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Traffic is dropped without any logs; Policy installation fails with "fwk_atomic_load_prepare: fwk_mtcounter_prepare failed"
Symptoms
  • Connectivity issues. There are no relevant logs in SmartView Tracker.
  • IPS kernel debug ('fw ctl debug -m fw + aspii tcpstr') during connection attempts shows:
    • ;FW - 1 mtcounter_id_get: Error counter id XXX is outside of range 0-0.;
      ;FW-1: fw_brute_force_detect: KFUNC_BF_CHECK_ATTACK could not find attack counter.;
      ... ...
      ;aspii_process_data_ex: Finished running the handler after 1 runs.
      ... ...
      ;aspii_handle_action: Protection cifs_bf_code Setting action 'reject' on matrix.;
      ;psl_process_data: processing function for app ...[ASPII_MT] returned STOP_AND_REJECT;
      
    •  
      ;FW - 1 mtcounter_id_get: Error counter id XXX is outside of range 0-0.;
      ;FW-1: fw_mtcounter_get_value: could not abtain counter id XXX;
      
  • Policy installation fails with "Load on Module failed".

    Kernel debug ('fw ctl debug -m fw + filter') during policy installation shows:

    ;FW-1: Attempting to create an already existing table: fw_mtcounter_sync_htab_table (XXX);
    ;FW-1: failed to create fw_mtcounter_sync_htab_table table;
    ;fwk_atomic_load_prepare: fwk_mtcounter_prepare failed;
    
Cause

Wrong handling of some kernel tables.


Solution
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