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Forward DNS requests into --internal networks #47821

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merged 1 commit into from
May 14, 2024

Commits on May 10, 2024

  1. Forward DNS requests into --internal networks

    A recent change to prevent containers only connected to --internal
    networks from communicating with external DNS servers inadvertently
    prevented the daemon's internal DNS server from forwarding requests
    within an internal network to a containerised DNS server.
    
    Relax the check, so that only requests that need to be forwarded
    from the host's network namespace are dropped.
    
    External DNS servers remain unreachable from the internal network.
    
    Signed-off-by: Rob Murray <rob.murray@docker.com>
    robmry committed May 10, 2024
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