Nau'in Firewalls: Fa'ida da rashin amfani

Mun riga mun san Firewall Tsarin hanyar sadarwa ko tacewar fakiti, lokaci yayi da za a koya game da wani nau'in Firewall. Muna komawa zuwa layin aikace-aikacen ko wayofar. Waɗannan su ne waɗanda, kamar yadda sunan su ya nuna, suna aiki a ƙarƙashin matakin 7 na takaddar aikace-aikacen samfurin OSI (Open System Interconnection, wanda shine samfurin da Standardungiyar Standardasashen Duniya ko ISO suka kirkira don haɗin haɗin yanar gizo).

Mataki na 7 yana nufin matakin da ke bayyana, yin nazari da kuma duba ladabi da za a yi amfani da su musayar bayanai, kamar imel, FTP fayiloli, shafukan yanar gizo (HTTP), da sauransu. Wato, suna tsara nau'in yarjejeniya da za'a yi amfani da su. Misali, ana iya iyakance damar shiga wasu shafukan yanar gizo ta amfani da wannan kayan aikin. Ofayan ɗayan manyan bango a cikin wannan tsarin shine Sonicwall da iTinySoft.

Mun kuma sami Tacewar wuta ta sirri, wadanda sune wadanda aka girka a kwamfutar a matsayin software, kuma suke tace bayanan tsakanin kwamfutar da sauran hanyoyin sadarwar.
Daga cikin fa'idodi da rashin dacewar samun katangar bango sune:

Abũbuwan amfãni:
zuwa. Kariya na keɓaɓɓen bayani: Defayyade waɗanne masu amfani da hanyar sadarwa da kuma wane irin bayani kowannensu zai samu.
b. Samun damar shiga: Kai tsaye ayyana ladabi da za'ayi amfani dasu
c. Kariyar kutse: Yana kare kariya daga masu kutse ta hanyar ƙuntata hanyoyin sadarwa.

disadvantages:
zuwa. Ba ta kariya daga hare-haren da ba sa wucewa ta bangon.
b. Ba ya kare barazanar da hari daga masu amfani da sakaci.
c. Ba ya kariya daga kwafin mahimman bayanai idan an samu dama.
d. Ba ya karewa daga hare-haren injiniyan zamantakewar (hare-hare ta hanyar halal. Misali, maharin ya tuntuɓi wanda aka azabtar a matsayin ma'aikacin banki, kuma ya nemi bayanan sirri, alal misali, bayanan katin kiredit, a ƙarƙashin dalilin sabunta katin)