Benjamin Franzke
de777ffae8
find_socket_fd() does not expect the sender address, but the listen-address. This is in fact the destination of the DNS packet. Matching via sender address caused a fallback to the default stub listener in manager_dns_stub_fd() as the sender address can never match the proxy stub listen address. Note that manager_dns_stub_fd() is only used for the default listener stub and the proxy stub, that means *extra* listeners stubs (DNSStubListenerExtra=…) have not been affected as `struct DnsStubListenerExtra` provides a direct link to the event source. By using the correct fd we ensure the correct socket options (like TTL) are used and prevent issues like #23495 in case ifindex could not be determined.
System and Service Manager
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