Video: Cisco tiam tom ntej firewall yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov Cisco Hluav taws kub Tom ntej no - Generation Firewall (NGFW) yog kev lag luam thawj zaug kev sib koom ua ke, kev hem thawj tsom rau NGFW. Nws muab kev qhia dav dav, kev sib koom ua ke txoj cai tswj hwm ntawm firewall kev ua haujlwm, kev tswj hwm, kev tiv thaiv kev hem thawj, thiab kev tiv thaiv malware siab heev los ntawm lub network mus rau qhov kawg.
Yog li ntawd, lub firewall tiam tom ntej yuav ua li cas?
A tiam tom ntej firewall (NGFW) yog, raws li Gartner txhais nws, kev tshuaj xyuas tob tob firewall uas txav dhau qhov chaw nres nkoj / raws tu qauv tshuaj xyuas thiab thaiv kom ntxiv cov ntawv thov-qib tshuaj ntsuam xyuas, kev tiv thaiv kev nkag mus, thiab nqa kev txawj ntse los ntawm sab nraud firewall .”
Puas yog Cisco ASA lub firewall tiam tom ntej? Cisco ® ASA Tom ntej - Generation Firewall Cov kev pabcuam tau mus txog qhov kawg ntawm Kev Muag Khoom. Lawv muab cov pov thawj pov thawj hauv xeev firewall nrog tom ntej no - tiam firewall muaj peev xwm thiab kev tswj hwm kev ruaj ntseg hauv network rau qhov kawg-rau-kawg network txawj ntse thiab ua kom muaj kev ruaj ntseg ua haujlwm.
Nyob rau hauv no hais txog, dab tsi yog lwm lo lus siv rau tiam tom ntej firewalls?
A tom ntej no - tiam firewall (NGFW) yog ib feem ntawm peb tiam ntawm firewall technology, sib txuas ib txwm firewall nrog rau lwm yam network ntaus ntawv filtering zog, xws li ib daim ntawv thov firewall siv nyob rau hauv-kab sib sib zog nqus packet soj ntsuam (DPI), ib tug intrusion tiv thaiv system (IPS).
Cisco firewall yog dab tsi?
A firewall yog lub network kev ruaj ntseg ntaus ntawv uas saib xyuas kev nkag mus hauv network thiab txiav txim siab seb puas yuav tso cai lossis thaiv cov tsheb khiav tshwj xeeb raws li cov txheej txheem kev nyab xeeb. Firewalls tau ua thawj kab ntawm kev tiv thaiv hauv kev ruaj ntseg network rau ntau tshaj 25 xyoo. A firewall tuaj yeem yog hardware, software, lossis ob qho tib si.
Pom zoo:
Cov lus twg muaj cov lus ua ntej uas txhais tau hais tias mus tom ntej lossis tawm mus?
Lub prefix feem ntau txhais tau tias "forward" tab sis kuj txhais tau tias "rau." Qee cov lus uas cov lus ua ntej pro-muab nce rau yog kev cog lus, pro, thiab txhawb nqa. Thaum koj, piv txwv li, ua kom muaj kev vam meej, koj tab tom nqis "mus tom ntej," tab sis yog tias koj muab cov txiaj ntsig zoo hauv kev sib cav, koj tab tom hais "rau" ib yam dab tsi los ntawm nws qhov zoo
Qhov twg ua ntej txhais tau tias ua ntej lossis ua ntej?
Lub ntsiab lus. Lub prefix txhais tau tias ua ntej, pem hauv ntej ntawm yog. Ante
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Dab tsi yog qhov txawv ntawm thawj tiam thiab thib ob tiam programming lus?
Nyob rau hauv thawj tiam lub ntsiab lub cim xeeb yog nyob rau hauv daim ntawv ntawm sib nqus nruas thiab nyob rau hauv lub thib ob tiam lub ntsiab nco yog nyob rau hauv daim ntawv RAM thiab ROM. Punched card thiab magnetic daim kab xev tau siv nyob rau hauv thawj tiam thiab sib nqus daim kab xev yog siv nyob rau hauv lub thib ob tiam. Cov lus tshuab tau siv thawj zaug thiab cov lus sib dhos tau siv thib ob