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  2. ntoskrnl.exe - Wikipedia

    en.wikipedia.org/wiki/Ntoskrnl

    When called from ntdll.dll in user mode, these groups are almost exactly the same; they trap into kernel mode and call the equivalent function in ntoskrnl.exe via the SSDT. When calling the functions directly in ntoskrnl.exe (only possible in kernel mode), the Zw variants ensure kernel mode, whereas the Nt variants do not. [7]

  3. Bandwidth throttling - Wikipedia

    en.wikipedia.org/wiki/Bandwidth_throttling

    A throttled Comcast user being placed in a BE state "may or may not result in the user's traffic being delayed or, in extreme cases, dropped before PBE traffic is dropped". Comcast explained to the FCC that "If there is no congestion, packets from a user in a BE state should have little trouble getting on the bus when they arrive at the bus stop.

  4. Background Intelligent Transfer Service - Wikipedia

    en.wikipedia.org/wiki/Background_Intelligent...

    Background Intelligent Transfer Service (BITS) is a component of Microsoft Windows XP and later iterations of the operating systems, which facilitates asynchronous, prioritized, and throttled transfer of files between machines using idle network bandwidth.

  5. Windows Native API - Wikipedia

    en.wikipedia.org/wiki/Windows_Native_API

    When called from ntdll.dll in user mode, these groups are almost exactly the same; they execute an interrupt into kernel mode and call the equivalent function in ntoskrnl.exe via the SSDT. When calling the functions directly in ntoskrnl.exe (only possible in kernel mode), the Zw variants ensure kernel mode, whereas the Nt variants do not. [1]

  6. IP address blocking - Wikipedia

    en.wikipedia.org/wiki/IP_address_blocking

    Unix-like operating systems commonly implement IP address blocking using a TCP wrapper, configured by host access control files /etc/hosts.deny and /etc/hosts.allow.. Both companies and schools offering remote user access use Linux programs such as DenyHosts or Fail2ban for protection from unauthorized access while allowing permitted remote access.

  7. Help:I have been blocked - Wikipedia

    en.wikipedia.org/wiki/Help:I_have_been_blocked

    Problem with your editing or Wikipedia behavior (under any account or IP address) - your account or a connected IP has been used in a problematic way or there is a concern about your editing. Problem with your username - your username was unsuitable and has been blocked; you need to choose another before continuing.

  8. Architecture of Windows NT - Wikipedia

    en.wikipedia.org/wiki/Architecture_of_Windows_NT

    The Windows NT operating system family's architecture consists of two layers (user mode and kernel mode), with many different modules within both of these layers.. The architecture of Windows NT, a line of operating systems produced and sold by Microsoft, is a layered design that consists of two main components, user mode and kernel mode.

  9. Dynamic DNS - Wikipedia

    en.wikipedia.org/wiki/Dynamic_DNS

    Dynamic IP addresses present a problem if the customer wants to provide a service to other users on the Internet, such as a web service. As the IP address may change frequently, corresponding domain names must be quickly re-mapped in the DNS, to maintain accessibility using a well-known URL.