]> git.ipfire.org Git - ipfire-2.x.git/blob - src/initscripts/system/firewall
firewall: Fixes bug12981 - add if loop to log or not log dropped hostile traffic
[ipfire-2.x.git] / src / initscripts / system / firewall
1 #!/bin/sh
2 ###############################################################################
3 # #
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2007-2022 IPFire Team <info@ipfire.org> #
6 # #
7 # This program is free software: you can redistribute it and/or modify #
8 # it under the terms of the GNU General Public License as published by #
9 # the Free Software Foundation, either version 3 of the License, or #
10 # (at your option) any later version. #
11 # #
12 # This program is distributed in the hope that it will be useful, #
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15 # GNU General Public License for more details. #
16 # #
17 # You should have received a copy of the GNU General Public License #
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. #
19 # #
20 ###############################################################################
21
22 . /etc/sysconfig/rc
23 . ${rc_functions}
24
25 eval $(/usr/local/bin/readhash /var/ipfire/ppp/settings)
26 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
27 eval $(/usr/local/bin/readhash /var/ipfire/optionsfw/settings)
28 if [ -r "/var/ipfire/tor/settings" ]; then
29 eval $(/usr/local/bin/readhash /var/ipfire/tor/settings)
30 fi
31 IFACE=`/bin/cat /var/ipfire/red/iface 2> /dev/null | /usr/bin/tr -d '\012'`
32 if [ -z $IFACE ]; then
33 IFACE="red0"
34 fi
35
36 if [ -f /var/ipfire/red/device ]; then
37 DEVICE=`/bin/cat /var/ipfire/red/device 2> /dev/null | /usr/bin/tr -d '\012'`
38 fi
39
40 NAT_MASK="0x0f000000"
41
42 IPS_REPEAT_MARK="0x80000000"
43 IPS_REPEAT_MASK="0x80000000"
44 IPS_BYPASS_MARK="0x40000000"
45 IPS_BYPASS_MASK="0x40000000"
46
47 IPSET_DB_DIR="/var/lib/location/ipset"
48
49 function iptables() {
50 /sbin/iptables --wait "$@"
51 }
52
53 iptables_init() {
54 # Flush all rules and delete all custom chains
55 iptables -F
56 iptables -t nat -F
57 iptables -t mangle -F
58 iptables -t raw -F
59 iptables -X
60 iptables -t nat -X
61 iptables -t mangle -X
62 iptables -t raw -X
63
64 # Set up policies
65 iptables -P INPUT DROP
66 iptables -P FORWARD DROP
67 iptables -P OUTPUT ACCEPT
68
69 # Enable TRACE logging to syslog
70 modprobe nf_log_ipv4
71 sysctl -q -w net.netfilter.nf_log.2=nf_log_ipv4
72
73 # IPS Bypass Chain which stores the BYPASS bit in connection tracking
74 iptables -N IPSBYPASS
75 iptables -A IPSBYPASS -j CONNMARK --save-mark --mask "$(( ~IPS_REPEAT_MASK & 0xffffffff ))"
76
77 # Jump into bypass chain when the BYPASS bit is set
78 for chain in INPUT FORWARD OUTPUT; do
79 iptables -A "${chain}" -m mark \
80 --mark "$(( IPS_REPEAT_MARK | IPS_BYPASS_MARK ))/$(( IPS_REPEAT_MASK | IPS_BYPASS_MASK ))" -j IPSBYPASS
81 done
82
83 # Empty LOG_DROP and LOG_REJECT chains
84 iptables -N LOG_DROP
85 iptables -A LOG_DROP -m limit --limit 10/second -j LOG
86 iptables -A LOG_DROP -j DROP
87 iptables -N LOG_REJECT
88 iptables -A LOG_REJECT -m limit --limit 10/second -j LOG
89 iptables -A LOG_REJECT -j REJECT
90
91 # This chain will log, then DROPs packets with certain bad combinations
92 # of flags might indicate a port-scan attempt (xmas, null, etc.)
