]>
Commit | Line | Data |
---|---|---|
3a1019f6 MT |
1 | #!/bin/sh |
2 | ||
0f5c5ce7 MT |
3 | . /etc/sysconfig/rc |
4 | . ${rc_functions} | |
5 | ||
3a1019f6 MT |
6 | eval $(/usr/local/bin/readhash /var/ipfire/ppp/settings) |
7 | eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings) | |
fe0cd647 | 8 | eval $(/usr/local/bin/readhash /var/ipfire/optionsfw/settings) |
3a1019f6 MT |
9 | IFACE=`/bin/cat /var/ipfire/red/iface 2> /dev/null | /usr/bin/tr -d '\012'` |
10 | ||
11 | if [ -f /var/ipfire/red/device ]; then | |
12 | DEVICE=`/bin/cat /var/ipfire/red/device 2> /dev/null | /usr/bin/tr -d '\012'` | |
13 | fi | |
14 | ||
c581b670 MT |
15 | function iptables() { |
16 | /sbin/iptables --wait "$@" | |
17 | } | |
18 | ||
3a1019f6 MT |
19 | iptables_init() { |
20 | # Flush all rules and delete all custom chains | |
c581b670 MT |
21 | iptables -F |
22 | iptables -t nat -F | |
23 | iptables -t mangle -F | |
24 | iptables -X | |
25 | iptables -t nat -X | |
26 | iptables -t mangle -X | |
3a1019f6 MT |
27 | |
28 | # Set up policies | |
c581b670 MT |
29 | iptables -P INPUT DROP |
30 | iptables -P FORWARD DROP | |
31 | iptables -P OUTPUT ACCEPT | |
3a1019f6 MT |
32 | |
33 | # Empty LOG_DROP and LOG_REJECT chains | |
c581b670 MT |
34 | iptables -N LOG_DROP |
35 | iptables -A LOG_DROP -m limit --limit 10/minute -j LOG | |
36 | iptables -A LOG_DROP -j DROP | |
37 | iptables -N LOG_REJECT | |
38 | iptables -A LOG_REJECT -m limit --limit 10/minute -j LOG | |
39 | iptables -A LOG_REJECT -j REJECT | |
3a1019f6 MT |
40 | |
41 | # This chain will log, then DROPs packets with certain bad combinations | |
42 | # of flags might indicate a port-scan attempt (xmas, null, etc) | |
c581b670 | 43 | iptables -N PSCAN |
5595bc03 | 44 | if [ "$DROPPORTSCAN" == "on" ]; then |
c581b670 MT |
45 | iptables -A PSCAN -p tcp -m limit --limit 10/minute -j LOG --log-prefix "DROP_TCP Scan " -m comment --comment "DROP_TCP PScan" |
46 | iptables -A PSCAN -p udp -m limit --limit 10/minute -j LOG --log-prefix "DROP_UDP Scan " -m comment --comment "DROP_UDP PScan" | |
47 | iptables -A PSCAN -p icmp -m limit --limit 10/minute -j LOG --log-prefix "DROP_ICMP Scan " -m comment --comment "DROP_ICMP PScan" | |
48 | iptables -A PSCAN -f -m limit --limit 10/minute -j LOG --log-prefix "DROP_FRAG Scan " -m comment --comment "DROP_FRAG PScan" | |
5595bc03 | 49 | fi |
c581b670 | 50 | iptables -A PSCAN -j DROP -m comment --comment "DROP_PScan" |
3a1019f6 MT |
51 | |
52 | # New tcp packets without SYN set - could well be an obscure type of port scan | |
53 | # that's not covered above, may just be a broken windows machine | |
c581b670 | 54 | iptables -N NEWNOTSYN |
