Commit graph

187 commits

Author SHA1 Message Date
Alfredo Cardigliano
cb2f37529e Reworked storeFlowAlert (using Lua table instead of many params now) 2019-11-06 10:02:15 +01:00
Alfredo Cardigliano
acdab024da Enqueueing flow alerts to be stored/notified from Lua, removed DB select to notiy alert (using the alert object directly) 2019-11-05 15:53:10 +01:00
emanuele-f
54140b6f1a Migrate alertable disabled alerts preference to lua
This avoids performing multiple hget on redis, thus increasing performance
2019-11-05 14:59:38 +01:00
emanuele-f
a96a90b65f Optimize disabled alerts bitmap redis access 2019-11-05 12:29:08 +01:00
Alfredo Cardigliano
280213e148 Enqueueing alerts as soon as they are detected, instead of using 2-steps (#3038) 2019-11-05 11:04:44 +01:00
emanuele-f
675adcf90e Migrate hosts disabled flow status preference to lua
By loading all the preferences at once in flow.lua setup() the
redis load is reduced and design is simpler.
2019-11-04 16:50:26 +01:00
Alfredo Cardigliano
d10dfc7762 Deferred flow alerts insertion through a redis queue. Removed alerts DB select when printing flow details. 2019-10-31 12:53:23 +01:00
Alfredo Cardigliano
96ef3c05e7 New alert when the number of idle entries in the hash tabel exceeds a configured threshold (implements #3005) 2019-10-25 14:29:37 +02:00
Alfredo Cardigliano
afbb34e262 TCP SYN Scan detection (implements #2963) 2019-10-24 15:35:26 +02:00
emanuele-f
10aa5542f8 Rework alertEntity functions to avoid modules circular dependencies
Fixes #2975
2019-10-23 13:01:57 +02:00
Simone Mainardi
1ec35c3042 Fixes and cleanup of disabled alerts 2019-10-22 10:33:42 +02:00
Simone Mainardi
5b3f34b72a Fixes flapping of engaged alerts 2019-10-21 17:41:50 +02:00
Simone Mainardi
43d0b89bd9 Prevens tons of unnecessary calls to alerts_api.trigger() 2019-10-17 18:54:13 +02:00
emanuele-f
873b96c20a Split alert types definitions in multiple files 2019-10-16 12:04:07 +02:00
emanuele-f
7bd6feb622 Rename check_module -> user_script 2019-10-10 18:14:53 +02:00
emanuele-f
ffd3b4c1ee Users scripts api changes and initial documentation 2019-10-09 15:12:28 +02:00
emanuele-f
ede9a7940a Generalize periodic and flows callbacks
Now periodic callbacks are properly called even when alerts are disabled
The granularity filter and check_function has been replaced with a more generic hooks list
2019-10-07 19:05:43 +02:00
emanuele-f
bee1efdded Move callbacks scripts into separate tab 2019-10-04 10:48:13 +02:00
Simone Mainardi
6db2c6392f Stores flow lua scripts benchmarks and shows them in the ui 2019-10-01 17:06:29 +02:00
emanuele-f
35e3a2f20c Do not compute DNS ratio in nEdge
nEdge does not see the DNS replies so DNS ratio is incorrect
2019-09-30 11:28:15 +02:00
Simone Mainardi
25a9b864e9 Removes a debug print 2019-09-20 10:32:07 +02:00
Simone Mainardi
b32541bcdf Unifies the alerts/flow scripts UI
Implements #2855
2019-09-20 10:30:42 +02:00
Simone Mainardi
c43466412c Initial work to add preferences-like on/off toggles to custom scripts 2019-09-19 18:03:19 +02:00
Simone Mainardi
79b69c2e6f Flattens out the structure of lua flow callbacks 2019-09-17 18:22:55 +02:00
Simone Mainardi
909408168b Improves flow check lua scripts loading efficiency 2019-09-17 14:24:29 +02:00
Simone Mainardi
e2c9e729a4 Implements flow check modules enable/disable prefs 2019-09-17 11:57:29 +02:00
Simone Mainardi
b3d595653e Initial implementation of lua flow callback scripts and blacklisted alerts
Partially implements #2842
2019-09-16 18:27:46 +02:00
emanuele-f
e4f1d1f5d3 Avoid flow.lua overhead if all the modules are disabled 2019-09-11 14:52:26 +02:00
emanuele-f
06f3077da8 Avoid excessive redis lookups for hosts when hosts cache is disabled 2019-09-09 12:42:35 +02:00
emanuele-f
d9a44d615a Implement generic flow callbacks 2019-09-05 19:11:11 +02:00
emanuele-f
b62e4183f0 Add ability to manually release an alert 2019-09-04 12:29:13 +02:00
emanuele-f
74f761d18b Allow calls to alerts_api.trigger/alerts_api.release outside periodic scripts 2019-09-03 19:20:50 +02:00
emanuele-f
a8cb972e7d Implement ghost networks alerts 2019-08-28 16:42:18 +02:00
emanuele-f
3bf6ed1ecd Add syn-vs-rst and misbehaving-vs-total-flows alerts 2019-08-27 16:33:53 +02:00
emanuele-f
01c586119e Remove ICMP ratio alert and enable ratio alerts by default in 5mins 2019-08-27 14:32:24 +02:00
emanuele-f
b3bdfcff32 Cleanup of the too-many-drops interface alert 2019-08-27 13:04:53 +02:00
emanuele-f
eb3542d7e7 Address too much ratio alerts generated after host deserialization 2019-08-27 11:02:28 +02:00
emanuele-f
a0761db1e8 Implement replies/requests ratio alert 2019-08-26 18:38:34 +02:00
emanuele-f
b0ba13f0bc Syn/flow flood alerts now use their own alert type 2019-08-26 17:36:27 +02:00
emanuele-f
abdc3d54a3 Handle alert config default values
Closes #2747
2019-08-23 19:23:05 +02:00
emanuele-f
16b839828d Reduce alerts drop message severity 2019-08-23 14:29:48 +02:00
emanuele-f
7893c1f78a Implement RTT host engage/release alert 2019-08-20 19:02:58 +02:00
emanuele-f
87ba28195b Add support to engage/release on external alerts 2019-08-20 19:02:58 +02:00
Simone Mainardi
3a5de882fe Fixes lua nil-call exception upon InfluxDB errors
Fixes
WARNING: Script failure [/home/simone/ntopng/scripts/callbacks/system/timeseries.lua][/home/simone/ntopng/scripts/lua/modules/alerts_api.lua:223: attempt to call a nil value (global 'alertEntity')]
2019-08-16 20:48:11 +02:00
emanuele-f
ee3a5e7413 Use check_module key instead of script name 2019-08-08 18:03:16 +02:00
emanuele-f
3ab6ff7901 Add support for on/off alert configuration 2019-08-06 17:29:35 +02:00
emanuele-f
c1b114e151 Fix invalid influxdb/lists alert entity 2019-08-06 15:36:15 +02:00
emanuele-f
eebf8674ac Add nil checks 2019-08-02 09:57:27 +02:00
emanuele-f
b85d1a4d03 Fix alert_api.store script error in incDisabledAlertsCount 2019-07-31 14:18:27 +02:00
emanuele-f
ee9e5ec9de Unify alerts and alerts notifications format 2019-07-30 18:12:58 +02:00