diff --git a/.gitignore b/.gitignore
index 1187503..cad3cb1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -53,3 +53,5 @@ dkms.conf
 
 # local folders
 .vscode
+*.zip
+*.rar
diff --git a/computer_networks/simulation/.gitignore b/computer_networks/simulation/.gitignore
new file mode 100644
index 0000000..9818a95
--- /dev/null
+++ b/computer_networks/simulation/.gitignore
@@ -0,0 +1,6 @@
+# ignore everything
+*
+
+# dont ingnore these
+!.gitignore
+!scratch
\ No newline at end of file