IP filtering

chros73 edited this page Aug 9, 2016 · 1 revision

IP filtering


Make a new ip table

ip_tables.insert_table = <table_name>

Create a new empty table with the name table_name, with the default value returned being 0.

There is currently no use of the generic ip tables commands.

Add a new address block

ip_tables.add_address = <table_name>,, <value>

Set <value> for all addresses in the address block, overwriting prior values.

Add a new address block

ip_tables.load = <table_name>, ~/foo.txt, <value>

Set <value> for all addresses in the file foo.txt separated by newline, similar to add_address.

Get value for address

ip_tables.get = <table_name>,

Returns the value set for an address, or the address block it belongs to. The default is 0.

Size of data structures

ip_tables.size_data = <table_name>

Returns the size in bytes of all data structures for this table, excluding the root class object itself. Note that the in-memory table is dynamically consolidated, as such memory use will always be based on actual fragmentation.

The table is a b-tree with 1024 nodes per branch.

IPv4 filtering table

ipv4_filter.add_address =, unwanted
ipv4_filter.add_address =, preferred
ipv4_filter.load = ~/filters.txt, unwanted
ipv4_filter.get =
ipv4_filter.size_data =

The main ip filter, currently supporting unwanted (do not allow connections) and preferred (currently used only in private code).


strings.ip_filter =
{ "unwanted",  PeerInfo::flag_unwanted },
{ "preferred", PeerInfo::flag_preferred },

Constants used by ipv4_filter values.

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