Interposer 1.0.8 Release Notes

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What's Changed

Network Adapter Filtering

Many games naively pick the first network adapter Windows reports, which breaks LAN play when a VPN, Hamachi, or other virtual adapter shadows the real LAN NIC. The new NetworkAdapters section presents the game a filtered view of the machine's adapters so it lands on the one you want.

Add a NetworkAdapters section to .interposer\Config.yml:

NetworkAdapters:
  Enabled: true
  Subnets: ['192.168.1.0/24', '10.0.0.0/8']   # IPv4 CIDR
  Names:   ['^Ethernet', 'Realtek']           # regex vs FriendlyName/Description
  MACs:    ['00:11:22:33:44:55']              # colon or dash separated

This is an allow-list: an adapter is kept if it matches any configured filter, and every non-matching adapter is hidden from the enumeration APIs. If all three lists are empty the feature is a no-op and every adapter is shown unchanged.

The three filters have different reach:

Filter	Matched against	Covered APIs
Subnets	Each of the adapter's IPv4 addresses	GetAdaptersInfo, GetAdaptersAddresses, gethostbyname (local host), WSAIoctl SIO_GET_INTERFACE_LIST
Names	FriendlyName and Description (case-insensitive ECMAScript regex)	GetAdaptersInfo, GetAdaptersAddresses
MACs	Physical address, colon- or dash-separated, case-insensitive	GetAdaptersInfo, GetAdaptersAddresses

Hidden-adapter activity is written to the session log when Logging.Network is true. Plugins and host applications can enumerate the canonical adapter list via InterposerEnumNetworkAdapters, surfaced in .NET as NetworkAdapterInfo.

Redistributable Packaging Fixes

The LANCommander redistributable (.lcx) package layout and its Install / Name Change / Uninstall scripts were corrected so it imports cleanly, and the release workflow and OptionSchema were updated to cover the new NetworkAdapters options.