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defender: allow to set a different score for "no auth tried" events

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Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino
2023-01-25 18:49:03 +01:00
parent 5550a5d2c0
commit c0fe08b597
27 changed files with 184 additions and 93 deletions
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11
internal/common/common.go
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@@ -156,8 +156,9 @@ var (
ProtocolHTTP, ProtocolHTTPShare, ProtocolOIDC}
disconnHookProtocols = []string{ProtocolSFTP, ProtocolSCP, ProtocolSSH, ProtocolFTP}
// the map key is the protocol, for each protocol we can have multiple rate limiters
rateLimiters map[string][]*rateLimiter
isShuttingDown atomic.Bool
rateLimiters map[string][]*rateLimiter
isShuttingDown atomic.Bool
ftpLoginCommands = []string{"PASS", "USER"}
)
// Initialize sets the common configuration
@@ -191,7 +192,7 @@ func Initialize(c Configuration, isShared int) error {
}
if c.DefenderConfig.Enabled {
if !util.Contains(supportedDefenderDrivers, c.DefenderConfig.Driver) {
return fmt.Errorf("unsupported defender driver %#v", c.DefenderConfig.Driver)
return fmt.Errorf("unsupported defender driver %q", c.DefenderConfig.Driver)
}
var defender Defender
var err error
@@ -933,9 +934,9 @@ func (conns *ActiveConnections) Remove(connectionID string) {
}
conns.removeUserConnection(conn.GetUsername())
metric.UpdateActiveConnectionsSize(lastIdx)
logger.Debug(conn.GetProtocol(), conn.GetID(), "connection removed, local address %#v, remote address %#v close fs error: %v, num open connections: %v",
logger.Debug(conn.GetProtocol(), conn.GetID(), "connection removed, local address %q, remote address %q close fs error: %v, num open connections: %d",
conn.GetLocalAddress(), conn.GetRemoteAddress(), err, lastIdx)
if conn.GetProtocol() == ProtocolFTP && conn.GetUsername() == "" {
if conn.GetProtocol() == ProtocolFTP && conn.GetUsername() == "" && !util.Contains(ftpLoginCommands, conn.GetCommand()) {
ip := util.GetIPFromRemoteAddress(conn.GetRemoteAddress())
logger.ConnectionFailedLog("", ip, dataprovider.LoginMethodNoAuthTryed, conn.GetProtocol(),
dataprovider.ErrNoAuthTryed.Error())