Video: Hom kev tawm tsam dab tsi yog qhov tsis txaus?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Dab tsi yog qhov txawv hom ntawm buffer overflow tawm tsam ? Stack overflow nres - Qhov no yog qhov feem ntau hom ntawm buffer overflow nres thiab koom nrog dej ntws a tsis pub ntawm hu pawg *. Heap overflow nres - Qhov no hom kev tawm tsam lub hom phiaj cov ntaub ntawv nyob rau hauv lub qhib nco pas hu ua heap *.
Hais txog qhov no, dab tsi yog qhov tsis txaus siab tawm tsam hauv kev ruaj ntseg network?
Hauv cov ntaub ntawv kev ruaj ntseg thiab programming, a tsis pub dhau , los yog tsis pub dhau , yog ib qho anomaly qhov program, thaum sau cov ntaub ntawv rau a tsis pub , overruns cov tsis pub ciam teb thiab overwrite qhov chaw nco nyob ib sab. Kev siv tus cwj pwm ntawm a tsis pub dhau yog ib tug paub zoo kev ruaj ntseg siv.
Ib yam li ntawd, yuav ua li cas tiv thaiv kev tawm tsam tsis txaus? Tiv thaiv Tsis Muaj Dej Txoj kev yooj yim tshaj los tiv thaiv cov kev tsis zoo no yog siv cov lus uas yooj yim ua tsis pub rau lawv. C tso cai rau cov kev tsis zoo no los ntawm kev nkag ncaj qha rau lub cim xeeb thiab tsis muaj kev ntaus ntawv zoo. Lus ntawd ua tsis qhia cov yam no feem ntau tiv thaiv kab mob. Java, Python, thiab.
Yog li ntawd, yuav ua li cas thiaj li tsis tuaj yeem tawm tsam?
A tsis pub dhau tshwm sim thaum ib qho kev pab cuam lossis cov txheej txheem sim sau cov ntaub ntawv ntxiv rau qhov thaiv ntev ntev ntawm lub cim xeeb, lossis tsis pub , dua li tsis pub yog faib los tuav. Kev siv a tsis pub dhau tso cai rau tus neeg tawm tsam los tswj lossis tsoo cov txheej txheem lossis hloov kho nws qhov hloov pauv sab hauv.
Yog vim li cas tsis yog overflow Ib qho yooj yim?
A buffer overflow vulnerability tshwm sim thaum koj muab ib qho kev pab cuam ntau cov ntaub ntawv. Cov ntaub ntawv ntau dhau ua rau qhov chaw nyob ze ntawm lub cim xeeb thiab tuaj yeem hloov pauv lwm cov ntaub ntawv. Yog li ntawd, qhov kev zov me nyuam yuav tshaj tawm qhov yuam kev lossis coj txawv txawv. Xws li yooj yim kuj hu ua tsis pub overrun.
Pom zoo:
Hom kev nkag tau zoo li cas yog qhov yooj yim tshaj plaws rau kev tawm tsam rov qab?
Kev ruaj ntseg routing hauv ad hoc tes hauj lwm Wireless ad hoc tes hauj lwm kuj raug 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
Dab tsi yog qhov tawg nkag tswj kev tawm tsam?
Broken Access Control yog dab tsi? Kev tswj kev nkag mus tswj hwm txoj cai uas cov neeg siv tsis tuaj yeem ua sab nraud ntawm lawv qhov kev tso cai. Kev ua tsis tiav feem ntau ua rau kev nthuav tawm cov ntaub ntawv tsis raug tso cai, hloov kho lossis rhuav tshem tag nrho cov ntaub ntawv, lossis ua haujlwm ua lag luam sab nraum qhov txwv ntawm tus neeg siv
Dab tsi yog qhov kev tawm tswv yim thiab tso tawm hauv kev nrhiav tau hom lus thib ob?
Cov tswv yim yog cov ntaub ntawv tau txais hauv TL (uas yog hom lus thib ob uas koj xav kawm). Cov ntaub ntawv tau txais tuaj yeem sau lossis hais lus. Cov zis yog hais txog cov lus hais lossis sau cov ntaub ntawv uas koj tsim siv hom lus thib ob. Yam koj tsim yog qhov tshwm sim ntawm qhov koj tau txais lossis kawm
Dab tsi yog hom kev tawm tsam hauv kev ruaj ntseg network?
Muaj ntau hom DoS thiab DDoS tawm tsam; Feem ntau yog TCP SYN dej nyab nres, teardrop nres, smurf nres, ping-of-tuag nres thiab botnets
Lub hmuv phishing tawm tsam txawv li cas ntawm kev tawm tsam phishing?
Phishing thiab hmuv phishing yog ntau hom kev tawm tsam email tsim los rau koj los ua ib qho kev txiav txim tshwj xeeb - feem ntau yog nyem rau ntawm qhov txuas tsis zoo lossis txuas. Qhov sib txawv ntawm lawv feem ntau yog qhov teeb meem ntawm lub hom phiaj. Spear phishing emails tau ua tib zoo tsim kom tau txais ib tus neeg tau txais kev teb