% riferimenti http://www.rcpt.to/lsfcc/lsf.html
% Documentation/networking/filter.txt
+% TODO documentare SO_MARK, introdotta nel 2.6.25, richiede CAP_NET_ADMIN
+%A userspace program may wish to set the mark for each packets its send
+%without using the netfilter MARK target. Changing the mark can be used
+%for mark based routing without netfilter or for packet filtering.
\end{basedescript}