.PP
You can obtain
.B nfacct(8)
-from http://www.netfilter.org or, alternatively, from the git.netfilter.org
+from https://www.netfilter.org or, alternatively, from the git.netfilter.org
repository.
other errors cause an exit code of 1.
.SH BUGS
Bugs? What's this? ;-)
-Well, you might want to have a look at http://bugzilla.netfilter.org/
+Well, you might want to have a look at https://bugzilla.netfilter.org/
\fBiptables\fP will exit immediately with an error code of 111 if it finds
that it was called as a setuid-to-root program.
iptables cannot be used safely in this manner because it trusts
and the netfilter-hacking-HOWTO details the netfilter internals.
.br
See
-.BR "http://www.netfilter.org/" .
+.BR "https://www.netfilter.org/" .
.SH AUTHORS
Rusty Russell originally wrote iptables, in early consultation with Michael
Neuling.