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docs: clarify that --data-path-addr doesn't restrict access #4997

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merged 1 commit into from May 13, 2024
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docs: clarify that --data-path-addr doesn't restrict access #4997

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6 changes: 6 additions & 0 deletions docs/reference/commandline/swarm_init.md
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Expand Up @@ -117,6 +117,12 @@ data traffic from the management traffic of the cluster.

If unspecified, the IP address or interface of the advertise address is used.

Setting `--data-path-addr` does not restrict which interfaces or source IP
addresses the VXLAN socket is bound to. Similar to `--advertise-addr`, the
purpose of this flag is to inform other members of the swarm about which
address to use for control plane traffic. To restrict access to the VXLAN port
of the node, use firewall rules.

### <a name="data-path-port"></a> Configure port number for data traffic (--data-path-port)

The `--data-path-port` flag allows you to configure the UDP port number to use
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