Yuav ua li cas koj nres replay tawm tsam?
Yuav ua li cas koj nres replay tawm tsam?

Video: Yuav ua li cas koj nres replay tawm tsam?

Video: Yuav ua li cas koj nres replay tawm tsam?
Video: yuav coj li cas kom luag nyiam 2024, Kaum ib hlis
Anonim

Replay tawm tsam tuaj yeem tiv thaiv los ntawm tagging txhua qhov encrypted tivthaiv nrog kev sib kho ID thiab tus lej tivthaiv. Kev siv cov kev daws teeb meem no tsis yog siv txhua yam uas cuam tshuam rau ib leeg. Vim tias tsis muaj kev sib koom ua ke muaj tsawg dua qhov tsis zoo.

Dhau li ntawd, dab tsi yog replay tawm tsam thiab yuav ua li cas lawv tuaj yeem daws tau?

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.

Tsis tas li ntawd, dab tsi yog anti replay nres? Anti - rov ua dua yog ib tug sub-protocol ntawm IPsec uas yog ib feem ntawm Internet Engineering Task Force (IETF). Lub hom phiaj tseem ceeb ntawm anti - rov ua dua yog kom tsis txhob hackers txhaj lossis hloov pauv hauv pob ntawv uas taug kev los ntawm qhov chaw mus rau qhov chaw.

Ib yam li ntawd, 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.

Kerberos tiv thaiv replay tawm tsam li cas?

1 Teb. Kerberos siv tus 'authenticator' thaum lub sij hawm sib pauv raws tu qauv uas tshwm sim ntawm tus neeg siv khoom thiab tus neeg rau zaub mov. Yog tias lub sijhawm sau ua ntej lossis zoo ib yam li cov ntawv pov thawj yav dhau los tau txais nyob rau hauv tsib feeb, nws yuav tsis lees paub lub pob ntawv vim tias nws ua rau nws zoo li replay nres thiab tus neeg siv authentication yuav ua tsis tiav.

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