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Be more specific on ports for ICMP #496

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Merged
manuelbuil merged 2 commits into from
May 29, 2026
Merged

Be more specific on ports for ICMP #496

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Be more specific on ports for ICMP
manuelbuil Mar 18, 2026
2b885fd
Update docs/install/requirements.md
manuelbuil May 28, 2026
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14 changes: 8 additions & 6 deletions docs/install/requirements.md
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Expand Up @@ -137,12 +137,14 @@ The VXLAN port on nodes should not be exposed to the world as it opens up your c
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| Port | Protocol | Source | Destination | Description
|-------------|----------|-------------------|-------------------|------------
| 8/0 | ICMP | All RKE2 nodes | All RKE2 nodes | Cilium CNI health checks
| 4240 | TCP | All RKE2 nodes | All RKE2 nodes | Cilium CNI health checks
| 8472 | UDP | All RKE2 nodes | All RKE2 nodes | Cilium CNI with VXLAN
| 51871 | UDP | All RKE2 nodes | All RKE2 nodes | Cilium CNI with WireGuard
| Port | Protocol | Source | Destination | Description
|-------------|-----------|-------------------|-------------------|------------
| 0, 8 * | ICMP | All RKE2 nodes | All RKE2 nodes | Cilium CNI health checks
| 4240 | TCP | All RKE2 nodes | All RKE2 nodes | Cilium CNI health checks
| 8472 | UDP | All RKE2 nodes | All RKE2 nodes | Cilium CNI with VXLAN
| 51871 | UDP | All RKE2 nodes | All RKE2 nodes | Cilium CNI with WireGuard

\* 0, 8 is not a port but the [ICMP type](https://www.iana.org/assignments/icmp-parameters/icmp-parameters.xhtml#icmp-parameters-types). It is required for the network utility ping

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<TabItem value="Calico">
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