> For the complete documentation index, see [llms.txt](https://docs.bird.com/pusher/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bird.com/pusher/channels/channels/connecting.md).

# Connecting

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[Can You Provide Me With a List of IP Addresses that Channels Uses?](/pusher/channels/channels/connecting/can-you-provide-me-with-a-list-of-ip-addresses-that-channels-uses.md)
{% endcontent-ref %}

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[How Can I Manually Unsubscribe Clients From My Server?](/pusher/channels/channels/connecting/how-can-i-manually-unsubscribe-clients-from-my-server.md)
{% endcontent-ref %}

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[Does Channels Work In Mainland China?](/pusher/channels/channels/connecting/does-channels-work-in-mainland-china.md)
{% endcontent-ref %}

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[How Can I Add A Cluster Failover Process to My Channels Integration?](/pusher/channels/channels/connecting/how-can-i-add-a-cluster-failover-process-to-my-channels-integration.md)
{% endcontent-ref %}

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[How Can I Stop Channels Users Going Offline For An Instant When They Navigate Between Pages?](/pusher/channels/channels/connecting/how-can-i-stop-channels-users-going-offline-for-an-instant-when-they-navigate-between-pages.md)
{% endcontent-ref %}

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[How Can I Transition A Live App To A  Different Cluster?](/pusher/channels/channels/connecting/how-can-i-transition-a-live-app-to-a-different-cluster.md)
{% endcontent-ref %}

{% content-ref url="/spaces/jCIctfimf2mMtdtHuayE/pages/t25K58qaiN3YgoYztyTd" %}
[Can I use Pusher Channel Authentication with Web Framework CSRF Protection?](/pusher/channels/channels/connecting/can-i-use-pusher-channel-authentication-with-web-framework-csrf-protection.md)
{% endcontent-ref %}

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[I’m Having Problems With The Reliability Of My Clients Connections To Pusher, What Can I Do?](/pusher/channels/channels/connecting/im-having-problems-with-the-reliability-of-my-clients-connections-to-pusher-what-can-i-do.md)
{% endcontent-ref %}

{% content-ref url="/spaces/jCIctfimf2mMtdtHuayE/pages/bw1z63MFqsIOpl2Amffz" %}
[Managing Channels keys in Mobile Apps ](/pusher/channels/channels/connecting/managing-channels-keys-in-mobile-apps.md)
{% endcontent-ref %}

{% content-ref url="/spaces/jCIctfimf2mMtdtHuayE/pages/MJTos9Ns5IEQsU9pIzxn" %}
[What Are Concurrent Channels Connections?](/pusher/channels/channels/connecting/what-are-concurrent-channels-connections.md)
{% endcontent-ref %}

{% content-ref url="/spaces/jCIctfimf2mMtdtHuayE/pages/pTNFhTLcNfFEEMQaDk1B" %}
[What Channels Clusters Exist?](/pusher/channels/channels/connecting/what-channels-clusters-exist.md)
{% endcontent-ref %}

{% content-ref url="/spaces/jCIctfimf2mMtdtHuayE/pages/C08iaZDSwqyPptJQAKiP" %}
[What Content Security Policy (CSP) do I need for Channels?](/pusher/channels/channels/connecting/what-content-security-policy-csp-do-i-need-for-channels.md)
{% endcontent-ref %}

{% content-ref url="/spaces/jCIctfimf2mMtdtHuayE/pages/GuPavzSHsEVsFPyckfT4" %}
[What happens if a user is on a poor connection that occasionally drops? Will they miss messages?](/pusher/channels/channels/connecting/what-happens-if-a-user-is-on-a-poor-connection-that-occasionally-drops-will-they-miss-messages.md)
{% endcontent-ref %}

{% content-ref url="/spaces/jCIctfimf2mMtdtHuayE/pages/6QCakMeLRSC28QSIgzvy" %}
[What Ports Do I Need To Open In My Firewall To Allow Channels To Connect?](/pusher/channels/channels/connecting/what-ports-do-i-need-to-open-in-my-firewall-to-allow-channels-to-connect.md)
{% endcontent-ref %}

{% content-ref url="/spaces/jCIctfimf2mMtdtHuayE/pages/2ObhHWfdAx67I564CuRJ" %}
[Why Am I Seeing More Channels Connections Than I Expect?](/pusher/channels/channels/connecting/why-am-i-seeing-more-channels-connections-than-i-expect.md)
{% endcontent-ref %}

{% content-ref url="/spaces/jCIctfimf2mMtdtHuayE/pages/x1gvd6b4l4VZP6OFxEf3" %}
[What WebSocket Protocols Does Channels Support?](/pusher/channels/channels/connecting/what-websocket-protocols-does-channels-support.md)
{% endcontent-ref %}

{% hint style="info" %}
Still have questions? Please reach out to our Support team by visiting [this page](https://messagebird.com/support-center/Pusher-request-new).
{% endhint %}


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