??????? ?????? ??? ?????? , ?? ????? ?????? ????????? ?????? ??????? ??? ????? ?????? ????? ?????? ??????? ?? ??? ?????? ???? ????? ?? ?????? ???? ?????? ????????? ???????? ??? ?????? ???? ????? ?????? ??? ????? ??????? ?????? ?????? ??? ?????? ??????? ???????? ????? ?? ???????? ???? ?? ???? ???? ????? ???????? ??? ??? ??? ???? ?????? ??????? ?? ???????? ?? ??? ??? ?????? ?????? ????? ???? ?????? ???? ????? .
6-3 ?????????:
??????? ??????? ???????? ??? ??? ?? ?????? ????????? ???? ??????? ??? ????? ??????? ?? ????? ??? ?????? ??? ??? ?? ??? ?????? ???????? ???????? ??? ?????? ???????? ??????? ????????? ????? ?????? ?????? ????? ?????? ??? ??????? ???? ??????? ??? RADIUS ???? ???????? ???? ??????? ?????? ?????? ??????? .
6-3-1 ?????? ????? ?????? 802.11
???? WEP ???? ????? ?????? ?????? ?????? NIC ????????? ????? ?????? ?? ????? ??? ?? ?????? ????? ???? ????? ????? ???? ?????? ???? ???????? ????? ??? ???? ???????? ?????? ???? ??? ???? ???? ???? ????? ?? ????? ??? ???? , ???? ?? ????? ????? ????? ????? ??????? ????????? ?? ?????? ??????? ???????? ??????? ??? ??????? .
????? ???? ?????? ??????? ???? ???? ???? ?? ????? ?? ?????? ??????? ?????? ????? ?????? ?????? SSID ????? ?????? ???????? ??? ???? ?? ????????? ???? ???? ???? ?????? ??????? ??? ??? ?????SSID ?????? ?? SSID ????? ?????? ???? ??? ??????? ??? ????? ????? ????? ???? .
????? ?????? ????? ???????? ?? ????? ?? SSID ???? ???? ??? ???? ??? ???????? ????? ???? ?????? ?????? ????????? ????? ??? ????? ?????? ???? ???????? ?????? ????? SSID ??? ?????? ???????? ??????? ???????? ?? ?????? ????????? ??? ??? ???? ?????? ?? ???? ??? ?????? ??? SSID ???? ???????? ?????? ??? ?? ??? ???? ???? – ??? ??? ?????? ?????? ????????? ???? ????? ??? ??????? SSID ?? ??? ????? ???????? ??????? ?? ????? ?????? ??? ???? ?????? .
???? ??????? 802.11 ???? ????? ??? ????? ???? ?????? ??????? ??? ??? ??????? ???? ???? ?????? ????? ??? ??? ????? . ???? ???? ???? ?????? ???? ??? ????? ??????? ???? ?????? ?????? ??????? ??? ?????? ??? ??? ???? SSID ????? ?? ??????? ?? ???? ?????? .
????? ??????? 802.11 ???? ????? ??????? ???????? ???? ??????? ??? ??? ????? ????? ???? ???? ??????? ??????? ??????? ??? ??????? :
1- ???? ?????? ???? ??? ?????
2- ?????? ???? ?????? ????? ????? ????? ?? ?????? ???? ????? ?? ?????? Challenge Text
3- ???? ?????? ??? ??? ?????? ?? ?????? ???????? ????? ????? WEP ??? . ???? ?????? ?? ?????? ?????? ???? ???? ??? ???? ?????? ???????? ???? ??? ?? ????? ???? ???????? ??????? ????? ???? ?????? ??????? ?? ???? ?????? ??????
4- ??? ????? ??????? ???? ?????? ??? ??? ???? ???? ?????? ??????
???? ??? ????? ???? ?? ??????? ??? ?? ??????? ?? ?? ????? ??????? ???????? ???? ????? ???? ????? WEP ???? ??? .
6-3-2 ?????? MAC :
???? ??? ????? ??????? ????????? ????? Filter ????? ???? ????? MAC ??? ??????? ????? MAC ???? ???? ?????? ????? MAC ?????? ??? ???? ???? ???? ???? ?????? ???? ???? ?? ???? ????? MAC ????? ??????? ??????? ????????? ?? ??? ?????? ???????? ???? ????? MAC ???? ?????? ?? ??????? .
