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[client] Redirect dns forwarder port 5353 to new listening port 22054 (#4707)

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- Port dnat changes from https://github.com/netbirdio/netbird/pull/4015 (nftables/iptables/userspace)
  - For userspace: rewrite the original port to the target port
  - Remember original destination port in conntrack
  - Rewrite the source port back to the original port for replies
- Redirect incoming port 5353 to 22054 (tcp/udp)
- Revert port changes based on the network map received from management
- Adjust tracer to show NAT stages
This commit is contained in:
Viktor Liu
2025-10-28 15:12:53 +01:00
committed by GitHub
parent 4545ab9a52
commit 404cab90ba
25 changed files with 1125 additions and 196 deletions
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shared/management/proto/management.proto
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@@ -410,7 +410,7 @@ message DNSConfig {
bool ServiceEnable = 1;
repeated NameServerGroup NameServerGroups = 2;
repeated CustomZone CustomZones = 3;
int64 ForwarderPort = 4;
int64 ForwarderPort = 4 [deprecated = true];
}
// CustomZone represents a dns.CustomZone