And seperate network in same subnet in router.
ISA network client use seperate network share resource.
\\[comnputername or IP] is not connection.....
I set ISA
packe filter
1.TCP 139 local:dynamic dst:139
2.NetBIOSUDP 138 local:dynamic dst:138
3.SMB TCP 445 local:dynamic dst:445
and protocol rule is
1. smb(user setting 445)
2. NetBIOS Session
4. NetBIOS Datagram allow
+------------------+------(X)--------------~
| | router
~-+-+-+-+-+------------+
| | | | | |
(Seperate nwtwork) ISA2k