Add extra error handling for some incoming connection cases

Author: pimterry

src/server/http-combo-server.ts

@@ -50,6 +50,7 @@ function ifTlsDropped(socket: tls.TLSSocket, errorCallback: () => void) {
         socket.once('data', resolve);
 
         // If you silently close it very quicky, you probably don't trust us
+        socket.once('error', reject);
         socket.once('close', reject);
         socket.once('end', reject);
 

src/server/mockttp-server.ts

@@ -399,6 +399,7 @@ export default class MockttpServer extends AbstractMockttp implements Mockttp {
         // In Node 16+ we don't get an abort event in many cases, just closes, but we know
         // it's aborted because the response is closed with no other result being set.
         rawResponse.once('close', () => setImmediate(abort));
+        request.once('error', () => setImmediate(abort));
 
         this.announceInitialRequestAsync(request);