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46 lines
1.9 KiB
Plaintext
46 lines
1.9 KiB
Plaintext
#
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# Shorewall -- /usr/share/shorewall/action.AllowICMPs
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#
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# This action ACCEPTs needed ICMP types.
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#
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###############################################################################
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#ACTION SOURCE DEST PROTO DPORT SPORT ORIGDEST RATE USER
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DEFAULTS ACCEPT
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?if __IPV4
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@1 - - icmp fragmentation-needed {comment="Needed ICMP types"}
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@1 - - icmp time-exceeded {comment="Needed ICMP types"}
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?else
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?COMMENT Needed ICMP types (RFC4890)
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@1 - - ipv6-icmp destination-unreachable
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@1 - - ipv6-icmp packet-too-big
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@1 - - ipv6-icmp time-exceeded
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@1 - - ipv6-icmp parameter-problem
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# The following should have a ttl of 255 and must be allowed to transit a bridge
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@1 - - ipv6-icmp router-solicitation
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@1 - - ipv6-icmp neighbour-solicitation
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@1 - - ipv6-icmp neighbour-advertisement
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@1 - - ipv6-icmp 141 # Inverse neighbour discovery solicitation
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@1 - - ipv6-icmp 142 # Inverse neighbour discovery advertisement
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# The following must have a link local source address and must be allowed to transit a bridge
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@1 fe80::/10 - ipv6-icmp 130 # Listener query
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@1 fe80::/10 - ipv6-icmp 131 # Listener report
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@1 fe80::/10 - ipv6-icmp 132 # Listener done
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@1 fe80::/10 - ipv6-icmp router-advertisement
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@1 :: - ipv6-icmp 143 # Listener report v2
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@1 fe80::/10 - ipv6-icmp 143 # Listener report v2
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# The following should be received with a ttl of 255 and must be allowed to transit a bridge
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@1 :: - ipv6-icmp 148 # Certificate path solicitation
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@1 fe80::/10 - ipv6-icmp 148 # Certificate path solicitation
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@1 fe80::/10 - ipv6-icmp 149 # Certificate path advertisement
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# The following should have a link local source address and a ttl of 1 and must be allowed to transit a bridge
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@1 fe80::/10 - ipv6-icmp 151 # Multicast router advertisement
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@1 fe80::/10 - ipv6-icmp 152 # Multicast router solicitation
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@1 fe80::/10 - ipv6-icmp 153 # Multicast router termination
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?endif
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