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56 lines
1.3 KiB
Plaintext
56 lines
1.3 KiB
Plaintext
#
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# Shorewall -- /usr/share/shorewall/action.A_Drop
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#
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# The audited default DROP common rules
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#
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# This action is invoked before a DROP policy is enforced. The purpose
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# of the action is:
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#
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# a) Avoid logging lots of useless cruft.
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# b) Ensure that certain ICMP packets that are necessary for successful
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# internet operation are always ACCEPTed.
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#
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# IF YOU ARE HAVING CONNECTION PROBLEMS, CHANGING THIS FILE WON'T HELP!!!!!!!!!
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#
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?require AUDIT_TARGET
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###############################################################################
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#ACTION SOURCE DEST PROTO DPORT SPORT
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#
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# Count packets that come through here
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#
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COUNT
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#
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# Special Handling for Auth
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#
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Auth(A_DROP)
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#
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# ACCEPT critical ICMP types
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#
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# For IPv6 connectivity ipv6-icmp broadcasting is required so
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# AllowICMPs must be before broadcast Drop.
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#
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A_AllowICMPs - - icmp
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#
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# Don't log broadcasts
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#
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dropBcast(audit)
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#
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# Drop packets that are in the INVALID state -- these are usually ICMP packets
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# and just confuse people when they appear in the log.
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#
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dropInvalid(audit)
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#
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# Drop Microsoft noise so that it doesn't clutter up the log.
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#
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SMB(A_DROP)
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A_DropUPnP
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#
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# Drop 'newnotsyn' traffic so that it doesn't get logged.
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#
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dropNotSyn(audit) - - tcp
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#
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# Drop late-arriving DNS replies. These are just a nuisance and clutter up
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# the log.
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#
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A_DropDNSrep
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