Sida loo reserved brannmur leh gacmahoodu sameeyeen?

Security internetka laga barto ... Mawduuca sanadkan horeba si firfircoon uga hadlayaan warbaahinta ee heerka "jaalle" kala duwan gebi ahaanba luxo xaqiiqda ah in ay fiicnaan lahayd in la siiyo qaar ka mid ah talooyin gaar ah, halkii sheegaya farabadan of cabsi, laakiin sheekooyinka aan aad u la aamini karo.

Waxaan jeclaan lahaa in ay ka hadlaan in yar oo ah, sida loo qotomiyey brannmur a on iyaga u gaar ah, iyagoon maciinsan wax cayn kasta oo gargaar computer.

Waa maxay this

Ka hor inta aan ka hadlo sida loo dhigay, waxaad u baahan tahay in la sameeyo wax yar dalxiiska ah oo wuxuu galay si qoto dheer ee threads ah. Brannmur loo yaqaan barnaamij gaar ah in laga hortago in loo calaanjin galay aad computer ka bixiyo internetka, iyo sidoo kale qaxo tallaabada of korontada spyware in laga yaabaa in dhinaca wareejin macluumaadkaaga shakhsiyeed.

Marka runtii loo baahan yahay?

Ku lidi ah aaminaada, Anonymous xaasidnimo computer shakhsi aad tahay lagama yaabo in ay weeraraan. Dabcan, haddii aad tahay qaar ka mid ah agaasimaha ganacsiga ee bangiga, ka dibna waxa run ahaantii noqon kartaa mid dhab ah, kuwii kale oo dhan ma noqon karaan cabsan gaar ahaan.

Laakiin haddii aad leedahay a "cad» IP (ma firfircoon), aad kor u qaado guriga fudud FTP-server ama la go'aansaday in si ay u kicin website shaqsi mazahizm on computer gurigaaga ... Waxa aad si xaqiiqo ah u iman doontaa brannmur haan!

Sida loo reserved brannmur si sax ah, sidaas darteed wuxuu ku taabtay sida hufan ee suurtogalka ah oo dhan hawlaha loo xilsaaray in ay? Bilowgaba in in la yidhaahdo annagu waxaan nahay on goobaha guud, sida nooca qalab ee suuqa oo aad u badan.

baakadaha goob

Si aad u bilawdo, aan wax uga bedelno doonaa xeerarka la xiriira ka xirmooyin soo socda. Tani waa muhiim, sida caadiga ah firewall outbound naftiisuu xamili (oo ku saleysan sharciyada qoray sameeysa ah).

Mamnuuco oo dhan "correspondence" soo socda (TCP) ee dekedaha ee kala duwan ee 1-1025 iyo 1-1024 safafka loogu talagalay UDP. Maxay sameeyaan? Taasu waa, in ay tahay meesha ay "godad" ugu weyn ee ilaalinta nidaamka qalliinka Windows. Guud ahaan, liiska iyaga fiicnaan lahayd si aad u ogaato ka hor sida reserved brannmur.

U hubso in aad albaabka on TCP 5000, iyo sidoo kale UDP 1900. dabooli Natiijada tallaabooyinka kuwan inta badan dekedaha nidaamka waa ku filan ilaalinta lagu kalsoonaan karo, heerka kaas oo dhergiyaa dhan shuruudaha user celceliska.

Laakiin sida reserved brannmur, Windows 7, taas oo ku siinayaa xataa xirmo aasaasiga ah? Haddii aad samayn in aanu kor lagu sharaxay oo dhan, waxaad ka fiirsan kartaa naftaada si fiican u la ilaaliyo.

Waxa aad u ogaan karaa?

Waxaad ka furan kartaa DNS ah (iyo shirkadda 53 UDP), FTP (TCP 20-21). Haddii ay jirto baahi noocan oo kale ah (gaar http-server), waxa kale oo aad ka furan kartaa TCP ah 80. Ku dhawaad dhammaan baakadaha ICMP si ammaan ah u ogolaan kartaa. A yar trick: haddii aad gab helaan dekedda 80 on kombiyuutarada fog ka ICQ, xaddiga advertising si weyn u dhimi maayo.

Sidaas daraaddeed sida reserved brannmur si fudud loola jeedaa kor lagu sharaxay, ka dibna this dhab ahaan la qabsan bilowga ah xitaa laylis oo gebi ahaanba u hureen. Fiiro gaar ah in midkoodna brannmur ma awoodi doonaan in ay ku buuxin karaan tortuosity gacmaha oo user ee, laakiin maxaa yeelay, mar kale aan soo booqanayn su'aal goobaha ama furan links oo keeni Ilaah wuxuu og yahay meesha!

Sida loo furo brannmur si buuxda? Sida caadiga ah, in goobaha wax kasta oo codsiyada sida waxaa jira hal dhibic si ay "u ogolaan oo dhan" ama wax u eg in. Si aad u maciinsan this sida ugu macquulsan in.