Izinhlobo Zezicishamlilo: Izinzuzo Nezinkinga

Sesiyazi ukuthi i- firewall ungqimba lwenethiwekhi noma ukuhlunga iphakethe, yisikhathi sokufunda ngolunye uhlobo lwe-Firewall. Sibheka ungqimba lwesicelo noma iGateway. Yibo labo, njengoba igama labo likhombisa, basebenza ngaphansi kwezinga le-7 lendlalelo yokufaka imodeli ye-OSI (Open System Interconnection, okuyimodeli eyenziwe yi-International Standard Organisation noma i-ISO yokuxhumeka kwamanethiwekhi ekhompyutha).

Izinga 7 libhekisa ezingeni elichaza, lihlaziye futhi lihlole imigomo okufanele isetshenziswe idatha yokushintshanisa, njengama-imeyili, amafayela we-FTP, amakhasi ewebhu (i-HTTP), phakathi kwabanye. Lokho wukuthi, balawula uhlobo lwephrothokholi okufanele isetshenziswe. Isibonelo, ukufinyelela kwamanye amakhasi wewebhu kungavinjelwa kusetshenziswa leli thuluzi. Enye yezingilazi zomlilo ezivelele kakhulu ngaphakathi kwalolu hlelo yiSonicwall neTinySoft.

Sithola ne- Izicishamlilo zomuntu siqu, okuyilawo afakwe kwikhompyutha njenge-software, bese ehlunga imininingwane phakathi kwekhompyutha kanye nayo yonke inethiwekhi.
Phakathi kwezinzuzo nobubi bokuba ne-firewall kukhona okulandelayo:

Izinzuzo:
uku. Ukuvikelwa kwemininingwane eyimfihlo: Chaza ukuthi ibaphi abasebenzisi benethiwekhi nokuthi yiluphi ulwazi ngamunye wabo azoluthola
b. Ukufinyelela kokufinyelela: Chaza ngokuqondile izivumelwano ezizosetshenziswa
c. Ukuvikelwa kokungena ngaphakathi: Kuvikela abantu bangaphandle ngokuvimbela ukufinyelela kunethiwekhi.

nebubi:
uku. Akuvikeli ekuhlaselweni okungadluli kudonga lomlilo.
b. Akuvikeli izinsongo nokuhlaselwa okuvela kubasebenzisi abanganaki.
c. Akuvikeli ekukopisheni idatha ebalulekile uma itholakele.
d. Akuvikeli ekuhlaselweni kobunjiniyela bezenhlalo (ukuhlaselwa ngezindlela ezisemthethweni. Isibonelo, umhlaseli uthinta isisulu esizenza njengomsebenzi wasebhange, futhi ucela imininingwane eyimfihlo, ngokwesibonelo, imininingwane yekhadi lesikweletu, ngenhloso yokuvuselela leli khadi elishiwoyo)