5595bc03 | 55 | if [ "$DROPNEWNOTSYN" == "on" ]; then |
c581b670 | 56 | iptables -A NEWNOTSYN -m limit --limit 10/minute -j LOG --log-prefix "DROP_NEWNOTSYN " |
5595bc03 | 57 | fi |
c581b670 | 58 | iptables -A NEWNOTSYN -j DROP -m comment --comment "DROP_NEWNOTSYN" |
3a1019f6 MT |
59 | |
60 | # Chain to contain all the rules relating to bad TCP flags | |
c581b670 | 61 | iptables -N BADTCP |
3a1019f6 | 62 | |
c581b670 MT |
63 | # Don't check loopback |
64 | iptables -A BADTCP -i lo -j RETURN | |
d8158ca6 | 65 | |
3a1019f6 | 66 | # Disallow packets frequently used by port-scanners |
dccbf1bf AF |
67 | # NMAP FIN/URG/PSH (XMAS scan) |
68 | iptables -A BADTCP -p tcp --tcp-flags ALL FIN,URG,PSH -j PSCAN | |
69 | # SYN/RST/ACK/FIN/URG | |
70 | iptables -A BADTCP -p tcp --tcp-flags ALL SYN,RST,ACK,FIN,URG -j PSCAN | |
71 | # ALL/ALL | |
72 | iptables -A BADTCP -p tcp --tcp-flags ALL ALL -j PSCAN | |
73 | # FIN Stealth | |
c581b670 | 74 | iptables -A BADTCP -p tcp --tcp-flags ALL FIN -j PSCAN |
3a1019f6 | 75 | # SYN/RST (also catches xmas variants that set SYN+RST+...) |
c581b670 | 76 | iptables -A BADTCP -p tcp --tcp-flags SYN,RST SYN,RST -j PSCAN |
3a1019f6 | 77 | # SYN/FIN (QueSO or nmap OS probe) |
c581b670 | 78 | iptables -A BADTCP -p tcp --tcp-flags SYN,FIN SYN,FIN -j PSCAN |
dccbf1bf AF |
79 | # Null |
80 | iptables -A BADTCP -p tcp --tcp-flags ALL NONE -j PSCAN | |
3a1019f6 | 81 | # NEW TCP without SYN |
c581b670 | 82 | iptables -A BADTCP -p tcp ! --syn -m conntrack --ctstate NEW -j NEWNOTSYN |
b85d2a98 | 83 | |
c581b670 MT |
84 | iptables -A INPUT -p tcp -j BADTCP |
85 | iptables -A FORWARD -p tcp -j BADTCP | |
c0359d6d | 86 | |
b85d2a98 | 87 | # Connection tracking chain |
c581b670 MT |
88 | iptables -N CONNTRACK |
89 | iptables -A CONNTRACK -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT | |
dccbf1bf | 90 | iptables -A CONNTRACK -m conntrack --ctstate INVALID -j DROP |
3a1019f6 | 91 | |
3a1019f6 | 92 | # Fix for braindead ISP's |
c581b670 | 93 | iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu |
3a1019f6 MT |
94 | |
95 | # CUSTOM chains, can be used by the users themselves | |
c581b670 MT |
96 | iptables -N CUSTOMINPUT |
97 | iptables -A INPUT -j CUSTOMINPUT | |
98 | iptables -N CUSTOMFORWARD | |
99 | iptables -A FORWARD -j CUSTOMFORWARD | |
100 | iptables -N CUSTOMOUTPUT | |
101 | iptables -A OUTPUT -j CUSTOMOUTPUT | |
102 | iptables -t nat -N CUSTOMPREROUTING | |
103 | iptables -t nat -A PREROUTING -j CUSTOMPREROUTING | |
104 | iptables -t nat -N CUSTOMPOSTROUTING | |
105 | iptables -t nat -A POSTROUTING -j CUSTOMPOSTROUTING | |
3a1019f6 | 106 | |
2a5b19c5 AF |
107 | # P2PBLOCK |
108 | iptables -N P2PBLOCK | |
109 | iptables -A INPUT -j P2PBLOCK | |
