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Domain name routing: route the first packet correctly


Question

Posted

In KeeneticOS 5.0+ a very useful feature was added — domain name based routing (DNS-based routes).
However, there is a fundamental issue: the first packet is always sent via the default route.

Current behavior:

• a client starts a connection
• the first TCP SYN is sent via the default interface
• only after the DNS response Keenetic adds the routing entry
• the second attempt goes through the correct interface

As a result:

• the first request is often slow or times out
• many websites and apps “open on the second try”
• network behavior becomes unpredictable

Expected behavior:
If a domain is listed in domain name routing rules,
the very first packet should be routed via the correct interface, not the default one.

Suggestion:
Implement a mechanism where Keenetic waits for the DNS response and applies the route before sending the first packet, so the connection is correct from the beginning.

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