???? ????? MAC ?? ??? ??? ????? ???? ???? ?????? ?? ???? ????? WEP ??? ????? ??? ????? MAC ?? ?????? ??? ?????? ????? ???????? ?? ?????? ?????? ??????? ????? ?? ????? ??????? ???????? ???????? ??????? ????? MAC ??????? ???? ???????? ??????? ??????? ???????? ???? ?? ?? ??? ???? ????? MAC ??????? ?????? NIC ????????? ???? ?????? ????? MAC ?????? ??? ?????? ???? ???????? ??? ?????? ??????? ????? ??????? ??? ???? ?????? ????? ???? ???????? ?????? ??? ????? ??? ?????? .
6-3-3 ??????? ???????? ????? ??????? ????? :
???????? ??? ????? ????????? ?? ????? ???????? ?????? ??????? ?????? ????? ??????? ????? ?????? ????? ??? ????? ???? ?? ????? ???? ??? ??? ????? ??? ?? ???? ??????? ?? ???? ?????? ????? ????? ???????? ?? ????? ?????? ?? ?????? ????? ????? ?????? ?????? ????? ???? ?????? ?????? ?????? .
????? ?????? ????? ?? ???? ????? ????? ???? ??? ?????? ???????? ??????? ????? ??? ???? ?????? ????????? ??? ????? ???? ???????? ????? ?????? ??????? ??? ??? ???? ?????? ?? ?? ??????? ????? ???? ???????? ??????? ???? ??? ??? ?????? , ??? ??? ???? ?????? ????????? ?? ?????? ??????? ????? ???? ??????? ?????? ?? ???? ?? ??? ?????? ???? ????? ??????? ??????.
6-4 ?????? ????? :
????? ???? ??????? ?????? ?????? ??? ?????? ????????? ?? ????? ?????? ???????????? ????? ?????? ?? ???????? ?????? ????????? ????? ???? ????? ????? ????? ??? ??? ???? ????? ?? ???? ??????? ????? ?? ???? ????????? ?????? ????????? ?? ???? WEP ?????? ???? ??????? ?? ?????? ??????? ?????? , ??? ??? ??????? ????? ??? ???????? ?? ??? ???? ??? WPA ?? ?????? ?????? ???? ??????? ????? ??????? ????????? ??????? ??? LEAP ?? EAP-TLS ????????? ??????? .
6-4-1 ????? ??????? :
??? ??? ?????? ????????? , ??? ????? ???????? ?????? ??? ???? ??? ????? ????? ????? WLANs ?? ?????? ????? ?? ??????? ?? ????? ?????? ??????? ?????? ?????? ??? ????? .
????? ??? ????? ???? ?? ????? ?????? ?? ?????? ????? ?????? ?????? ?? ?? ?????? ???? ???? ??? ????? ????? ?? ??????? ??? ???????? ????? ??????? ????? ?????? .
?? ?????? ??? ??????? ??? ??????? ????? ??????? ???????? ?????? ?? ???????? ??? ?????? LAN ????????? ?? ???? ?????? ???? ????? ?? ??? ????? ???????? ?? ???? ???????? ??????? ????? ?????? ??? ????? ??????? ??? ?? ???????? ?? ??? ??? ?? ???? ?? ???? ?????? ??? ???? ?????? ???? ??? ??????? ????? ??????? ??? ?????? ????? ???? ???? ????? ???? ??????? .
6-4-1-1?????? ?????? ????? ???????? :
??? ?????? ???? ?? ?????? ????? ??? ???? ?????? ??????? ?????? ?? ???? ???? ???????? ??? ?????? ????????? ??? ???? ????? ????? ????? ???? ??? ???? ?????? ??????? ?? ???????? ???????? ??? ????? ??? ??? ????? ?????? ??? ??? ?????? ????? ??????? ???????? ??????? ??? ???? ??? ???? ?????? ???? ?? ???? ??? ??? ?????? ??????? ????????? ?????? ??? ????? ?????? .
