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41 lines
1.7 KiB
Plaintext
41 lines
1.7 KiB
Plaintext
#
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# Shorewall6 version 4 - Audited AllowICMPs Action
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#
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# /usr/share/shorewall6/action.A_AllowICMPs
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#
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# This action A_ACCEPTs needed ICMP types
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#
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###############################################################################
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#TARGET SOURCE DEST PROTO DEST
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# PORT(S)
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?COMMENT Needed ICMP types (RFC4890)
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A_ACCEPT - - ipv6-icmp destination-unreachable
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A_ACCEPT - - ipv6-icmp packet-too-big
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A_ACCEPT - - ipv6-icmp time-exceeded
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A_ACCEPT - - 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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A_ACCEPT - - ipv6-icmp router-solicitation
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A_ACCEPT - - ipv6-icmp router-advertisement
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A_ACCEPT - - ipv6-icmp neighbour-solicitation
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A_ACCEPT - - ipv6-icmp neighbour-advertisement
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A_ACCEPT - - ipv6-icmp 137 # Redirect
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A_ACCEPT - - ipv6-icmp 141 # Inverse neighbour discovery solicitation
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A_ACCEPT - - ipv6-icmp 142 # Inverse neighbour discovery advertisement
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# The following should have a link local source address and must be allowed to transit a bridge
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A_ACCEPT fe80::/10 - ipv6-icmp 130 # Listener query
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A_ACCEPT fe80::/10 - ipv6-icmp 131 # Listener report
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A_ACCEPT fe80::/10 - ipv6-icmp 132 # Listener done
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A_ACCEPT 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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A_ACCEPT - - ipv6-icmp 148 # Certificate path solicitation
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A_ACCEPT - - 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 abridge
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A_ACCEPT fe80::/10 - ipv6-icmp 151 # Multicast router advertisement
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A_ACCEPT fe80::/10 - ipv6-icmp 152 # Multicast router solicitation
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A_ACCEPT fe80::/10 - ipv6-icmp 153 # Multicast router termination
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