110 | iptables -A FORWARD -j P2PBLOCK | |
111 | iptables -A OUTPUT -j P2PBLOCK | |
112 | ||
815eaff4 | 113 | # Guardian (IPS) chains |
c581b670 MT |
114 | iptables -N GUARDIAN |
115 | iptables -A INPUT -j GUARDIAN | |
116 | iptables -A FORWARD -j GUARDIAN | |
815eaff4 | 117 | |
80fbd899 MT |
118 | # Block non-established IPsec networks |
119 | iptables -N IPSECBLOCK | |
120 | iptables -A FORWARD -m policy --dir out --pol none -j IPSECBLOCK | |
121 | iptables -A OUTPUT -m policy --dir out --pol none -j IPSECBLOCK | |
122 | ||
1e555330 | 123 | # Block OpenVPN transfer networks |
c581b670 | 124 | iptables -N OVPNBLOCK |
a0a5c14f | 125 | iptables -A INPUT -i tun+ -j OVPNBLOCK |
a0a5c14f MT |
126 | iptables -A FORWARD -i tun+ -j OVPNBLOCK |
127 | iptables -A FORWARD -o tun+ -j OVPNBLOCK | |
1e555330 | 128 | |
51ab1de1 | 129 | # OpenVPN transfer network translation |
c581b670 MT |
130 | iptables -t nat -N OVPNNAT |
131 | iptables -t nat -A POSTROUTING -j OVPNNAT | |
51ab1de1 | 132 | |
daa1ceba | 133 | # IPTV chains for IGMPPROXY |
c581b670 MT |
134 | iptables -N IPTVINPUT |
135 | iptables -A INPUT -j IPTVINPUT | |
136 | iptables -N IPTVFORWARD | |
137 | iptables -A FORWARD -j IPTVFORWARD | |
daa1ceba | 138 | |
8e59a602 MT |
139 | # Allow to ping the firewall. |
140 | iptables -N ICMPINPUT | |
141 | iptables -A INPUT -j ICMPINPUT | |
142 | iptables -A ICMPINPUT -p icmp --icmp-type 8 -j ACCEPT | |
3a1019f6 | 143 | |
afc611d4 | 144 | # Accept everything on loopback |
c581b670 MT |
145 | iptables -N LOOPBACK |
146 | iptables -A LOOPBACK -i lo -j ACCEPT | |
147 | iptables -A LOOPBACK -o lo -j ACCEPT | |
afc611d4 | 148 | |
3b9a23ce | 149 | # Filter all packets with loopback addresses on non-loopback interfaces. |
c581b670 MT |
150 | iptables -A LOOPBACK -s 127.0.0.0/8 -j DROP |
151 | iptables -A LOOPBACK -d 127.0.0.0/8 -j DROP | |
3b9a23ce MT |
152 | |
153 | for i in INPUT FORWARD OUTPUT; do | |
c581b670 | 154 | iptables -A ${i} -j LOOPBACK |
3b9a23ce | 155 | done |
afc611d4 | 156 | |
3a1019f6 | 157 | # Accept everything connected |
b85d2a98 | 158 | for i in INPUT FORWARD OUTPUT; do |
c581b670 | 159 | iptables -A ${i} -j CONNTRACK |
b85d2a98 MT |
160 | done |
161 | ||
8490e496 MT |
162 | # Allow DHCP |
163 | iptables -N DHCPINPUT | |
164 | iptables -A DHCPINPUT -p udp --sport 68 --dport 67 -j ACCEPT | |
165 | iptables -A DHCPINPUT -p tcp --sport 68 --dport 67 -j ACCEPT | |
166 | ||
167 | iptables -N DHCPOUTPUT | |
168 | iptables -A DHCPOUTPUT -p udp --sport 67 --dport 68 -j ACCEPT | |
169 | iptables -A DHCPOUTPUT -p tcp --sport 67 --dport 68 -j ACCEPT | |
170 | ||
171 | # Allow DHCP on GREEN | |
172 | iptables -N DHCPGREENINPUT | |