??? ???? ?????? ??? ??????? ??????? ?????? ?????? ??????? ??? ?? ???? ?? WEP 802.11 ?? ???? ???????? ???? ??? ??????? ?????? ??????? ???? ???????? ???? ??????? ?? ??? IT ?? ?????? ??? ???? ?? ????? ????? ????? ?? ????? ?? ?????? ??????? ????? ???? ????? ??????? ?? ???????? ??? ???? ????? ????? ?? ????? ??? ????? ???? ?????? ??? ?????? ????? ??? ???????? ?????? ???? .
6-4-1-2 ?????? ?????? ??????? :
???? ??? IT ????? ????????? ???????? ?????? ??? ?????? ?????? ???? ?????? ????? ??????? ??? ????? ?????? ???? ?? ????? ???? ???? ??? (????? ) ??? ???? ??? ?????? ????? ???? ???????? ??? ???? ?????? .
???? ??? ???????? ?? ????? ???? ???????? ???????? ??????? ??? ?????? ?????? ??? ???? ?????? ???? ???? ??????? ??? ????? ????? ??????? ??? ???? ?????? ??????? ???????? ??? ??? ??????? ??? ????? ????? ???? ???? ????? ?? ????? ????? ????? ??? ??????? ?????? ???? ???? ??? ???? ??? ?????? ??????? ????? ???? ???????? ???? ???????? ???? ???? ??????? ?????? ????? ??? ???? ???????? ??? ????? ???? ?????? ????? ??????? ???? ????? .
6-4-1-3 ?????? ?? ?????? ??????? ????????? :
???? ?? ????? ??????? ??? ??? ????? ?????? ?????? ????? ????????? ????? ??? ?????? ???? ??????? ??? ???? ?????? ?? ???? ?????? ??? ?????? ????? ????? ??? ?????? ??????? ??????? ?? ????? ????? ????? ?????? ??? ????? ?????? ?? ?????? ???? ??? ??????? ?????? ??? ???? ??? ??????? ????? ????? ??? ???? ?????? ?? ???????? ??????? .
??? ???? ?????? ?? ???? ???????? ???? ????? ??????? ????? ??? ????? ????? ??????? ?????????? ????? ????? ????? ???? ?????? ????? ?? ???? ????? ??????? ???? ????? ????? ???? ??? ????? ??? ??? ????? ?? ???????? ??? ???? ???? ???????? ?? ????? ???? ??????? ?????????? ?????? ???????? ??? ????? ??? ????? ??? ???????? ???? ??? ???? ??? ???? ???????? ??????? ??????? ??????? ???????? ??????? ???? ???? ????? ???? ??? ????? ???? ??????? ????? .
???? ???? ??? ???? ????????? ?????????? ????? ??????? ???? ???? ??? ????? ?????? ??? ???? ????? ????? ??????? ?? ???? ???????? ??? ?????? ????????? ???? ??????? ??????? ??????? ????????? ??? ????? ????? ?????? ????? ?? ???? ???? ??? ??????? ?????? ??? ??? ?? ??? ????? ????? ??????? ?????? ?? ???? ???? ?? ????? ???? ?? ??????? ????????? ?? ???? ??????? ?????? ??? ?? ??????? .
????? ???? ??????? ?????? ?? ???? ?? ??? ??? ???? ?????? ?? ???? ?? ????? ????? ???????? ?????? ?????? ???? ??????? ????? ????? ?? ???? ?? ?????? ????? , ?? ?? ???? ???? ???????? ??? ????? ????? ????? ????? ??????? ???? ????? ??????????? ??????? ??? ???? ???? ????? ??????? ??? ?????? ??????? ????? ?????? ????? ????? ????????? ?????????? ??? ??? ?? ?????? ?? ??? ??????? ??? ??????? ??????? ?? ??? ???? ?? ???? ????? .
6-5 ?????? ????? ?????? :
????? ?? ?? ???? ??????? ?? ??? ???????? ?? ????? ????? ?????? ?? ????? ??? ?????? ??? ??????? ????? ???? ??? ???? ??? ????? ?? ?????? ???? .
