File: before6.rules

package info (click to toggle)
ufw 0.36-7.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, sid
  • size: 5,864 kB
  • sloc: python: 8,665; sh: 5,951; makefile: 202
file content (142 lines) | stat: -rw-r--r-- 6,700 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
#
# rules.before
#
# Rules that should be run before the ufw command line added rules. Custom
# rules should be added to one of these chains:
#   ufw6-before-input
#   ufw6-before-output
#   ufw6-before-forward
#

# Don't delete these required lines, otherwise there will be errors
*filter
:ufw6-before-input - [0:0]
:ufw6-before-output - [0:0]
:ufw6-before-forward - [0:0]
# End required lines


# allow all on loopback
-A ufw6-before-input -i lo -j ACCEPT
-A ufw6-before-output -o lo -j ACCEPT

# drop packets with RH0 headers
-A ufw6-before-input -m rt --rt-type 0 -j DROP
-A ufw6-before-forward -m rt --rt-type 0 -j DROP
-A ufw6-before-output -m rt --rt-type 0 -j DROP

# quickly process packets for which we already have a connection
-A ufw6-before-input -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A ufw6-before-output -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A ufw6-before-forward -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT

# multicast ping replies are part of the ok icmp codes for INPUT (rfc4890,
# 4.4.1 and 4.4.2), but don't have an associated connection and are otherwise
# be marked INVALID, so allow here instead.
-A ufw6-before-input -p icmpv6 --icmpv6-type echo-reply -j ACCEPT

# drop INVALID packets (logs these in loglevel medium and higher)
-A ufw6-before-input -m conntrack --ctstate INVALID -j ufw6-logging-deny
-A ufw6-before-input -m conntrack --ctstate INVALID -j DROP

# ok icmp codes for INPUT (rfc4890, 4.4.1 and 4.4.2)
-A ufw6-before-input -p icmpv6 --icmpv6-type destination-unreachable -j ACCEPT
-A ufw6-before-input -p icmpv6 --icmpv6-type packet-too-big -j ACCEPT
# codes 0 and 1
-A ufw6-before-input -p icmpv6 --icmpv6-type time-exceeded -j ACCEPT
# codes 0-2 (echo-reply needs to be before INVALID, see above)
-A ufw6-before-input -p icmpv6 --icmpv6-type parameter-problem -j ACCEPT
-A ufw6-before-input -p icmpv6 --icmpv6-type echo-request -j ACCEPT
-A ufw6-before-input -p icmpv6 --icmpv6-type router-solicitation -m hl --hl-eq 255 -j ACCEPT
-A ufw6-before-input -p icmpv6 --icmpv6-type router-advertisement -m hl --hl-eq 255 -j ACCEPT
-A ufw6-before-input -p icmpv6 --icmpv6-type neighbor-solicitation -m hl --hl-eq 255 -j ACCEPT
-A ufw6-before-input -p icmpv6 --icmpv6-type neighbor-advertisement -m hl --hl-eq 255 -j ACCEPT
# IND solicitation
-A ufw6-before-input -p icmpv6 --icmpv6-type 141 -m hl --hl-eq 255 -j ACCEPT
# IND advertisement
-A ufw6-before-input -p icmpv6 --icmpv6-type 142 -m hl --hl-eq 255 -j ACCEPT
# MLD query
-A ufw6-before-input -p icmpv6 --icmpv6-type 130 -s fe80::/10 -j ACCEPT
# MLD report
-A ufw6-before-input -p icmpv6 --icmpv6-type 131 -s fe80::/10 -j ACCEPT
# MLD done
-A ufw6-before-input -p icmpv6 --icmpv6-type 132 -s fe80::/10 -j ACCEPT
# MLD report v2
-A ufw6-before-input -p icmpv6 --icmpv6-type 143 -s fe80::/10 -j ACCEPT
# SEND certificate path solicitation
-A ufw6-before-input -p icmpv6 --icmpv6-type 148 -m hl --hl-eq 255 -j ACCEPT
# SEND certificate path advertisement
-A ufw6-before-input -p icmpv6 --icmpv6-type 149 -m hl --hl-eq 255 -j ACCEPT
# MR advertisement
-A ufw6-before-input -p icmpv6 --icmpv6-type 151 -s fe80::/10 -m hl --hl-eq 1 -j ACCEPT
# MR solicitation
-A ufw6-before-input -p icmpv6 --icmpv6-type 152 -s fe80::/10 -m hl --hl-eq 1 -j ACCEPT
# MR termination
-A ufw6-before-input -p icmpv6 --icmpv6-type 153 -s fe80::/10 -m hl --hl-eq 1 -j ACCEPT