93 iptables -N PSCAN
94 if [ "$DROPPORTSCAN" == "on" ]; then
95 iptables -A PSCAN -p tcp -m limit --limit 10/second -j LOG --log-prefix "DROP_TCP Scan " -m comment --comment "DROP_TCP PScan"
96 iptables -A PSCAN -p udp -m limit --limit 10/second -j LOG --log-prefix "DROP_UDP Scan " -m comment --comment "DROP_UDP PScan"
97 iptables -A PSCAN -p icmp -m limit --limit 10/second -j LOG --log-prefix "DROP_ICMP Scan " -m comment --comment "DROP_ICMP PScan"
98 iptables -A PSCAN -f -m limit --limit 10/second -j LOG --log-prefix "DROP_FRAG Scan " -m comment --comment "DROP_FRAG PScan"
99 fi
100 iptables -A PSCAN -j DROP -m comment --comment "DROP_PScan"
101
102 # New tcp packets without SYN set - could well be an obscure type of port scan
103 # that's not covered above, may just be a broken Windows machine
104 iptables -N NEWNOTSYN
105 if [ "$DROPNEWNOTSYN" == "on" ]; then
106 iptables -A NEWNOTSYN -m limit --limit 10/second -j LOG --log-prefix "DROP_NEWNOTSYN "
107 fi
108 iptables -A NEWNOTSYN -j DROP -m comment --comment "DROP_NEWNOTSYN"
109
110 # Log and subsequently drop spoofed packets or "martians", arriving from sources
111 # on interfaces where we don't expect them
112 iptables -N SPOOFED_MARTIAN
113 if [ "$DROPSPOOFEDMARTIAN" == "on" ]; then
114 iptables -A SPOOFED_MARTIAN -m limit --limit 10/second -j LOG --log-prefix "DROP_SPOOFED_MARTIAN "
115 fi
116 iptables -A SPOOFED_MARTIAN -j DROP -m comment --comment "DROP_SPOOFED_MARTIAN"
117
118 # Chain to contain all the rules relating to bad TCP flags
119 iptables -N BADTCP
120
121 # Don't check loopback
122 iptables -A BADTCP -i lo -j RETURN
123
124 # Disallow packets frequently used by port-scanners
125 # NMAP FIN/URG/PSH (XMAS scan)
126 iptables -A BADTCP -p tcp --tcp-flags ALL FIN,URG,PSH -j PSCAN
127 # SYN/RST/ACK/FIN/URG
128 iptables -A BADTCP -p tcp --tcp-flags ALL SYN,RST,ACK,FIN,URG -j PSCAN
129 # ALL/ALL
130 iptables -A BADTCP -p tcp --tcp-flags ALL ALL -j PSCAN
131 # FIN Stealth
132 iptables -A BADTCP -p tcp --tcp-flags ALL FIN -j PSCAN
133 # SYN/RST (also catches xmas variants that set SYN+RST+...)
134 iptables -A BADTCP -p tcp --tcp-flags SYN,RST SYN,RST -j PSCAN
135 # SYN/FIN (QueSO or nmap OS probe)
136 iptables -A BADTCP -p tcp --tcp-flags SYN,FIN SYN,FIN -j PSCAN
137 # Null
138 iptables -A BADTCP -p tcp --tcp-flags ALL NONE -j PSCAN
139 # NEW TCP without SYN
140 iptables -A BADTCP -p tcp ! --syn -m conntrack --ctstate NEW -j NEWNOTSYN
141
142 iptables -A INPUT -p tcp -j BADTCP
143 iptables -A FORWARD -p tcp -j BADTCP
144
145 # Connection tracking chains
146 iptables -N CTINVALID
147 if [ "$LOGDROPCTINVALID" == "on" ]; then
148 iptables -A CTINVALID -m limit --limit 10/second -j LOG --log-prefix "DROP_CTINVALID "
149 fi
150 iptables -A CTINVALID -j DROP -m comment --comment "DROP_CTINVALID"
151
152 iptables -N CONNTRACK
153 iptables -A CONNTRACK -m conntrack --ctstate ESTABLISHED -j ACCEPT
154 iptables -A CONNTRACK -m conntrack --ctstate INVALID -j CTINVALID
155 iptables -A CONNTRACK -p icmp -m conntrack --ctstate RELATED -j ACCEPT
156
157 # Restore any connection marks
158 iptables -t mangle -A PREROUTING -j CONNMARK --restore-mark
159
160 # Fix for braindead ISPs
161 iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
162
163 # CUSTOM chains, can be used by the users themselves
164 iptables -N CUSTOMINPUT
165 iptables -A INPUT -j CUSTOMINPUT
166 iptables -N CUSTOMFORWARD
167 iptables -A FORWARD -j CUSTOMFORWARD
168 iptables -N CUSTOMOUTPUT
169 iptables -A OUTPUT -j CUSTOMOUTPUT
170 iptables -t nat -N CUSTOMPREROUTING
171 iptables -t nat -A PREROUTING -j CUSTOMPREROUTING
172 iptables -t nat -N CUSTOMPOSTROUTING
173 iptables -t nat -A POSTROUTING -j CUSTOMPOSTROUTING
174
175 # Chains for networks known as being hostile, posing a technical threat to our users
176 # (i. e. listed at Spamhaus DROP et al.)