????? (5-2) ?????? ????? ??????
6-5-1 ?? ?????????? ?????????? ???? ?????? ??????
????? ??????? ????? ????? (??? ??????)DMZ (Demilitarized Zone ) ??????? ????? ??? ?????? ?????? ??? ?????? ????????? ??????? ??????? . ?? ??? ?? ???? ???? ????? ???? ???????? (VAP) ???? ??? ?????? ??????? ???????? ?????? ???? ???????? ??? ???????? ?? ???? VPN ??????? ???? ???? ?????? ?? ????? ?????? ?? ???? ??? ?????? ??? ????? ?????? .
???? ??????? ?? ?? ?????? ?????????? VPN ????? ?????????? ??? ?? ????? ????? ??????? ??? ??? ??????? ??????? ?? ?????? ??????? ??? ????? ???? ????? ????? ????? VPNs ????? ???? ?????????? ???????? ?? ??????? ??????
6-5-2 ????? ?????? ??????? ????????? :
?? ?????? ????? ??????? ??????? ?????? ????? ?????? ??????? ????????? ??? ????? ?? ?????? ????? ????? ???????? ?? ?????? ????????? , ??? ???? ?????? ?????? ???? ?????? ????????? ????? ??? ??????? ???????? ???? ????? ??? ????? ??????? ????????? ???? ???? ????? ?????? ?? ???? ??? ??? ????? ????? ?????? ???? ?? ??? ???? ??? ??? ???? ???? ????????? ??? ????? ????? ???????? ?? ???? ?????? ?? ?? ????? ???? ????????? ?? ??????? ?? ?????? ??????? ??? ???? ???? .
6-5-3 ??????? ??????? ??????? ??????? :
??? ?????? ???? ???????? ??????? ?? ???? ??????? ?????????? ?????? ??? ????? ????? ?????? ??? ?????? ?????? ???? ??????? Windows ???? ?????? ?? ???? ?????? ??????? ?? ?????? LAN ????????? ????? ???????? ??? ???? ?????? ??????? ???? ??????? ????? ????? ???? ?????????? ???? ????? ?????? ??????? ?????? ???????? ????????? ?? ??????? ?????? ??? ?? ???? ??? ??? ?????????? ?? ????? ???? .
??? ???? ??????? ???????? ?????? ??????? ??? ???????
??????? ???? ??????? alnehary1@yahoo.com
6-3 ?????????:
??????? ??????? ???????? ??? ??? ?? ?????? ????????? ???? ??????? ??? ????? ??????? ?? ????? ??? ?????? ??? ??? ?? ??? ?????? ???????? ???????? ??? ?????? ???????? ??????? ????????? ????? ?????? ?????? ????? ?????? ??? ??????? ???? ??????? ??? RADIUS ???? ???????? ???? ??????? ?????? ?????? ??????? .
6-3-1 ?????? ????? ?????? 802.11
???? WEP ???? ????? ?????? ?????? ?????? NIC ????????? ????? ?????? ?? ????? ??? ?? ?????? ????? ???? ????? ????? ???? ?????? ???? ???????? ????? ??? ???? ???????? ?????? ???? ??? ???? ???? ???? ????? ?? ????? ??? ???? , ???? ?? ????? ????? ????? ????? ??????? ????????? ?? ?????? ??????? ???????? ??????? ??? ??????? .
????? ???? ?????? ??????? ???? ???? ???? ?? ????? ?? ?????? ??????? ?????? ????? ?????? ?????? SSID ????? ?????? ???????? ??? ???? ?? ????????? ???? ???? ???? ?????? ??????? ??? ??? ?????SSID ?????? ?? SSID ????? ?????? ???? ??? ??????? ??? ????? ????? ????? ???? .
????? ?????? ????? ???????? ?? ????? ?? SSID ???? ???? ??? ???? ??? ???????? ????? ???? ?????? ?????? ????????? ????? ??? ????? ?????? ???? ???????? ?????? ????? SSID ??? ?????? ???????? ??????? ???????? ?? ?????? ????????? ??? ??? ???? ?????? ?? ???? ??? ?????? ??? SSID ???? ???????? ?????? ??? ?? ??? ???? ???? – ??? ??? ?????? ?????? ????????? ???? ????? ??? ??????? SSID ?? ??? ????? ???????? ??????? ?? ????? ?????? ??? ???? ?????? .
