Video: Hom kev nkag tau zoo li cas yog qhov yooj yim tshaj plaws rau kev tawm tsam rov qab?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Routing ruaj ntseg hauv ad hoc networks
Wireless ad hoc networks kuj muaj raug mob rau replay tawm tsam . Hauv qhov no, qhov kev lees paub tseeb tuaj yeem txhim kho thiab ua kom muaj zog los ntawm kev txuas ntxiv AODV raws tu qauv.
Kuj paub, dab tsi yog replay tawm tsam thiab lawv tuaj yeem daws tau li cas?
A replay nres tshwm sim thaum cybercriminal eavesdrops ntawm kev ruaj ntseg network kev sib txuas lus, cuam tshuam nws , thiab tom qab ntawd kev dag ntxias ncua lossis rov xa rov qab nws ua yuam kev tus receiver ua dab tsi tus hacker xav.
Ib sab saum toj no, replay nres ua haujlwm li cas? A replay nres yog ib qeb ntawm network nres nyob rau hauv uas tus attacker ntes tau cov ntaub ntawv kis tau tus mob thiab dag ntxias nws ncua los yog rov ua dua. Kev ncua lossis rov ua dua ntawm cov ntaub ntawv xa mus yog nqa tawm los ntawm tus neeg xa khoom lossis los ntawm qhov chaw siab phem, uas cuam tshuam cov ntaub ntawv thiab xa rov qab.
Tsuas yog li ntawd, puas yog replay nres ib hom txiv neej hauv nruab nrab nres?
A replay nres , kuj hu ua playback nres , muaj qhov zoo sib xws rau a txiv neej -hauv- nruab nrab nres . Hauv replay tawm tsam , tus neeg tawm tsam yuav chronicle cov tsheb khiav ntawm tus neeg siv khoom thiab cov neeg rau zaub mov tom qab ntawd rov xa cov pob ntawv mus rau tus neeg rau zaub mov nrog kev hloov pauv me me rau qhov chaw nyob IP thiab lub sijhawm stamp ntawm pob ntawv.
Cov ntaub ntawv pov thawj pov thawj twg raws tu qauv yog qhov yooj yim rau sniffing thiab replay nres?
PAP (Password Authentication raws tu qauv ) yog ib tug tsis muaj zog heev authentication raws tu qauv . Nws xa tus username thiab password hauv cleartext. Tus neeg tawm tsam uas muaj peev xwm nqus tus kev lees paub txheej txheem tuaj yeem tso ib qho yooj yim replay nres , los ntawm rov ua si tus username thiab password, siv lawv nkag rau hauv.
Pom zoo:
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