▁▁ ▁Category : Head lands ▁of ▁Argentina ▁Category : Land forms ▁of ▁Ch ub ut ▁Province ▁Category : Pro te cted ▁areas ▁of ▁Ch ub ut ▁Province <0x0A> </s> ▁A ▁L AND ▁( local ▁area ▁network ▁den ial ) ▁attack ▁is ▁a ▁Do S ▁( den ial ▁of ▁service ) ▁attack ▁that ▁consists ▁of ▁sending ▁a ▁special ▁poison ▁spo of ed ▁packet ▁to ▁a ▁computer , ▁causing ▁it ▁to ▁lock ▁up . ▁The ▁security ▁f law ▁was ▁first ▁discovered ▁in ▁ 1 9 9 7 ▁by ▁someone ▁using ▁the ▁alias ▁" m 3 lt ", ▁and ▁has ▁res ur fac ed ▁many ▁years ▁later ▁in ▁operating ▁systems ▁such ▁as ▁Windows ▁Server ▁ 2 0 0 3 ▁and ▁Windows ▁XP ▁SP 2 . ▁ ▁Mechan ism ▁ ▁The ▁attack ▁involves ▁sending ▁a ▁spo of ed ▁TCP ▁SY N ▁packet ▁( connection ▁init iation ) ▁with ▁the ▁target ▁host ' s ▁IP ▁address ▁to ▁an ▁open ▁port ▁as ▁both ▁source ▁and ▁destination . ▁This ▁causes ▁the ▁machine ▁to ▁reply ▁to ▁itself ▁continu ously . ▁It ▁is , ▁however , ▁distinct ▁from ▁the ▁TCP ▁SY N ▁Flo od ▁vulner ability . ▁ ▁Other ▁L AND ▁attacks ▁have ▁since ▁been ▁found ▁in ▁services ▁like ▁SN MP ▁and ▁Windows ▁ 8 8 / tcp ▁( ker ber os / global ▁services ). ▁Such ▁systems ▁had ▁design ▁fla ws ▁that ▁would ▁allow ▁the ▁device ▁to ▁accept ▁request ▁on ▁the ▁wire ▁appearing ▁to ▁be ▁from ▁themselves , ▁causing ▁repeated ▁rep lies . ▁ ▁V ul ner able ▁systems ▁Below ▁is