177 iptables -N HOSTILE
178 iptables -A INPUT -j HOSTILE
179 iptables -A FORWARD -j HOSTILE
180 iptables -A OUTPUT -j HOSTILE
181
182 iptables -N HOSTILE_DROP_IN
183 if [ "$LOGDROPHOSTILEIN" == "on" ]; then
184 iptables -A HOSTILE_DROP_IN -m limit --limit 10/second -j LOG --log-prefix "DROP_HOSTILE "
185 fi
186 iptables -A HOSTILE_DROP_IN -j DROP -m comment --comment "DROP_HOSTILE"
187
188 iptables -N HOSTILE_DROP_OUT
189 if [ "$LOGDROPHOSTILEOUT" == "on" ]; then
190 iptables -A HOSTILE_DROP_OUT -m limit --limit 10/second -j LOG --log-prefix "DROP_HOSTILE "
191 fi
192 iptables -A HOSTILE_DROP_OUT -j DROP -m comment --comment "DROP_HOSTILE"
193
194
195 # IP Address Blocklist chains
196 iptables -N BLOCKLISTIN
197 iptables -N BLOCKLISTOUT
198 iptables -A INPUT ! -p icmp -j BLOCKLISTIN
199 iptables -A FORWARD ! -p icmp -j BLOCKLISTIN
200 iptables -A FORWARD ! -p icmp -j BLOCKLISTOUT
201 iptables -A OUTPUT ! -p icmp -j BLOCKLISTOUT
202
203 # IPS (Guardian) chains
204 iptables -N GUARDIAN
205 iptables -A INPUT -j GUARDIAN
206 iptables -A FORWARD -j GUARDIAN
207
208 # Block non-established IPsec networks
209 iptables -N IPSECBLOCK
210 iptables -A FORWARD -m policy --dir out --pol none -j IPSECBLOCK
211 iptables -A OUTPUT -m policy --dir out --pol none -j IPSECBLOCK
212
213 # Block OpenVPN transfer networks
214 iptables -N OVPNBLOCK
215 iptables -A INPUT -i tun+ -j OVPNBLOCK
216 iptables -A FORWARD -i tun+ -j OVPNBLOCK
217 iptables -A FORWARD -o tun+ -j OVPNBLOCK
218
219 # IPS (Suricata) chains
220 iptables -N IPS_INPUT
221 iptables -N IPS_FORWARD
222 iptables -N IPS_OUTPUT
223
224 for chain in INPUT FORWARD OUTPUT; do
225 iptables -A "${chain}" -m mark --mark "0x0/$(( IPS_REPEAT_MASK | IPS_BYPASS_MASK ))" -j "IPS_${chain}"
226 done
227
228 # OpenVPN transfer network translation
229 iptables -t nat -N OVPNNAT
230 iptables -t nat -A POSTROUTING -j OVPNNAT
231
232 # IPTV chains for IGMPPROXY
233 iptables -N IPTVINPUT
234 iptables -A INPUT -j IPTVINPUT
235 iptables -N IPTVFORWARD
236 iptables -A FORWARD -j IPTVFORWARD
237
238 # Allow to ping the firewall.
