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dont send net-connection for sinkhole ip #480

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dont send net-connection for sinkhole ip #480

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17 changes: 8 additions & 9 deletions eventhandler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,11 @@ func printContainerInfo(pid, ppid string) {

func (eventHandler *EventHandler) handleNetworkEvent(event *Event) {

// sinkhole is returned in-case of dns-block
if event.IPAddress == StepSecuritySinkHoleIPAddress {
return
}

if !isPrivateIPAddress(event.IPAddress) &&
// commenting out AzureIPAddress since it should not be called
// strings.Compare(event.IPAddress, AzureIPAddress) != 0 &&
Expand Down Expand Up @@ -191,16 +196,10 @@ func (eventHandler *EventHandler) handleNetworkEvent(event *Event) {
} else {
tool = Tool{Name: image, SHA256: image} // TODO: Set container image checksum
}

reverseLookUp := eventHandler.DNSProxy.GetReverseIPLookup(event.IPAddress)
status := ""
matchedPolicy := ""
reason := ""
if eventHandler.DNSProxy.GlobalBlocklist != nil && eventHandler.DNSProxy.GlobalBlocklist.IsIPAddressBlocked(event.IPAddress) {
status = "Dropped"
matchedPolicy = GlobalBlocklistMatchedPolicy
reason = eventHandler.DNSProxy.GlobalBlocklist.BlockedIPAddressReason(event.IPAddress)
}
eventHandler.ApiClient.sendNetConnection(eventHandler.CorrelationId, eventHandler.Repo, event.IPAddress, event.Port, reverseLookUp, status, matchedPolicy, reason, event.Timestamp, tool)
eventHandler.ApiClient.sendNetConnection(eventHandler.CorrelationId, eventHandler.Repo, event.IPAddress, event.Port, reverseLookUp, "", "", "", event.Timestamp, tool)

process := ""
if image == "" {
process = tool.Name
Expand Down
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