3 # network Bring up/down networking
5 # chkconfig: 2345 10 90
6 # description: Activates/Deactivates all network interfaces configured to \
11 # $Id: network,v 1.35 2000/08/28 15:35:48 zagrodzki Exp $
14 NLS_DOMAIN="rc-scripts"
16 # Source function library.
17 . /etc/rc.d/init.d/functions
18 . /etc/sysconfig/network-scripts/.functions
20 [ ! -f /etc/sysconfig/network ] && exit 0
22 . /etc/sysconfig/network
24 # Check that networking is up.
25 is_no "${NETWORKING}" && exit 0
27 [ -x /sbin/ip ] || exit 0
30 # initialize networking:
31 # - check IPv4, IPv6, IPX can be handled by system
32 # - setup default IPv{4,6} interfaces policy like:
34 # - spoofig protection,
35 # - icmp echo ignore broadcasts,
36 # - setup lo interface
39 # Set UP loopback interface
42 # Modprobe needed devices
45 # Spoofing protection && dynamic IP && port range
47 ipv4_dynamic_ip_patch on
48 ipv4_local_port_range on
58 if is_yes "$IPX"; then
59 if [ ! -z $IPXAUTOPRIMARY ] ; then
60 /usr/bin/ipx_configure --auto_primary=$IPXAUTOPRIMARY
62 if [ ! -z $IPXAUTOFRAME ] ; then
63 /usr/bin/ipx_configure --auto_interface=$IPXAUTOFRAME
65 if [ ! -z "$IPXINTERNALNETNUM" -a "$IPXINTERNALNETNUM" != "0" ]; then
66 /usr/bin/ipx_internal_net add $IPXINTERNALNETNUM $IPXINTERNALNODENUM
73 # Set static ARP table
81 # deinitialize networking
82 # - down lo interface.
90 # Shut down rdisc daemon
93 # Spoofing protection && dynamic IP && port range
94 ipv4_anti_spoofing off
95 ipv4_dynamic_ip_patch off
96 ipv4_local_port_range off
101 # Set DOWN loopback interface
110 proc_net ipv4/ip_forward $TODO 1 0 IPV4_FORWARDING "IPv4 forwarding"
112 if is_yes "$IPV6_NETWORKING"; then
113 proc_net ipv6/conf/all/forwarding $TODO 1 0 IPV6_FORWARDING "IPv6 forwarding"
116 proc_net ipv4/conf/all/accept_redirects $TODO 1 0 IPV4_ACCEPT_ICMP_REDIR ""
117 proc_net ipv4/conf/all/accept_source_route $TODO 1 1 IPV4_ACCEPT_SOURCE_ROUTE ""
118 proc_net ipv4/conf/all/log_martians $TODO 1 0 IPV4_LOG_MARTIANS ""
119 proc_net ipv4/conf/all/mc_forwarding $TODO 1 0 IPV4_MULTICAST ""
120 proc_net ipv4/conf/all/proxy_arp $TODO 1 0 IPV4_PROXY_ARP ""
121 proc_net ipv4/conf/all/secure_redirects $TODO 1 1 IPV4_ACCEPT_ICMP_REDIR_GATE ""
122 proc_net ipv4/conf/all/send_redirects $TODO 1 1 IPV4_SEND_ICMP_REDIR ""
123 proc_net ipv4/icmp_echo_ignore_all $TODO 1 0 IPV4_IGN_ALL_ICMP ""
124 proc_net ipv4/icmp_echo_ignore_broadcasts $TODO 1 1 IPV4_IGN_CAST_ICMP ""
125 proc_net ipv4/ip_no_pmtu_disc $TODO 1 0 IPV4_MTU_DISCOVERY ""
126 proc_net ipv4/ip_masq_debug $TODO 1 0 IPV4_MASQ_DEBUGGING ""
127 proc_net ipv4/tcp_retrans_collapse $TODO 0 1 IPV4_RETRANS_COLLAPSE ""
128 proc_net ipv4/tcp_sack $TODO 0 1 IPV4_NO_SELECT_ACK ""
129 proc_net ipv4/tcp_timestamps $TODO 0 1 IPV4_NO_TIMESTAMPS ""
130 proc_net ipv4/tcp_stdurg $TODO 1 0 IPV4_RFC793 ""
131 proc_net ipv4/tcp_syncookies $TODO 1 0 IPV4_SYN_COOKIES ""
132 proc_net ipv4/tcp_window_scaling $TODO 1 0 IPV4_NO_WINDOW_SCALING ""
135 # find all the interfaces besides loopback.
136 # ignore aliases, alternative configurations, and editor backup files
138 interfaces="`(ls /etc/sysconfig/interfaces/ifcfg* | \
139 egrep -v '(ifcfg-lo|:)' | egrep 'ifcfg-[a-z0-9]+$' | \
140 sed 's!^/etc/sysconfig/interfaces/ifcfg-!!g') 2> /dev/null`"
142 interfaces_boot="`(alias xx="ls /etc/sysconfig/interfaces/ifcfg* |\
143 egrep -v '(ifcfg-lo|ifcfg-sit|:)' | egrep 'ifcfg-[a-z0-9]+$'" ; \
144 for i in \`xx\`; do ONBOOT=""; . $i; if is_yes "$ONBOOT"; then \
145 echo $i; fi; done | sed 's!^/etc/sysconfig/interfaces/ifcfg-!!g') 2> /dev/null`"
147 interfaces_sit_boot="`(alias xx="ls /etc/sysconfig/interfaces/ifcfg-sit* | \
148 egrep 'ifcfg-[a-z0-9]+$'"; for i in \`xx\`; do ONBOOT=""; . $i; \
149 if is_yes "$ONBOOT"; then echo $i; fi; done | \
150 sed 's!^/etc/sysconfig/interfaces/ifcfg-!!g') 2> /dev/null`"
152 tunnels="`(alias xx="ls /etc/sysconfig/interfaces/tnlcfg-*"; \
153 for i in \`xx\`; do ONBOOT=""; . $i; if is_yes "$ONBOOT"; then echo $i; \
154 fi; done | sed 's!^/etc/sysconfig/interfaces/tnlcfg-!!g') 2> /dev/null`"
156 # See how we were called.
161 for i in $interfaces_boot $interfaces_sit_boot ; do
165 for i in `find_ldap_interfaces` ; do
169 for i in $tunnels; do
171 /sbin/ifup tnlcfg-$i boot
176 touch /var/lock/subsys/network
179 for i in $tunnels; do
180 /sbin/ifdown tnlcfg-$i boot
181 /sbin/tnldown $i boot
184 for i in `find_ldap_interfaces` ; do
188 for i in $interfaces_sit_boot $interfaces_boot ; do
194 rm -f /var/lock/subsys/network
197 nls "Configured devices:"
198 echo "lo $interfaces"
199 nls "Configured tunnels:"
202 nls "Currently active devices and tunnels:"
203 /sbin/ip link show | egrep '^[^ ].*' | sed 's/[0-9]*: \(.*\):.*/\1/' | \
211 echo "Usage: $0 {start|stop|restart|status}"