239 iptables -N ICMPINPUT
240 iptables -A INPUT -j ICMPINPUT
241 iptables -A ICMPINPUT -p icmp --icmp-type 8 -j ACCEPT
242
243 # Accept everything on loopback
244 iptables -N LOOPBACK
245 iptables -A LOOPBACK -i lo -j ACCEPT
246 iptables -A LOOPBACK -o lo -j ACCEPT
247
248 # Filter all packets with loopback addresses on non-loopback interfaces (spoofed)
249 iptables -A LOOPBACK -s 127.0.0.0/8 -j SPOOFED_MARTIAN
250 iptables -A LOOPBACK -d 127.0.0.0/8 -j SPOOFED_MARTIAN
251
252 for i in INPUT FORWARD OUTPUT; do
253 iptables -A ${i} -j LOOPBACK
254 done
255
256 # Captive portal
257 iptables -N CAPTIVE_PORTAL
258 iptables -N CAPTIVE_PORTAL_CLIENTS
259 for i in INPUT FORWARD; do
260 iptables -A ${i} -j CAPTIVE_PORTAL
261 done
262
263 # Accept everything connected
264 for i in INPUT FORWARD OUTPUT; do
265 iptables -A ${i} -j CONNTRACK
266 done
267
268 # Allow DHCP
269 iptables -N DHCPINPUT
270 iptables -A DHCPINPUT -p udp --sport 68 --dport 67 -j ACCEPT
271 iptables -A DHCPINPUT -p tcp --sport 68 --dport 67 -j ACCEPT
272
273 iptables -N DHCPOUTPUT
274 iptables -A DHCPOUTPUT -p udp --sport 67 --dport 68 -j ACCEPT
275 iptables -A DHCPOUTPUT -p tcp --sport 67 --dport 68 -j ACCEPT
276
277 # Allow DHCP on GREEN
278 iptables -N DHCPGREENINPUT
279 iptables -N DHCPGREENOUTPUT
280 if [ -n "${GREEN_DEV}" ]; then
281 iptables -A INPUT -i "${GREEN_DEV}" -j DHCPGREENINPUT
282 iptables -A OUTPUT -o "${GREEN_DEV}" -j DHCPGREENOUTPUT
283 fi
284
285 # Allow DHCP on BLUE to be turned on/off
286 iptables -N DHCPBLUEINPUT
287 iptables -N DHCPBLUEOUTPUT
288 if [ -n "${BLUE_DEV}" ]; then
289 iptables -A INPUT -i "${BLUE_DEV}" -j DHCPBLUEINPUT
290 iptables -A OUTPUT -o "${BLUE_DEV}" -j DHCPBLUEOUTPUT
291 fi
292
293 # Tor (inbound)
294 iptables -N TOR_INPUT
295 iptables -A INPUT -j TOR_INPUT
296
297 # Location Block
298 iptables -N LOCATIONBLOCK
299 iptables -A INPUT -j LOCATIONBLOCK
300 iptables -A FORWARD -j LOCATIONBLOCK
301
302 # trafic from ipsecX/TUN/TAP interfaces, before "-i GREEN_DEV" accept everything
303 iptables -N IPSECINPUT
304 iptables -N IPSECFORWARD
305 iptables -N IPSECOUTPUT
306 iptables -A INPUT -j IPSECINPUT
307 iptables -A FORWARD -j IPSECFORWARD
308 iptables -A OUTPUT -j IPSECOUTPUT
309 iptables -t nat -N IPSECNAT
310 iptables -t nat -A POSTROUTING -j IPSECNAT
311
312 # localhost and ethernet.
313 # Always allow accessing the web GUI from GREEN.
314 iptables -N GUIINPUT
315 iptables -A INPUT -j GUIINPUT
316 if [ -n "${GREEN_DEV}" ]; then
317 iptables -A GUIINPUT -i "${GREEN_DEV}" -p tcp --dport 444 -j ACCEPT
318 fi
319
320 # WIRELESS chains
321 iptables -N WIRELESSINPUT
322 iptables -A INPUT -m conntrack --ctstate NEW -j WIRELESSINPUT
323 iptables -N WIRELESSFORWARD
324 iptables -A FORWARD -m conntrack --ctstate NEW -j WIRELESSFORWARD
325
326 # OpenVPN
327 iptables -N OVPNINPUT
328 iptables -A INPUT -j OVPNINPUT
329
330 # Tor (outbound)
331 iptables -N TOR_OUTPUT
332 iptables -A OUTPUT -j TOR_OUTPUT
333
334 # Jump into the actual firewall ruleset.
