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1 | #!/bin/sh | |
2 | ||
3 | ############################################################################### | |
4 | # # | |
5 | # IPFire.org - A linux based firewall # | |
6 | # Copyright (C) 2013 # | |
7 | # # | |
8 | # This program is free software: you can redistribute it and/or modify # | |
9 | # it under the terms of the GNU General Public License as published by # | |
10 | # the Free Software Foundation, either version 3 of the License, or # | |
11 | # (at your option) any later version. # | |
12 | # # | |
13 | # This program is distributed in the hope that it will be useful, # | |
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
16 | # GNU General Public License for more details. # | |
17 | # # | |
18 | # You should have received a copy of the GNU General Public License # | |
19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
20 | # # | |
21 | ############################################################################### | |
22 | # Author: Alexander Marx (amarx@ipfire.org) # | |
23 | ############################################################################### | |
24 | ||
25 | ||
26 | eval $(/usr/local/bin/readhash /var/ipfire/forward/settings) | |
27 | eval $(/usr/local/bin/readhash /var/ipfire/optionsfw/settings) | |
28 | eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings) | |
29 | ||
30 | iptables -F POLICYFWD | |
31 | iptables -F POLICYOUT | |
32 | iptables -F POLICYIN | |
33 | ||
34 | if [ -f "/var/ipfire/red/iface" ]; then | |
35 | IFACE=`cat /var/ipfire/red/iface` | |
36 | fi | |
37 | ||
38 | #FORWARDFW | |
39 | if [ "$POLICY" == "MODE1" ]; then | |
40 | if [ "$FWPOLICY" == "REJECT" ]; then | |
41 | if [ "$DROPFORWARD" == "on" ]; then | |
42 | /sbin/iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "REJECT_FORWARD" | |
43 | fi | |
44 | /sbin/iptables -A POLICYFWD -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_FORWARD" | |
45 | fi | |
46 | if [ "$FWPOLICY" == "DROP" ]; then | |
47 | if [ "$DROPFORWARD" == "on" ]; then | |
48 | /sbin/iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "DROP_FORWARD" | |
49 | fi | |
50 | /sbin/iptables -A POLICYFWD -j DROP -m comment --comment "DROP_FORWARD" | |
51 | fi | |
52 | else | |
53 | if [ "$BLUE_DEV" ] && [ "$IFACE" ]; then | |
54 | /sbin/iptables -A POLICYFWD -i blue0 ! -o $IFACE -j DROP | |
55 | fi | |
56 | /sbin/iptables -A POLICYFWD -i orange0 ! -o $IFACE -j DROP | |
57 | /sbin/iptables -A POLICYFWD -j ACCEPT | |
58 | /sbin/iptables -A POLICYFWD -m comment --comment "DROP_FORWARD" -j DROP | |
59 | fi | |
60 | ||
61 | #OUTGOINGFW | |
62 | if [ "$POLICY1" == "MODE1" ]; then | |
63 | if [ "$FWPOLICY1" == "REJECT" ]; then | |
64 | if [ "$DROPOUTGOING" == "on" ]; then | |
65 | /sbin/iptables -A POLICYOUT -m limit --limit 10/minute -j LOG --log-prefix "REJECT_OUTPUT" | |
66 | fi | |
67 | /sbin/iptables -A POLICYOUT -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_OUTPUT" | |
68 | fi | |
69 | if [ "$FWPOLICY1" == "DROP" ]; then | |
70 | if [ "$DROPOUTGOING" == "on" ]; then | |
71 | /sbin/iptables -A POLICYOUT -m limit --limit 10/minute -j LOG --log-prefix "DROP_OUTPUT" | |
72 | fi | |
73 | /sbin/iptables -A POLICYOUT -j DROP -m comment --comment "DROP_OUTPUT" | |
74 | fi | |
75 | else | |
76 | /sbin/iptables -A POLICYOUT -j ACCEPT | |
77 | /sbin/iptables -A POLICYOUT -m comment --comment "DROP_OUTPUT" -j DROP | |
78 | fi | |
79 | #INPUT | |
80 | if [ "$FWPOLICY2" == "REJECT" ]; then | |
81 | if [ "$DROPINPUT" == "on" ]; then | |
82 | /sbin/iptables -A POLICYIN -m limit --limit 10/minute -j LOG --log-prefix "REJECT_INPUT" | |
83 | fi | |
84 | /sbin/iptables -A POLICYIN -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_INPUT" | |
85 | fi | |
86 | if [ "$FWPOLICY2" == "DROP" ]; then | |
87 | if [ "$DROPINPUT" == "on" ]; then | |
88 | /sbin/iptables -A POLICYIN -m limit --limit 10/minute -j LOG --log-prefix "DROP_INPUT" | |
89 | fi | |
90 | /sbin/iptables -A POLICYIN -j DROP -m comment --comment "DROP_INPUT" | |
91 | fi | |
92 | ||
93 | exit 0 |