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Do not add internal and localhost connections to history

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This commit is contained in:
Daniel 2023-08-11 11:56:22 +02:00
parent 9ccdfad328
commit 3b70c5587c
3 changed files with 18 additions and 8 deletions
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2
netquery/manager.go
View file

@ -127,7 +127,7 @@ func (mng *Manager) HandleFeed(ctx context.Context, feed <-chan *network.Connect
// Save to netquery database.
// Do not include internal connections in history.
if err := mng.store.Save(ctx, *model, conn.HistoryEnabled && !conn.Internal); err != nil {
if err := mng.store.Save(ctx, *model, conn.HistoryEnabled); err != nil {
log.Errorf("netquery: failed to save connection %s in sqlite database: %s", conn.ID, err)
return
}

14
network/connection.go
View file

@ -578,8 +578,8 @@ func (conn *Connection) SetLocalIP(ip net.IP) {
conn.LocalIPScope = netutils.GetIPScope(ip)
}
// UpdateFeatures checks which connection related features may be used and sets
// the flags accordingly.
// UpdateFeatures checks which connection related features may and should be
// used and sets the flags accordingly.
// The caller must hold a lock on the connection.
func (conn *Connection) UpdateFeatures() error {
// Get user.
@ -591,7 +591,15 @@ func (conn *Connection) UpdateFeatures() error {
// Check if history may be used and if it is enabled for this application.
conn.HistoryEnabled = false
if user.MayUse(account.FeatureHistory) {
switch {
case conn.Internal:
// Do not record internal connections, as they are of low interest in the history.
// TODO: Should we create a setting for this?
case conn.Entity.IPScope.IsLocalhost():
// Do not record localhost-only connections, as they are very low interest in the history.
// TODO: Should we create a setting for this?
case user.MayUse(account.FeatureHistory):
// Check if history may be used and is enabled.
lProfile := conn.Process().Profile()
if lProfile != nil {
conn.HistoryEnabled = lProfile.EnableHistory()

6
profile/config.go
View file

@ -196,7 +196,7 @@ func registerConfiguration() error { //nolint:maintidx
err := config.Register(&config.Option{
Name: "Default Network Action",
Key: CfgOptionDefaultActionKey,
Description: `The default network action is applied when nothing else allows or blocks an outgoing connection. Incoming connections are always blocked by default.`,
Description: `The default network action is applied when nothing else allows or blocks a connection. This affects both outgoing and incoming connections. This setting is the weakest of all and is commonly overruled by Force Block settings or Rules.`,
OptType: config.OptTypeString,
DefaultValue: DefaultActionPermitValue,
Annotations: config.Annotations{
@ -254,7 +254,9 @@ func registerConfiguration() error { //nolint:maintidx
err = config.Register(&config.Option{
Name: "Enable Network History",
Key: CfgOptionEnableHistoryKey,
Description: "Save connections in a database (on disk) in order to view and search them later. Changes might take a couple minutes to apply to all connections.",
Description: `Save connections in a database (on disk) in order to view and search them later. Changes might take a couple minutes to apply to all connections.
In order to reduce noise optimize performance, internal and device-only (localhost) connections are not saved to history.`,
OptType: config.OptTypeBool,
ReleaseLevel: config.ReleaseLevelStable,
ExpertiseLevel: config.ExpertiseLevelUser,