335 iptables -N INPUTFW
336 iptables -A INPUT -j INPUTFW
337
338 iptables -N OUTGOINGFW
339 iptables -A OUTPUT -j OUTGOINGFW
340
341 iptables -N FORWARDFW
342 iptables -A FORWARD -j FORWARDFW
343
344 # SNAT rules
345 iptables -t nat -N NAT_SOURCE
346 iptables -t nat -A POSTROUTING -j NAT_SOURCE
347
348 # Captive Portal
349 iptables -t nat -N CAPTIVE_PORTAL
350 iptables -t nat -A PREROUTING -j CAPTIVE_PORTAL
351
352 # Custom prerouting chains (for transparent proxy)
353 iptables -t nat -N SQUID
354 iptables -t nat -A PREROUTING -j SQUID
355
356 # DNAT rules
357 iptables -t nat -N NAT_DESTINATION
358 iptables -t nat -A PREROUTING -j NAT_DESTINATION
359 iptables -t nat -A OUTPUT -j NAT_DESTINATION
360
361 iptables -t mangle -N NAT_DESTINATION
362 iptables -t mangle -A PREROUTING -j NAT_DESTINATION
363
364 iptables -t nat -N NAT_DESTINATION_FIX
365 iptables -t nat -A POSTROUTING -j NAT_DESTINATION_FIX
366
367 if [ -n "${GREEN_ADDRESS}" ]; then
368 iptables -t nat -A NAT_DESTINATION_FIX \
369 -m mark --mark "0x01000000/${NAT_MASK}" -j SNAT --to-source "${GREEN_ADDRESS}"
370 fi
371
372 if [ -n "${BLUE_ADDRESS}" ]; then
373 iptables -t nat -A NAT_DESTINATION_FIX \
374 -m mark --mark "0x02000000/${NAT_MASK}" -j SNAT --to-source "${BLUE_ADDRESS}"
375 fi
376
377 if [ -n "${ORANGE_ADDRESS}" ]; then
378 iptables -t nat -A NAT_DESTINATION_FIX \
379 -m mark --mark "0x04000000/${NAT_MASK}" -j SNAT --to-source "${ORANGE_ADDRESS}"
380 fi
381
382 # RED chain, used for the red interface
383 iptables -N REDINPUT
384 iptables -A INPUT -j REDINPUT
385 iptables -N REDFORWARD
386 iptables -A FORWARD -j REDFORWARD
387 iptables -t nat -N REDNAT
388 iptables -t nat -A POSTROUTING -j REDNAT
389
390 # Populate IPsec chains
391 /usr/lib/firewall/ipsec-policy
392
393 # Apply OpenVPN firewall rules
394 /usr/local/bin/openvpnctrl --firewall-rules
395
396 # run wirelessctrl
397 /usr/local/bin/wirelessctrl
398
399 # run captivectrl
400 /usr/local/bin/captivectrl
401
402 # If a Tor relay is enabled apply firewall rules
403 if [ "${TOR_RELAY_ENABLED}" = "on" -a -n "${TOR_RELAY_PORT}" ]; then
404 /usr/local/bin/torctrl restart 1> /dev/null
405 fi
406
407 # POLICY CHAIN
408 iptables -N POLICYIN
409 iptables -A INPUT -j POLICYIN
410 iptables -N POLICYFWD
411 iptables -A FORWARD -j POLICYFWD
412 iptables -N POLICYOUT
413 iptables -A OUTPUT -j POLICYOUT
414
415 # Initialize firewall policies.
416 /usr/sbin/firewall-policy
417
418 # Install firewall rules for the red interface.