173 | iptables -N DHCPGREENOUTPUT | |
174 | if [ -n "${GREEN_DEV}" ]; then | |
175 | iptables -A INPUT -i "${GREEN_DEV}" -j DHCPGREENINPUT | |
176 | iptables -A OUTPUT -o "${GREEN_DEV}" -j DHCPGREENOUTPUT | |
177 | fi | |
178 | ||
179 | # allow DHCP on BLUE to be turned on/off | |
180 | iptables -N DHCPBLUEINPUT | |
181 | iptables -N DHCPBLUEOUTPUT | |
182 | if [ -n "${BLUE_DEV}" ]; then | |
183 | iptables -A INPUT -i "${BLUE_DEV}" -j DHCPBLUEINPUT | |
184 | iptables -A OUTPUT -o "${BLUE_DEV}" -j DHCPBLUEOUTPUT | |
185 | fi | |
186 | ||
cab02e2a SS |
187 | # GeoIP block |
188 | iptables -N GEOIPBLOCK | |
189 | iptables -A INPUT -j GEOIPBLOCK | |
190 | iptables -A FORWARD -j GEOIPBLOCK | |
191 | ||
5fd30232 | 192 | # trafic from ipsecX/TUN/TAP interfaces, before "-i GREEN_DEV" accept everything |
c581b670 MT |
193 | iptables -N IPSECINPUT |
194 | iptables -N IPSECFORWARD | |
195 | iptables -N IPSECOUTPUT | |
196 | iptables -A INPUT -j IPSECINPUT | |
197 | iptables -A FORWARD -j IPSECFORWARD | |
198 | iptables -A OUTPUT -j IPSECOUTPUT | |
199 | iptables -t nat -N IPSECNAT | |
200 | iptables -t nat -A POSTROUTING -j IPSECNAT | |
b68e5c14 | 201 | |
3a1019f6 | 202 | # localhost and ethernet. |
c0e0848f MT |
203 | # Always allow accessing the web GUI from GREEN. |
204 | iptables -N GUIINPUT | |
205 | iptables -A INPUT -j GUIINPUT | |
206 | iptables -A GUIINPUT -i "${GREEN_DEV}" -p tcp --dport 444 -j ACCEPT | |
8490e496 | 207 | |
81393987 | 208 | # WIRELESS chains |
c581b670 MT |
209 | iptables -N WIRELESSINPUT |
210 | iptables -A INPUT -m conntrack --ctstate NEW -j WIRELESSINPUT | |
211 | iptables -N WIRELESSFORWARD | |
212 | iptables -A FORWARD -m conntrack --ctstate NEW -j WIRELESSFORWARD | |
987b75bc | 213 | |
ab4876ad | 214 | # OpenVPN |
c581b670 MT |
215 | iptables -N OVPNINPUT |
216 | iptables -A INPUT -j OVPNINPUT | |
ab4876ad | 217 | |
987b75bc | 218 | # TOR |
c581b670 MT |
219 | iptables -N TOR_INPUT |
220 | iptables -A INPUT -j TOR_INPUT | |
12dcfbbd | 221 | |
d5f1422d | 222 | # Jump into the actual firewall ruleset. |
c581b670 MT |
223 | iptables -N INPUTFW |
224 | iptables -A INPUT -j INPUTFW | |
d5f1422d | 225 | |
c581b670 MT |
226 | iptables -N OUTGOINGFW |
227 | iptables -A OUTPUT -j OUTGOINGFW | |
d5f1422d | 228 | |
c581b670 MT |
229 | iptables -N FORWARDFW |
230 | iptables -A FORWARD -j FORWARDFW | |
d5f1422d | 231 | |
fac38614 | 232 | # SNAT rules |
c581b670 MT |
233 | iptables -t nat -N NAT_SOURCE |
234 | iptables -t nat -A POSTROUTING -j NAT_SOURCE | |
fac38614 | 235 | |
bb12dd7b | 236 | # Custom prerouting chains (for transparent proxy) |
c581b670 MT |
237 | iptables -t nat -N SQUID |
238 | iptables -t nat -A PREROUTING -j SQUID | |
