#!/bin/sh # # $FreeBSD: src/etc/rc.d/netoptions,v 1.144.8.1 2009/04/15 03:14:26 kensmith Exp $ # # PROVIDE: netoptions # REQUIRE: FILESYSTEMS # KEYWORD: nojail . /etc/rc.subr load_rc_config 'XXX' echo -n 'Additional IP options:' case ${log_in_vain} in [Nn][Oo] | '') log_in_vain=0 ;; [Yy][Ee][Ss]) log_in_vain=1 ;; [0-9]*) ;; *) echo " invalid log_in_vain setting: ${log_in_vain}" log_in_vain=0 ;; esac [ "${log_in_vain}" -ne 0 ] && ( echo -n " log_in_vain=${log_in_vain}" sysctl net.inet.tcp.log_in_vain="${log_in_vain}" >/dev/null sysctl net.inet.udp.log_in_vain="${log_in_vain}" >/dev/null ) case ${tcp_extensions} in [Yy][Ee][Ss] | '') ;; *) echo -n ' tcp extensions=NO' sysctl net.inet.tcp.rfc1323=0 >/dev/null ;; esac case ${tcp_keepalive} in [Nn][Oo]) echo -n ' TCP keepalive=NO' sysctl net.inet.tcp.always_keepalive=0 >/dev/null ;; esac case ${tcp_drop_synfin} in [Yy][Ee][Ss]) echo -n ' drop SYN+FIN packets=YES' sysctl net.inet.tcp.drop_synfin=1 >/dev/null ;; esac case ${ip_portrange_first} in [Nn][Oo] | '') ;; *) echo -n " ip_portrange_first=$ip_portrange_first" sysctl net.inet.ip.portrange.first=$ip_portrange_first >/dev/null ;; esac case ${ip_portrange_last} in [Nn][Oo] | '') ;; *) echo -n " ip_portrange_last=$ip_portrange_last" sysctl net.inet.ip.portrange.last=$ip_portrange_last >/dev/null ;; esac echo '.'