???? ??????? 802.11 ???? ????? ??? ????? ???? ?????? ??????? ??? ??? ??????? ???? ???? ?????? ????? ??? ??? ????? . ???? ???? ???? ?????? ???? ??? ????? ??????? ???? ?????? ?????? ??????? ??? ?????? ??? ??? ???? SSID ????? ?? ??????? ?? ???? ?????? .
????? ??????? 802.11 ???? ????? ??????? ???????? ???? ??????? ??? ??? ????? ????? ???? ???? ??????? ??????? ??????? ??? ??????? :
1- ???? ?????? ???? ??? ?????
2- ?????? ???? ?????? ????? ????? ????? ?? ?????? ???? ????? ?? ?????? Challenge Text
3- ???? ?????? ??? ??? ?????? ?? ?????? ???????? ????? ????? WEP ??? . ???? ?????? ?? ?????? ?????? ???? ???? ??? ???? ?????? ???????? ???? ??? ?? ????? ???? ???????? ??????? ????? ???? ?????? ??????? ?? ???? ?????? ??????
4- ??? ????? ??????? ???? ?????? ??? ??? ???? ???? ?????? ??????
???? ??? ????? ???? ?? ??????? ??? ?? ??????? ?? ?? ????? ??????? ???????? ???? ????? ???? ????? WEP ???? ??? .
6-3-2 ?????? MAC :
???? ??? ????? ??????? ????????? ????? Filter ????? ???? ????? MAC ??? ??????? ????? MAC ???? ???? ?????? ????? MAC ?????? ??? ???? ???? ???? ???? ?????? ???? ???? ?? ???? ????? MAC ????? ??????? ??????? ????????? ?? ??? ?????? ???????? ???? ????? MAC ???? ?????? ?? ??????? .
???? ????? MAC ?? ??? ??? ????? ???? ???? ?????? ?? ???? ????? WEP ??? ????? ??? ????? MAC ?? ?????? ??? ?????? ????? ???????? ?? ?????? ?????? ??????? ????? ?? ????? ??????? ???????? ???????? ??????? ????? MAC ??????? ???? ???????? ??????? ??????? ???????? ???? ?? ?? ??? ???? ????? MAC ??????? ?????? NIC ????????? ???? ?????? ????? MAC ?????? ??? ?????? ???? ???????? ??? ?????? ??????? ????? ??????? ??? ???? ?????? ????? ???? ???????? ?????? ??? ????? ??? ?????? .
6-3-3 ??????? ???????? ????? ??????? ????? :
???????? ??? ????? ????????? ?? ????? ???????? ?????? ??????? ?????? ????? ??????? ????? ?????? ????? ??? ????? ???? ?? ????? ???? ??? ??? ????? ??? ?? ???? ??????? ?? ???? ?????? ????? ????? ???????? ?? ????? ?????? ?? ?????? ????? ????? ?????? ?????? ????? ???? ?????? ?????? ?????? .
????? ?????? ????? ?? ???? ????? ????? ???? ??? ?????? ???????? ??????? ????? ??? ???? ?????? ????????? ??? ????? ???? ???????? ????? ?????? ??????? ??? ??? ???? ?????? ?? ?? ??????? ????? ???? ???????? ??????? ???? ??? ??? ?????? , ??? ??? ???? ?????? ????????? ?? ?????? ??????? ????? ???? ??????? ?????? ?? ???? ?? ??? ?????? ???? ????? ??????? ??????.
6-4 ?????? ????? :
????? ???? ??????? ?????? ?????? ??? ?????? ????????? ?? ????? ?????? ???????????? ????? ?????? ?? ???????? ?????? ????????? ????? ???? ????? ????? ????? ??? ??? ???? ????? ?? ???? ??????? ????? ?? ???? ????????? ?????? ????????? ?? ???? WEP ?????? ???? ??????? ?? ?????? ??????? ?????? , ??? ??? ??????? ????? ??? ???????? ?? ??? ???? ??? WPA ?? ?????? ?????? ???? ??????? ????? ??????? ????????? ??????? ??? LEAP ?? EAP-TLS ????????? ??????? .
