diff options
| -rw-r--r-- | sys/netinet6/in6.h | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/sys/netinet6/in6.h b/sys/netinet6/in6.h index d5c0b23..4df2b87 100644 --- a/sys/netinet6/in6.h +++ b/sys/netinet6/in6.h @@ -77,31 +77,9 @@ #define __KAME_VERSION "FreeBSD" /* - * Local port number conventions: - * - * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), - * unless a kernel is compiled with IPNOPRIVPORTS defined. - * - * When a user does a bind(2) or connect(2) with a port number of zero, - * a non-conflicting local port address is chosen. - * - * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although - * that is settable by sysctl(3); net.inet.ip.anonportmin and - * net.inet.ip.anonportmax respectively. - * - * A user may set the IPPROTO_IP option IP_PORTRANGE to change this - * default assignment range. - * - * The value IP_PORTRANGE_DEFAULT causes the default behavior. - * - * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, - * and exists only for FreeBSD compatibility purposes. - * - * The value IP_PORTRANGE_LOW changes the range to the "low" are - * that is (by convention) restricted to privileged processes. - * This convention is based on "vouchsafe" principles only. - * It is only secure if you trust the remote host to restrict these ports. - * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. + * IPv6 port allocation rules should mirror the IPv4 rules and are controlled + * by the the net.inet.ip.portrange sysctl tree. The following defines exist + * for compatibility with userland applications that need them. */ #if __BSD_VISIBLE #define IPV6PORT_RESERVED 1024 |
