ️ For enhanced security of your SaaS instalation, check out how to [Restrict website access by IP address](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/844398888)

# touchONE reservation panels

### HTTPS access

touchONE panels to the tenant network must have access to the following URL via **HTTPS (port 443)**:

- Calendar server access (depending on which one is used)
  - Microsoft 365 - <span style="color: #0747a6">**https://graph.microsoft.com**</span> and <span style="color: #0747a6">**https://login.microsoftonline.com**</span>
  - Google Workspace
  - CUE Solution CALENDAR URL on SaaS<span style="color: #0747a6">*** ***</span><span style="color: #0747a6">*[https://cuecalendar.yourdomain.topdomain](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/803962954)*</span>
- CUE Solution API URL on SaaS,<span style="color: #0747a6">*** ***</span><span style="color: #0747a6">*[https://cueapi.yourdomain.topdomain](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/803962954)*</span>

CUE System supports the following cryptographic standards for HTTPS access: TLS 1.2, TLS 1.3. Supported encrypting includes AES-GCM, ChaCha20-Poly1305.

### Standard network ports and services used for basic functionality

- **UDP port 123** for access to NTP (time) servers
- **UDP port 53** for communication with DNS server and conversion of domain names to IP addresses
- **UDP ports 67 and 68** for communication with the DHCP server and for IP address assignment, if DHCP is used

# CUE Admin

Workstations running the CUE Admin website must have access to the following URL via **HTTPS (port 443)**:

- All [URLs used in the CUE Solution](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/803962954).
- Calendar server access (depending on which one is used)
  - Microsoft 365 - <span style="color: #0747a6">**https://graph.microsoft.com**</span> and <span style="color: #0747a6">**https://login.microsoftonline.com**</span>
  - Google Workspace

# CUE Assist

Devices (mobile phones, tablets, PC's etc.) running the CUE Assist website must have access to the following URL via **HTTPS (port 443)**: 

- CUE Solution ASSIST URL on SaaS <span style="color: #0747a6">*[https://cueassist.yourdomain.topdomain](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/803962954)*</span>
- CUE Solution API URL on SaaS<span style="color: #0747a6">*** ***</span><span style="color: #0747a6">*[https://cueapi.yourdomain.topdomain](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/803962954)*</span>
- Calendar server access (depending on which one is used)
  - Microsoft 365 - <span style="color: #0747a6">**https://graph.microsoft.com**</span>  and <span style="color: #0747a6">**https://login.microsoftonline.com**</span>
  - Google Workspace
  - CUE Solution CALENDAR URL on SaaS<span style="color: #0747a6">*** ***</span><span style="color: #0747a6">*[https://cuecalendar.yourdomain.topdomain](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/803962954)*</span>

# CUE Navigation

Devices (mobile phones, tablets, PC’s etc.) running the CUE Assist website must have access to the following URL via **HTTPS (port 443)**: 

- CUE Solution NAVIGATION URL on SaaS <span style="color: #0747a6">*[https://cuenavi.yourdomain.topdomain](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/803962954)*</span>
- CUE Solution ASSIST URL on SaaS <span style="color: #0747a6">*[https://cueassist.yourdomain.topdomain](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/803962954)*</span>
- CUE Solution API URL on SaaS<span style="color: #0747a6">*** ***</span><span style="color: #0747a6">*[https://cueapi.yourdomain.topdomain](https://cue.atlassian.net/wiki/spaces/TOSSAASD/pages/803962954)*</span>