bb12dd7b MT |
239 | |
240 | # DNAT rules | |
c581b670 MT |
241 | iptables -t nat -N NAT_DESTINATION |
242 | iptables -t nat -A PREROUTING -j NAT_DESTINATION | |
99f11a16 | 243 | iptables -t nat -A OUTPUT -j NAT_DESTINATION |
bb12dd7b | 244 | |
6e87f0aa MT |
245 | iptables -t mangle -N NAT_DESTINATION |
246 | iptables -t mangle -A PREROUTING -j NAT_DESTINATION | |
247 | ||
248 | iptables -t nat -N NAT_DESTINATION_FIX | |
249 | iptables -t nat -A POSTROUTING -j NAT_DESTINATION_FIX | |
250 | ||
251 | iptables -t nat -A NAT_DESTINATION_FIX \ | |
252 | -m mark --mark 1 -j SNAT --to-source "${GREEN_ADDRESS}" | |
253 | ||
254 | if [ -n "${BLUE_ADDRESS}" ]; then | |
255 | iptables -t nat -A NAT_DESTINATION_FIX \ | |
256 | -m mark --mark 2 -j SNAT --to-source "${BLUE_ADDRESS}" | |
257 | fi | |
258 | ||
259 | if [ -n "${ORANGE_ADDRESS}" ]; then | |
260 | iptables -t nat -A NAT_DESTINATION_FIX \ | |
261 | -m mark --mark 3 -j SNAT --to-source "${ORANGE_ADDRESS}" | |
262 | fi | |
263 | ||
7e7495b3 | 264 | # upnp chain for our upnp daemon |
c581b670 MT |
265 | iptables -t nat -N UPNPFW |
266 | iptables -t nat -A PREROUTING -j UPNPFW | |
267 | iptables -N UPNPFW | |
268 | iptables -A FORWARD -m conntrack --ctstate NEW -j UPNPFW | |
3a1019f6 | 269 | |
6e87f0aa MT |
270 | # RED chain, used for the red interface |
271 | iptables -N REDINPUT | |
272 | iptables -A INPUT -j REDINPUT | |
273 | iptables -N REDFORWARD | |
274 | iptables -A FORWARD -j REDFORWARD | |
275 | iptables -t nat -N REDNAT | |
276 | iptables -t nat -A POSTROUTING -j REDNAT | |
277 | ||
80fbd899 MT |
278 | # Populate IPsec block chain |
279 | /usr/lib/firewall/ipsec-block | |
280 | ||
ab4876ad MT |
281 | # Apply OpenVPN firewall rules |
282 | /usr/local/bin/openvpnctrl --firewall-rules | |
ff4770c7 AM |
283 | |
284 | # run wirelessctrl | |
285 | /usr/local/bin/wirelessctrl | |
286 | ||
c581b670 MT |
287 | # POLICY CHAIN |
288 | iptables -N POLICYIN | |
289 | iptables -A INPUT -j POLICYIN | |
290 | iptables -N POLICYFWD | |
291 | iptables -A FORWARD -j POLICYFWD | |
292 | iptables -N POLICYOUT | |
293 | iptables -A OUTPUT -j POLICYOUT | |
b324de14 | 294 | |
bb383423 | 295 | # Initialize firewall policies. |
5d7faa45 | 296 | /usr/sbin/firewall-policy |
690b0bd7 | 297 | |
bb383423 | 298 | # Install firewall rules for the red interface. |
4b12aa41 TE |
299 | iptables_red_up |
300 | ||
301 | # If red has not been brought up yet, we will | |
302 | # add the blocking rules for MASQUERADE | |
303 | if [ ! -e "/var/ipfire/red/active" ]; then | |
304 | iptables_red_down | |
305 | fi | |
ff4770c7 | 306 | } |
3a1019f6 | 307 | |
4b12aa41 | 308 | iptables_red_up() { |
c581b670 MT |
