diff --git a/src/filters/rclrar b/src/filters/rclrar
index 19f045f1..970442c1 100755
--- a/src/filters/rclrar
+++ b/src/filters/rclrar
@@ -49,7 +49,12 @@ class RarExtractor:
 
         if not isdir:
             try:
-                docdata = self.rar.read(ipath)
+                if rarinfo.file_size > 50 * 1024 * 1024:
+                    self.em.rclog("extractone: entry %s size %d too big" %
+                              (ipath, rarinfo.file_size))
+                    docdata = ""
+                else:
+                    docdata = self.rar.read(ipath)
                 ok = True
             except Exception, err:
                 self.em.rclog("extractone: failed: [%s]" % err)
diff --git a/src/filters/rcltar b/src/filters/rcltar
index 3008d304..cb2dec27 100755
--- a/src/filters/rcltar
+++ b/src/filters/rcltar
@@ -23,7 +23,15 @@ class TarExtractor:
     def extractone(self, ipath):
         docdata = ""
         try:
-            docdata = self.tar.extractfile(ipath).read()
+            info = self.tar.getmember(ipath)
+            if info.size > 50 * 1024 * 1024:
+                # skip
+                docdata = ""
+                self.em.rclog("extractone: entry %s size %d too big" %
+                              (ipath, info.size))
+                docdata = "" # raise TarError("Member too big")
+            else:
+                docdata = self.tar.extractfile(ipath).read()
             ok = True
         except Exception, err:
             ok = False
diff --git a/src/filters/rclzip b/src/filters/rclzip
index 3b29d8e1..0e8311dd 100755
--- a/src/filters/rclzip
+++ b/src/filters/rclzip
@@ -45,10 +45,18 @@ class ZipExtractor:
         #self.em.rclog("extractone: [%s]" % ipath)
         docdata = ""
         try:
-            docdata = self.zip.read(ipath)
+            info = self.zip.getinfo(ipath)
+            # There could be a 4GB Iso in the zip. We have to set a limit
+            if info.file_size > 50 * 1024*1024:
+                self.em.rclog("extractone: entry %s size %d too big" %
+                              (ipath, info.file_size))
+                docdata = ""
+                #raise BadZipfile()
+            else:
+                docdata = self.zip.read(ipath)
             ok = True
         except Exception, err:
-#            self.em.rclog("extractone: failed: [%s]" % err)
+            self.em.rclog("extractone: failed: [%s]" % err)
             ok = False
         iseof = rclexecm.RclExecM.noteof
         if self.currentindex >= len(self.zip.namelist()) -1: