Securtiy/hacking: Denial of service "DoS"

Discussion dans 'Support informatique' créé par le3fou, 26 Mars 2006.

  1. le3fou

    le3fou Visiteur

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    hada mawdou3 mezyane w mezyane bezzaf... w tanwa3idkoum billa ghadi tesstafdou menou mezyane bi amtila w koulchi.

    wa7id nhar kount kheddam f site 3andi, w lli w9e3 howa annani installit wa7id l module dyal chat, w had l module kheddama b php filesystem.. ya3ni fopen, fread, fwrite...etc w had lmodule fih chi scripts w qlq php commands lli taystehlkou jami3 memory resources dyal server. fa site dyali ta7, w nass lli kount mhosti 3andhoum site tle3 lihoum ddem w galou billa khassni n7eyyid had script ila bghit site dyali yeb9a m3ahoum, w nwa3idhoum billa hadchi ma3emrou ghadi yew9i3. fa had l9adiya lli w93at lia hiya mitale 3la denial of service attack, ghir hna makanch attack, mais ana dertha byeddiya :)

    wa7id l3am, je penses 2000, site amazon kan offline pour 3 heures, apres lmochkil daz l buy.com, apres mcha l ebay, w CNN... w kan ssabab hna howa denial of service attacks.


    fa nakhdou mitale: attacker taydir attack 3la chi charika min 3iddate computers, w taystaghil autres ordinateurs bach ydir 3lihoum des autres attacks... fa ila golna m3a rassna billa had attacker dar attack dyalou min computer wa7id, l firewall maghadich ykhellih, wa tsewwir ila dakhline 30 000 IP addresses kolhoum dayrine 3la network dyal chi charika attack... ghadi yti7 network, wla ghadi ytcracha l firewall ..

    daba ghadi nwerik kifach dir wa7id l9adiya : "Ping of Death" w hiya lli ghadi nektafi biha lyoum ka mitale.

    fa ping of death hiya naw3 min anwa3 DoS, lmaghza menha hiya anaka tatsifit large ping packet l machine dyal victim, l'operating system mataye9dirch yt3amil m3a had large long ping packets, w tayssde9 crasha.
    daba bghitik dkhel l msdos bach ndirou had ping of death :)
    start>run..>cmd
    taper : ping -l 65500 -t -n 9 "chi ip address hna" ...ila mafhemtich had l command lli ktebt w bghiti te3rifha dir : ping --help

    lmouhim hakda tayekhdim ping of death... walakine ila dertih min msdos, chnou kayew9i3 c ke l'operating system lli ye9dir matalane ykoun windows xp 3atik la taille dyal packet me7douda mabine 0-65500 bach ymen3ou had l9adiya dyal ping of death... alors chnou ghadi dir: downloadi SSPING
     

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