309 | iptables -F REDINPUT |
310 | iptables -F REDFORWARD | |
311 | iptables -t nat -F REDNAT | |
3a1019f6 | 312 | |
ff4770c7 AM |
313 | # PPPoE / PPTP Device |
314 | if [ "$IFACE" != "" ]; then | |
315 | # PPPoE / PPTP | |
316 | if [ "$DEVICE" != "" ]; then | |
c581b670 | 317 | iptables -A REDINPUT -i $DEVICE -j ACCEPT |
ff4770c7 AM |
318 | fi |
319 | if [ "$RED_TYPE" == "PPTP" -o "$RED_TYPE" == "PPPOE" ]; then | |
320 | if [ "$RED_DEV" != "" ]; then | |
c581b670 | 321 | iptables -A REDINPUT -i $RED_DEV -j ACCEPT |
ff4770c7 AM |
322 | fi |
323 | fi | |
3a1019f6 | 324 | fi |
ff4770c7 AM |
325 | |
326 | # PPTP over DHCP | |
327 | if [ "$DEVICE" != "" -a "$TYPE" == "PPTP" -a "$METHOD" == "DHCP" ]; then | |
c581b670 MT |
328 | iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i $DEVICE -j ACCEPT |
329 | iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i $DEVICE -j ACCEPT | |
3a1019f6 MT |
330 | fi |
331 | ||
ff4770c7 AM |
332 | # Orange pinholes |
333 | if [ "$ORANGE_DEV" != "" ]; then | |
334 | # This rule enables a host on ORANGE network to connect to the outside | |
335 | # (only if we have a red connection) | |
336 | if [ "$IFACE" != "" ]; then | |
c581b670 | 337 | iptables -A REDFORWARD -i $ORANGE_DEV -o $IFACE -j ACCEPT |
ff4770c7 | 338 | fi |
3a1019f6 | 339 | fi |
c400fe4c | 340 | |
ff4770c7 AM |
341 | if [ "$IFACE" != "" -a -f /var/ipfire/red/active ]; then |
342 | # DHCP | |
343 | if [ "$RED_DEV" != "" -a "$RED_TYPE" == "DHCP" ]; then | |
c581b670 MT |
344 | iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i $IFACE -j ACCEPT |
345 | iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i $IFACE -j ACCEPT | |
ff4770c7 AM |
346 | fi |
347 | if [ "$METHOD" == "DHCP" -a "$PROTOCOL" == "RFC1483" ]; then | |
c581b670 MT |
348 | iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i $IFACE -j ACCEPT |
349 | iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i $IFACE -j ACCEPT | |
ff4770c7 AM |
350 | fi |
351 | ||
352 | # Outgoing masquerading (don't masqerade IPSEC (mark 50)) | |
c581b670 | 353 | iptables -t nat -A REDNAT -m mark --mark 50 -o $IFACE -j RETURN |
c926c637 | 354 | |
60fcb241 AF |
355 | if [ "${IFACE}" = "${GREEN_DEV}" ]; then |
356 | iptables -t nat -A REDNAT -i "${GREEN_DEV}" -o "${IFACE}" -j RETURN | |
c926c637 | 357 | fi |
c400fe4c | 358 | |
983d471f | 359 | local NO_MASQ_NETWORKS |
83ef9c40 MT |
360 | |
361 | if [ "${MASQUERADE_GREEN}" = "off" ]; then | |
983d471f | 362 | NO_MASQ_NETWORKS="${NO_MASQ_NETWORKS} ${GREEN_NETADDRESS}/${GREEN_NETMASK}" |
83ef9c40 MT |
363 | fi |
364 | ||
365 | if [ "${MASQUERADE_BLUE}" = "off" ]; then | |
983d471f | 366 | NO_MASQ_NETWORKS="${NO_MASQ_NETWORKS} ${BLUE_NETADDRESS}/${BLUE_NETMASK}" |
