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Technical specifications
DNS & Whitelisting

DNS & Whitelisting

This page is intended for IT and network administrators.

The Connec2 platform is accessible from any network that meets the requirements below.
If allowed by your telecom provider, this can also be via a mobile 4G or 5G connection.

For full functionality, a network administrator may need to adjust DNS settings and whitelist domains and ports.

DNS records — connec2.app

The domain connec2.app is hosted and managed via Cloudflare.
Cloudflare provides DNS, CDN, caching, and SSL/TLS services.
All records below are proxied and secured through the Cloudflare network.
NameDNS Record TypeValueProxied by Cloudflare
@CNAMEconnec2.pages.devYes
cdnCNAMEconnec2-cdn.developer-013.workers.devYes
docsCNAMEconnec2-docs.pages.devYes
wwwCNAMEconnec2.pages.devYes

Whitelisting the Cloudflare network

To connect to connec2.app, allow inbound and outbound HTTPS traffic (TCP 443)
for Cloudflare IP ranges.

These are available at:

Recommendation: do not manually add individual IP addresses.
Synchronize or automate this list to keep firewall rules up to date.

Cloudflare Public DNS (optional)

PurposeIPv4IPv6
Primary1.1.1.12606:4700:4700::1111
Secondary1.0.0.12606:4700:4700::1001

These DNS resolvers are fast and secure and can be used for testing or fallback configurations.

DNS records — connec2.app

NameDNS Record TypeValue
eu-de-nbg-0.connec2.appA178.104.244.171
eu-de-nbg-1.connec2.appA91.99.233.203
eu-de-nbg-2.connec2.appA178.104.17.219
eu-de-nbg-3.connec2.appA46.224.223.246

Whitelisting

Core services

FQDNIP AddressProtocolPort(s)Description
www.connec2.nl85.10.159.32TCP / HTTPS443Connec2 website
uplink.connec2.nl85.10.159.32TCP / HTTPS443Connec2 Uplink installer
login.connec2.nl85.10.159.32TCP / HTTPS443Cluster redirection
packages.connec2.nl85.10.159.32TCP / HTTPS443Uplink package repository
api.connec2.nl85.10.159.32TCP / HTTPS443Connec2 API service
content.connec2.nl85.10.159.32TCP / HTTPS443Web content (e.g. scripts)

Clusters

ClusterIP AddressProtocolPort(s)Description
eu-de-nbg-0.connec2.app178.104.244.171TCP / HTTPS443Management Console / Cloud API
eu-de-nbg-0.connec2.app178.104.244.171TCP / WS+AES9000–9099XR services data channels (real-time)
eu-de-nbg-1.connec2.app91.99.233.203TCP / HTTPS443Management Console / Cloud API
eu-de-nbg-1.connec2.app91.99.233.203TCP / WS+AES9000–9099XR services data channels (real-time)
eu-de-nbg-2.connec2.app178.104.17.219TCP / HTTPS443Management Console / Cloud API
eu-de-nbg-2.connec2.app178.104.17.219TCP / WS+AES9000–9099XR services data channels (real-time)
eu-de-nbg-3.connec2.app46.224.223.246TCP / HTTPS443Management Console / Cloud API
eu-de-nbg-3.connec2.app46.224.223.246TCP / WS+AES9000–9099XR services data channels (real-time)

Connec2 XR services must be directly accessible for optimal performance (low latency).

Summary

For proper use of Connec2 Cloud:

  • Ensure all domains are reachable via DNS
  • Allow outbound traffic on:
    • HTTPS (443)
    • WebSocket AES (9000–9099)
  • Verify network access in advance for larger deployments

Tip: test connectivity using tools like ping or curl to verify reachability.

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