419 iptables_red_up
420
421 # If red has not been brought up yet, we will
422 # add the blocking rules for MASQUERADE
423 if [ ! -e "/var/ipfire/red/active" ]; then
424 iptables_red_down
425 fi
426 }
427
428 iptables_red_up() {
429 iptables -F REDINPUT
430 iptables -F REDFORWARD
431 iptables -t nat -F REDNAT
432
433 # Prohibit spoofing our own IP address on RED
434 if [ -f /var/ipfire/red/active ]; then
435 REDIP="$( cat /var/ipfire/red/local-ipaddress )";
436
437 if [ "$IFACE" != "" ]; then
438 iptables -A REDINPUT -s $REDIP -i $IFACE -j SPOOFED_MARTIAN
439 elif [ "$DEVICE" != "" ]; then
440 iptables -A REDINPUT -s $REDIP -i $DEVICE -j SPOOFED_MARTIAN
441 fi
442 fi
443
444 # PPTP over DHCP
445 if [ "$DEVICE" != "" -a "$TYPE" == "PPTP" -a "$METHOD" == "DHCP" ]; then
446 iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i $DEVICE -j ACCEPT
447 iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i $DEVICE -j ACCEPT
448 fi
449
450 if [ "$IFACE" != "" -a -f /var/ipfire/red/active ]; then
451 # DHCP
452 if [ "$RED_DEV" != "" -a "$RED_TYPE" == "DHCP" ]; then
453 iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i $IFACE -j ACCEPT
454 iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i $IFACE -j ACCEPT
455 fi
456 if [ "$METHOD" == "DHCP" -a "$PROTOCOL" == "RFC1483" ]; then
457 iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i $IFACE -j ACCEPT
458 iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i $IFACE -j ACCEPT
459 fi
460
461 # Outgoing masquerading (don't masqerade IPsec)
462 iptables -t nat -A REDNAT -m policy --pol ipsec --dir=out -o "${IFACE}" -j RETURN
463
464 if [ "${IFACE}" = "${GREEN_DEV}" ]; then
465 iptables -t nat -A REDNAT -i "${GREEN_DEV}" -o "${IFACE}" -j RETURN
466 fi
467
468 local NO_MASQ_NETWORKS
469
470 if [ "${MASQUERADE_GREEN}" = "off" ]; then
471 NO_MASQ_NETWORKS="${NO_MASQ_NETWORKS} ${GREEN_NETADDRESS}/${GREEN_NETMASK}"
472 fi
473
474 if [ "${MASQUERADE_BLUE}" = "off" ]; then
475 NO_MASQ_NETWORKS="${NO_MASQ_NETWORKS} ${BLUE_NETADDRESS}/${BLUE_NETMASK}"
476 fi
477
478 if [ "${MASQUERADE_ORANGE}" = "off" ]; then
479 NO_MASQ_NETWORKS="${NO_MASQ_NETWORKS} ${ORANGE_NETADDRESS}/${ORANGE_NETMASK}"
480 fi
481
482 local network
483 for network in ${NO_MASQ_NETWORKS}; do
484 iptables -t nat -A REDNAT -s "${network}" -o "${IFACE}" -j RETURN
485 done
486
487 # Masquerade everything else
488 iptables -t nat -A REDNAT -o $IFACE -j MASQUERADE
489 fi
490
491 # Reload all rules.
492 /usr/local/bin/firewallctrl
493 }
494
495 iptables_red_down() {
496 # Prohibit packets to reach the masquerading rule
497 # while the WAN interface is down - this is required to
498 # circumvent udp related NAT issues
499 # http://forum.ipfire.org/index.php?topic=11127.0
500 if [ -n "${IFACE}" ]; then
501 iptables -F REDFORWARD
502 iptables -A REDFORWARD -o "${IFACE}" -j DROP
503 fi
504
505 # Reload all rules.
506 /usr/local/bin/firewallctrl
507 }
508
509 # See how we were called.
510 case "$1" in
511 start)
512 boot_mesg "Setting up firewall"
513 iptables_init
514 evaluate_retval
515 ;;
516 reload|up)
517 boot_mesg "Reloading firewall"
518 iptables_red_up
519 evaluate_retval
520 ;;
521 down)
522 boot_mesg "Disabling firewall access to RED"
523 iptables_red_down
524 evaluate_retval
525 ;;
526 restart)
527 $0 start
528 ;;
529 *)
530 echo "Usage: $0 {start|reload|restart}"
531 exit 1
532 ;;
533 esac
534
535 exit 0