50 lines
1.3 KiB
Plaintext
50 lines
1.3 KiB
Plaintext
@load base/protocols/conn
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@load base/frameworks/netcontrol
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const broker_port: port = 9977/tcp &redef;
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event NetControl::init()
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{
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local netcontrol_broker = NetControl::create_broker(NetControl::BrokerConfig($host=127.0.0.1, $bport=broker_port, $topic="zeek/event/netcontrol-example"), F);
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NetControl::activate(netcontrol_broker, 0);
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}
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event NetControl::init_done()
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{
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print "NeControl is starting operations";
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}
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event Broker::peer_added(endpoint: Broker::EndpointInfo, msg: string)
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{
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print "Broker peer added", endpoint$network;
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}
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event NetControl::rule_added(r: NetControl::Rule, p: NetControl::PluginState, msg: string)
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{
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print "Rule added successfully", r$id, msg;
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}
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event NetControl::rule_error(r: NetControl::Rule, p: NetControl::PluginState, msg: string)
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{
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print "Rule error", r$id, msg;
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}
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event NetControl::rule_timeout(r: NetControl::Rule, i: NetControl::FlowInfo, p: NetControl::PluginState)
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{
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print "Rule timeout", r$id, i;
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}
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event connection_established(c: connection)
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{
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local id = c$id;
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local flow = NetControl::Flow(
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$src_h=addr_to_subnet(id$orig_h),
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$dst_h=addr_to_subnet(id$resp_h)
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);
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local e: NetControl::Entity = [$ty=NetControl::FLOW, $flow=flow];
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local r: NetControl::Rule = [$ty=NetControl::DROP, $target=NetControl::FORWARD, $entity=e, $expire=20sec];
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NetControl::add_rule(r);
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}
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