  (åȤǤʬ)
  Linux Socket Filter  Berkeley Packet Filter ͳ褷Ƥ
  ޤ Y ȡ桼֤ưץब
  åȤ˥ե륿֤ǤˤäƤΥåȾ
  Υǡ̤̤ʤ褦˥ͥ˻
  ޤ Linux Socket Filtering TCP ʳƤ
  åȷǻȤޤܤ
  Documentation/networking/filter.txt 򸫤Ƥ

  PPP ѥåȥե륿󥰤Ѥ硢 Y 
  ɬפޤ (Ф CONFIG_PPP_FILTER ץ
  )

  褯ʬʤʤ N Ƥ

  <, (2.4.0), (2.4.4 )>

