Lub Subnetwork Access Protocol yog ib lub tswv yim rau multiplexing, ntawm tes hauj lwm siv IEEE 802.2 LLC, ntau cov txheej txheem ntau dua li qhov txawv ntawm 8-ntsis 802.2 Service Access Point teb. SNAP txhawb kev txheeb xyuas cov txheej txheem los ntawm EtherType cov nqi teb; nws kuj txhawb cov neeg muag khoom-tus kheej raws tu qauv qhia qhov chaw.
Dab tsi raws tu qauv siv los ntawm Snapchat?
Vim Snapchat siv HTTPS thiab TLS, cov pob ntawv peb tuaj yeem cuam tshuam (saib ntu 6.3. 1) tau encrypted. Peb mam li sim cuam tshuam thiab decrypt pob ntawv siv Charles Proxy, Fiddler, thiab WireShark.
Npaj taub hau siv rau dab tsi?
Tus SNAP header yog siv thaum LLC raws tu qauv nqa IP pob ntawv thiab muaj cov ntaub ntawv uas yuav txwv tsis pub nqa mus rau hauv 2-byte MAC thav duab hom teb.
Qhov txawv ntawm IEEE 802.3 thiab Ethernet II yog dab tsi?
Qhov sib txawv loj tshaj ntawm Ethernet II thiab 802.3 yog thaj chaw ntawm lawv Ethernet headers. Qhov sib txawv tseem ceeb ntawm Ethernet 2 thiab IEEE thav ntawv yog tias Hom teb hauv Version II tau hloov nrog 2-byte Length teb hauv IEEE hom.
Dab tsi yog DSAP thiab SSAP?
SSAP (Source SAP) yog 8-ntsis ntev teb uas sawv cev rau qhov chaw nyob ntawm lub network txheej txheej uas tau tsim cov lus. DSAP (Destination SAP) yog thaj tsam 8-ntsis ntev uas sawv cev rau qhov chaw nyob ntawm lub network txheej txheej npaj los txais cov lus.
