Ernestas Kaukėnas MIF IT 3grupė

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Presentation transcript:

Ernestas Kaukėnas MIF IT 3grupė Windows Firewall Ernestas Kaukėnas MIF IT 3grupė

Kada atsirado? 2001 metais pristačius Windows XP buvo apribota ugniasienės versija „Internet Connection Firewall“ 2003 metais išleista Windows Firewall kartų su Windows XP ir Windows Server 2003 2004 metais išleidus Windows XP SP2 buvo pervardinta į Internet Connection Firewall Išleidus Vista, Firewall buvo „upradedintas“ į Windows Firewall Advanced Security

Kam tas Firewall reikalingas? Dėl Internet Connection Firewall nepakankamo atbulinio suderinamumo(Backward Compability), jis buvo labai retai naudojamas. 2001 metų įvykis su Internet Connection Firewall paskatino Windows Firewall atsiradimą.

Blasster Worm(SYN flood((DDoS)) I just want to say LOVE YOU SAN!! billy gates why do you make this possible ? Stop making money and fix your software!! HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVers ion\Run\ windows auto update=msblast.exe

Ką gero Firewall daro? First generation:packet filter( kontraliavo paketų srautus ) Second generation: transport layer aka statefull firewall(rinko daugiau informacijos apie ateinantį paketą, kad toliau nuspręstų jo likimą) Third generation: application layer aka application level firewall(galėjo „suprasti“ tam tikrus protokolus, tokius kaip FTP, DNS, HTTP)

Trūkumai Norint kažką configinti, reikalingos Administratoriaus teisės Naudojant irDA arba DCC jungtis, Windows Firewall negali būti paleistas

Windows API interfaces

Enumerated types NET_FW_POLICY_TYPE NET_FW_PROFILE_TYPE NET_FW_IP_VERSION NET_FW_SCOPE NET_FW_IP_PROTOCOL NET_FW_SERVICE_TYPE

Šaltiniai https://msdn.microsoft.com/en- us/library/windows/desktop/aa366415(v=vs.85).aspx https://msdn.microsoft.com/en- us/library/windows/desktop/aa364679(v=vs.85).aspx https://msdn.microsoft.com/en- us/library/windows/desktop/aa366452(v=vs.85).aspx https://en.wikipedia.org/wiki/Sasser_(computer_worm) https://en.wikipedia.org/wiki/Blaster_(computer_worm) https://msdn.microsoft.com/en- us/library/windows/desktop/aa366449(v=vs.85).aspx https://msdn.microsoft.com/en- us/library/windows/desktop/aa366447(v=vs.85).aspx