6-4-1 ????? ??????? :
??? ??? ?????? ????????? , ??? ????? ???????? ?????? ??? ???? ??? ????? ????? ????? WLANs ?? ?????? ????? ?? ??????? ?? ????? ?????? ??????? ?????? ?????? ??? ????? .
????? ??? ????? ???? ?? ????? ?????? ?? ?????? ????? ?????? ?????? ?? ?? ?????? ???? ???? ??? ????? ????? ?? ??????? ??? ???????? ????? ??????? ????? ?????? .
?? ?????? ??? ??????? ??? ??????? ????? ??????? ???????? ?????? ?? ???????? ??? ?????? LAN ????????? ?? ???? ?????? ???? ????? ?? ??? ????? ???????? ?? ???? ???????? ??????? ????? ?????? ??? ????? ??????? ??? ?? ???????? ?? ??? ??? ?? ???? ?? ???? ?????? ??? ???? ?????? ???? ??? ??????? ????? ??????? ??? ?????? ????? ???? ???? ????? ???? ??????? .
6-4-1-1?????? ?????? ????? ???????? :
??? ?????? ???? ?? ?????? ????? ??? ???? ?????? ??????? ?????? ?? ???? ???? ???????? ??? ?????? ????????? ??? ???? ????? ????? ????? ???? ??? ???? ?????? ??????? ?? ???????? ???????? ??? ????? ??? ??? ????? ?????? ??? ??? ?????? ????? ??????? ???????? ??????? ??? ???? ??? ???? ?????? ???? ?? ???? ??? ??? ?????? ??????? ????????? ?????? ??? ????? ?????? .
??? ???? ?????? ??? ??????? ??????? ?????? ?????? ??????? ??? ?? ???? ?? WEP 802.11 ?? ???? ???????? ???? ??? ??????? ?????? ??????? ???? ???????? ???? ??????? ?? ??? IT ?? ?????? ??? ???? ?? ????? ????? ????? ?? ????? ?? ?????? ??????? ????? ???? ????? ??????? ?? ???????? ??? ???? ????? ????? ?? ????? ??? ????? ???? ?????? ??? ?????? ????? ??? ???????? ?????? ???? .
6-4-1-2 ?????? ?????? ??????? :
???? ??? IT ????? ????????? ???????? ?????? ??? ?????? ?????? ???? ?????? ????? ??????? ??? ????? ?????? ???? ?? ????? ???? ???? ??? (????? ) ??? ???? ??? ?????? ????? ???? ???????? ??? ???? ?????? .
???? ??? ???????? ?? ????? ???? ???????? ???????? ??????? ??? ?????? ?????? ??? ???? ?????? ???? ???? ??????? ??? ????? ????? ??????? ??? ???? ?????? ??????? ???????? ??? ??? ??????? ??? ????? ????? ???? ???? ????? ?? ????? ????? ????? ??? ??????? ?????? ???? ???? ??? ???? ??? ?????? ??????? ????? ???? ???????? ???? ???????? ???? ???? ??????? ?????? ????? ??? ???? ???????? ??? ????? ???? ?????? ????? ??????? ???? ????? .
6-4-1-3 ?????? ?? ?????? ??????? ????????? :
???? ?? ????? ??????? ??? ??? ????? ?????? ?????? ????? ????????? ????? ??? ?????? ???? ??????? ??? ???? ?????? ?? ???? ?????? ??? ?????? ????? ????? ??? ?????? ??????? ??????? ?? ????? ????? ????? ?????? ??? ????? ?????? ?? ?????? ???? ??? ??????? ?????? ??? ???? ??? ??????? ????? ????? ??? ???? ?????? ?? ???????? ??????? .