# ok icmp codes for OUTPUT (rfc4890, 4.4.1 and 4.4.2)
-A ufw6-before-output -p icmpv6 --icmpv6-type destination-unreachable -j ACCEPT
-A ufw6-before-output -p icmpv6 --icmpv6-type packet-too-big -j ACCEPT
# codes 0 and 1
-A ufw6-before-output -p icmpv6 --icmpv6-type time-exceeded -j ACCEPT
# codes 0-2
-A ufw6-before-output -p icmpv6 --icmpv6-type parameter-problem -j ACCEPT
-A ufw6-before-output -p icmpv6 --icmpv6-type echo-request -j ACCEPT
-A ufw6-before-output -p icmpv6 --icmpv6-type echo-reply -j ACCEPT
-A ufw6-before-output -p icmpv6 --icmpv6-type router-solicitation -m hl --hl-eq 255 -j ACCEPT
-A ufw6-before-output -p icmpv6 --icmpv6-type neighbor-advertisement -m hl --hl-eq 255 -j ACCEPT
-A ufw6-before-output -p icmpv6 --icmpv6-type neighbor-solicitation -m hl --hl-eq 255 -j ACCEPT
-A ufw6-before-output -p icmpv6 --icmpv6-type router-advertisement -m hl --hl-eq 255 -j ACCEPT
# IND solicitation
-A ufw6-before-output -p icmpv6 --icmpv6-type 141 -m hl --hl-eq 255 -j ACCEPT
# IND advertisement
-A ufw6-before-output -p icmpv6 --icmpv6-type 142 -m hl --hl-eq 255 -j ACCEPT
# MLD query
-A ufw6-before-output -p icmpv6 --icmpv6-type 130 -s fe80::/10 -j ACCEPT
# MLD report
-A ufw6-before-output -p icmpv6 --icmpv6-type 131 -s fe80::/10 -j ACCEPT
# MLD done
-A ufw6-before-output -p icmpv6 --icmpv6-type 132 -s fe80::/10 -j ACCEPT
# MLD report v2
-A ufw6-before-output -p icmpv6 --icmpv6-type 143 -s fe80::/10 -j ACCEPT
# SEND certificate path solicitation
-A ufw6-before-output -p icmpv6 --icmpv6-type 148 -m hl --hl-eq 255 -j ACCEPT
# SEND certificate path advertisement
-A ufw6-before-output -p icmpv6 --icmpv6-type 149 -m hl --hl-eq 255 -j ACCEPT
# MR advertisement
-A ufw6-before-output -p icmpv6 --icmpv6-type 151 -s fe80::/10 -m hl --hl-eq 1 -j ACCEPT
# MR solicitation
-A ufw6-before-output -p icmpv6 --icmpv6-type 152 -s fe80::/10 -m hl --hl-eq 1 -j ACCEPT
# MR termination
-A ufw6-before-output -p icmpv6 --icmpv6-type 153 -s fe80::/10 -m hl --hl-eq 1 -j ACCEPT

# ok icmp codes for FORWARD (rfc4890, 4.3.1)
-A ufw6-before-forward -p icmpv6 --icmpv6-type destination-unreachable -j ACCEPT
-A ufw6-before-forward -p icmpv6 --icmpv6-type packet-too-big -j ACCEPT
# codes 0 and 1
-A ufw6-before-forward -p icmpv6 --icmpv6-type time-exceeded -j ACCEPT
# codes 0-2
-A ufw6-before-forward -p icmpv6 --icmpv6-type parameter-problem -j ACCEPT
-A ufw6-before-forward -p icmpv6 --icmpv6-type echo-request -j ACCEPT
-A ufw6-before-forward -p icmpv6 --icmpv6-type echo-reply -j ACCEPT
# ok icmp codes for FORWARD (rfc4890, 4.3.2)
# Home Agent Address Discovery Reques
-A ufw6-before-input -p icmpv6 --icmpv6-type 144 -j ACCEPT
# Home Agent Address Discovery Reply
-A ufw6-before-input -p icmpv6 --icmpv6-type 145 -j ACCEPT
# Mobile Prefix Solicitation
-A ufw6-before-input -p icmpv6 --icmpv6-type 146 -j ACCEPT
# Mobile Prefix Advertisement
-A ufw6-before-input -p icmpv6 --icmpv6-type 147 -j ACCEPT

# allow dhcp client to work
-A ufw6-before-input -p udp -s fe80::/10 --sport 547 -d fe80::/10 --dport 546 -j ACCEPT

# allow MULTICAST mDNS for service discovery
-A ufw6-before-input -p udp -d ff02::fb --dport 5353 -j ACCEPT

# allow MULTICAST UPnP for service discovery
-A ufw6-before-input -p udp -d ff02::f --dport 1900 -j ACCEPT

# don't delete the 'COMMIT' line or these rules won't be processed
COMMIT