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Ignore packets that don't come from private networks

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This commit is contained in:
Albert Vaca Cintora
2025-10-31 20:47:02 +01:00
parent 726e75a3e3
commit a4d7bec978
1 changed files with 11 additions and 0 deletions
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11
src/org/kde/kdeconnect/Backends/LanBackend/LanLinkProvider.java
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@@ -132,6 +132,12 @@ public class LanLinkProvider extends BaseLinkProvider {
private void tcpPacketReceived(Socket socket) throws IOException {
InetAddress address = socket.getInetAddress();
if (!address.isSiteLocalAddress() && !address.isLinkLocalAddress()) {
Log.i("LanLinkProvider", "Discarding UDP packet from a non-local IP");
return;
}
if (rateLimitByIp(address)) {
Log.i("LanLinkProvider", "Discarding second TCP packet from the same ip " + address + " received too quickly");
return;
@@ -209,6 +215,11 @@ public class LanLinkProvider extends BaseLinkProvider {
final InetAddress address = packet.getAddress();
if (!address.isSiteLocalAddress() && !address.isLinkLocalAddress()) {
Log.i("LanLinkProvider", "Discarding UDP packet from a non-local IP");
return;
}
if (rateLimitByIp(address)) {
Log.i("LanLinkProvider", "Discarding second UDP packet from the same ip " + address + " received too quickly");
return;