??? ???? ?????? ?? ???? ???????? ???? ????? ??????? ????? ??? ????? ????? ??????? ?????????? ????? ????? ????? ???? ?????? ????? ?? ???? ????? ??????? ???? ????? ????? ???? ??? ????? ??? ??? ????? ?? ???????? ??? ???? ???? ???????? ?? ????? ???? ??????? ?????????? ?????? ???????? ??? ????? ??? ????? ??? ???????? ???? ??? ???? ??? ???? ???????? ??????? ??????? ??????? ???????? ??????? ???? ???? ????? ???? ??? ????? ???? ??????? ????? .
???? ???? ??? ???? ????????? ?????????? ????? ??????? ???? ???? ??? ????? ?????? ??? ???? ????? ????? ??????? ?? ???? ???????? ??? ?????? ????????? ???? ??????? ??????? ??????? ????????? ??? ????? ????? ?????? ????? ?? ???? ???? ??? ??????? ?????? ??? ??? ?? ??? ????? ????? ??????? ?????? ?? ???? ???? ?? ????? ???? ?? ??????? ????????? ?? ???? ??????? ?????? ??? ?? ??????? .
????? ???? ??????? ?????? ?? ???? ?? ??? ??? ???? ?????? ?? ???? ?? ????? ????? ???????? ?????? ?????? ???? ??????? ????? ????? ?? ???? ?? ?????? ????? , ?? ?? ???? ???? ???????? ??? ????? ????? ????? ????? ??????? ???? ????? ??????????? ??????? ??? ???? ???? ????? ??????? ??? ?????? ??????? ????? ?????? ????? ????? ????????? ?????????? ??? ??? ?? ?????? ?? ??? ??????? ??? ??????? ??????? ?? ??? ???? ?? ???? ????? .
6-5 ?????? ????? ?????? :
????? ?? ?? ???? ??????? ?? ??? ???????? ?? ????? ????? ?????? ?? ????? ??? ?????? ??? ??????? ????? ???? ??? ???? ??? ????? ?? ?????? ???? .
????? (5-2) ?????? ????? ??????
6-5-1 ?? ?????????? ?????????? ???? ?????? ??????
????? ??????? ????? ????? (??? ??????)DMZ (Demilitarized Zone ) ??????? ????? ??? ?????? ?????? ??? ?????? ????????? ??????? ??????? . ?? ??? ?? ???? ???? ????? ???? ???????? (VAP) ???? ??? ?????? ??????? ???????? ?????? ???? ???????? ??? ???????? ?? ???? VPN ??????? ???? ???? ?????? ?? ????? ?????? ?? ???? ??? ?????? ??? ????? ?????? .
???? ??????? ?? ?? ?????? ?????????? VPN ????? ?????????? ??? ?? ????? ????? ??????? ??? ??? ??????? ??????? ?? ?????? ??????? ??? ????? ???? ????? ????? ????? VPNs ????? ???? ?????????? ???????? ?? ??????? ??????
6-5-2 ????? ?????? ??????? ????????? :
?? ?????? ????? ??????? ??????? ?????? ????? ?????? ??????? ????????? ??? ????? ?? ?????? ????? ????? ???????? ?? ?????? ????????? , ??? ???? ?????? ?????? ???? ?????? ????????? ????? ??? ??????? ???????? ???? ????? ??? ????? ??????? ????????? ???? ???? ????? ?????? ?? ???? ??? ??? ????? ????? ?????? ???? ?? ??? ???? ??? ??? ???? ???? ????????? ??? ????? ????? ???????? ?? ???? ?????? ?? ?? ????? ???? ????????? ?? ??????? ?? ?????? ??????? ??? ???? ???? .
6-5-3 ??????? ??????? ??????? ??????? :
??? ?????? ???? ???????? ??????? ?? ???? ??????? ?????????? ?????? ??? ????? ????? ?????? ??? ?????? ?????? ???? ??????? Windows ???? ?????? ?? ???? ?????? ??????? ?? ?????? LAN ????????? ????? ???????? ??? ???? ?????? ??????? ???? ??????? ????? ????? ???? ?????????? ???? ????? ?????? ??????? ?????? ???????? ????????? ?? ??????? ?????? ??? ?? ???? ??? ??? ?????????? ?? ????? ???? .
??? ???? ??????? ???????? ?????? ??????? ??? ???????
??????? ???? ??????? alnehary1@yahoo.com