83ef9c40 MT |
367 | fi |
368 | ||
369 | if [ "${MASQUERADE_ORANGE}" = "off" ]; then | |
983d471f | 370 | NO_MASQ_NETWORKS="${NO_MASQ_NETWORKS} ${ORANGE_NETADDRESS}/${ORANGE_NETMASK}" |
83ef9c40 MT |
371 | fi |
372 | ||
983d471f MT |
373 | local network |
374 | for network in ${NO_MASQ_NETWORKS}; do | |
375 | iptables -t nat -A REDNAT -s "${network}" -o "${IFACE}" -j RETURN | |
83ef9c40 MT |
376 | done |
377 | ||
378 | # Masquerade everything else | |
379 | iptables -t nat -A REDNAT -o $IFACE -j MASQUERADE | |
6be0579b | 380 | fi |
66f6b279 MT |
381 | |
382 | # Reload all rules. | |
55a5bcae | 383 | /usr/local/bin/firewallctrl |
ff4770c7 AM |
384 | } |
385 | ||
4b12aa41 TE |
386 | iptables_red_down() { |
387 | # Prohibit packets to reach the masquerading rule | |
388 | # while the wan interface is down - this is required to | |
389 | # circumvent udp related NAT issues | |
390 | # http://forum.ipfire.org/index.php?topic=11127.0 | |
e7204c2d MT |
391 | if [ -n "${IFACE}" ]; then |
392 | iptables -F REDFORWARD | |
393 | iptables -A REDFORWARD -o "${IFACE}" -j DROP | |
394 | fi | |
4b12aa41 TE |
395 | |
396 | # Reload all rules. | |
397 | /usr/local/bin/firewallctrl | |
398 | } | |
399 | ||
ff4770c7 AM |
400 | # See how we were called. |
401 | case "$1" in | |
402 | start) | |
cdb725da MT |
403 | boot_mesg "Loading firewall modules into the kernel" |
404 | modprobe iptable_nat || failed=1 | |
405 | for i in $(find /lib/modules/$(uname -r) -name nf_conntrack*); do | |
406 | modprobe $(basename $i | cut -d. -f1) || failed=1 | |
407 | done | |
408 | for i in $(find /lib/modules/$(uname -r) -name nf_nat*); do | |
409 | modprobe $(basename $i | cut -d. -f1) || failed=1 | |
410 | done | |
411 | (exit ${failed}) | |
412 | evaluate_retval | |
413 | ||
414 | if [ -e /var/ipfire/main/disable_nf_sip ]; then | |
415 | rmmod nf_nat_sip | |
416 | rmmod nf_conntrack_sip | |
417 | rmmod nf_nat_h323 | |
418 | rmmod nf_conntrack_h323 | |
419 | fi | |
420 | ||
7d7740a4 | 421 | boot_mesg "Setting up firewall" |
ff4770c7 | 422 | iptables_init |
7d7740a4 | 423 | evaluate_retval |
6be0579b | 424 | ;; |
4b12aa41 | 425 | reload|up) |
7d7740a4 | 426 | boot_mesg "Reloading firewall" |
4b12aa41 | 427 | iptables_red_up |
7d7740a4 | 428 | evaluate_retval |
3a1019f6 | 429 | ;; |
4b12aa41 TE |
430 | down) |
431 | boot_mesg "Disabling firewall access to RED" | |
432 | iptables_red_down | |
433 | evaluate_retval | |
434 | ;; | |
3a1019f6 | 435 | restart) |
3a1019f6 MT |
436 | $0 start |
437 | ;; | |
438 | *) | |
ff4770c7 | 439 | echo "Usage: $0 {start|reload|restart}" |
3a1019f6 MT |
440 | exit 1 |
441 | ;; | |
442 | esac | |
443 | ||
444 | exit 0 |