[Bug 222126] pf is not clearing expired states

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Sep 11 10:42:39 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222126

--- Comment #12 from noah.bergbauer at tum.de ---
set limit { states 100000, src-nodes 10000 }

One of my first attempts to fix this was increasing both limits 10x - didn't
help though.


# pfctl -vsi
No ALTQ support in kernel
ALTQ related functions disabled
Status: Enabled for 1 days 14:44:53           Debug: Urgent

Hostid:   0x4b1e78c2
Checksum: 0x67f2a9cbd7b0d65ce52864ecfc156ebb

State Table                          Total             Rate
  current entries                     3839               
  searches                       360179452         2582.1/s
  inserts                           594949            4.3/s
  removals                          591110            4.2/s
Source Tracking Table
  current entries                        0               
  searches                               0            0.0/s
  inserts                                0            0.0/s
  removals                               0            0.0/s
Counters
  match                             689782            4.9/s
  bad-offset                             0            0.0/s
  fragment                              16            0.0/s
  short                                  0            0.0/s
  normalize                              0            0.0/s
  memory                                 0            0.0/s
  bad-timestamp                          0            0.0/s
  congestion                             0            0.0/s
  ip-option                              0            0.0/s
  proto-cksum                          450            0.0/s
  state-mismatch                       942            0.0/s
  state-insert                           0            0.0/s
  state-limit                            0            0.0/s
  src-limit                              0            0.0/s
  synproxy                               0            0.0/s
  map-failed                             0            0.0/s
Limit Counters
  max states per rule                    0            0.0/s
  max-src-states                         0            0.0/s
  max-src-nodes                          0            0.0/s
  max-src-conn                           0            0.0/s
  max-src-conn-rate                      0            0.0/s
  overload table insertion               0            0.0/s
  overload flush states                  0            0.0/s

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