. ▁ ▁Character istics ▁LE AF ▁is ▁capable ▁of ▁running ▁a ▁powerful ▁NAT ▁firewall ▁with ▁several ▁anc ill ary ▁services ▁on ▁computer ▁hardware ▁generally ▁considered ▁ob sole te , ▁such ▁as ▁ 4 8 6 ▁work st ations ▁with ▁no ▁hard ▁disk . ▁ ▁LE AF ▁is ▁intended ▁to ▁work ▁well ▁with ▁read - only ▁storage ▁media , ▁such ▁as ▁write - protected ▁flo ppy ▁drives ▁or ▁optical ▁disc s . ▁ ▁Distribution ▁sizes ▁range ▁from ▁a ▁single ▁flo ppy ▁disk ▁to ▁several ▁hundred ▁meg aby tes . ▁ ▁LE AF ▁distributions ▁typically ▁include ▁software ▁designed ▁to ▁be ▁econom ical ▁in ▁executable ▁size , ▁such ▁as ▁u C lib c , ▁Bus y Box , ▁Drop b ear , ▁and ▁Sh ore wall . ▁ ▁LE AF ' s ▁orig ins ▁lie ▁in ▁Deb ian ▁Sar ge , ▁though ▁many ▁boot ▁processes ▁and ▁da emon ▁control ▁mechan isms ▁have ▁been ▁modified ▁heavily . ▁ ▁See ▁also ▁▁ ▁List ▁of ▁router ▁or ▁firewall ▁distributions ▁ ▁Al pine ▁Linux ▁ ▁External ▁links ▁ ▁LE AF ▁Linux ▁Em bed ded ▁App liance ▁Framework ▁project ▁documentation ▁ ▁LE AF ▁Linux ▁Em bed ded ▁App liance ▁Framework ▁project ▁home page ▁at ▁source forge ▁ ▁LE AF ▁Linux ▁Em bed ded ▁App liance ▁Framework ▁page ▁at ▁Oh lo h ▁ ▁An ▁article ▁at ▁L WN . net ▁discuss ing ▁L R P / LE AF ▁as ▁an ▁example ▁of ▁under app reci ated ▁free ▁software ▁ ▁An ▁article ▁from ▁Network ▁World ▁listing ▁LE AF ▁as ▁one ▁of ▁" 2