Optimization: files, that are not resumed, are checksummed immediately
during the online download, skipping @file{.nock}-intermediate step.
+@item
+Ability to store encrypted packet's header in @file{.hdr} file, close to
+the packet itself. That can greatly increase performance of packets
+listing on filesystems with big block's size.
+
@end itemize
@node Release 6.0.0