From 3f6b13d03eb1dbaab78ff170d5ce470e387a98ec Mon Sep 17 00:00:00 2001 From: Matthias Jaros Date: Sat, 4 Jul 2026 10:04:38 +0200 Subject: Only save results that found something. Not reachable hosts or no open or filtered ports add no value to the scan and thus only cost RAM --- src/main/java/com/it_jaros/jscanner/Scanner.java | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/main/java/com/it_jaros/jscanner/Scanner.java b/src/main/java/com/it_jaros/jscanner/Scanner.java index 66ceb03..7ff838f 100644 --- a/src/main/java/com/it_jaros/jscanner/Scanner.java +++ b/src/main/java/com/it_jaros/jscanner/Scanner.java @@ -84,7 +84,11 @@ public class Scanner implements AutoCloseable { continue; } activeHostWorkers--; - scan.addScanResult(finishedHost.get()); + ScanResult result = finishedHost.get(); + // we only want results that give value and not cost RAM for nothing + if (!result.openPorts().isEmpty() || !result.filteredPorts().isEmpty()) { + scan.addScanResult(finishedHost.get()); + } } catch (InterruptedException e) { Thread.currentThread().interrupt(); } catch (ExecutionException e) { -- cgit v1.3.1