Anonymus Logon

WTF je tale Anonymus logon v WinXP?

Successful Network Logon:
User Name:
Domain:
Logon ID: (0x0,0x1EC69)
Logon Type: 3
Logon Process: NtLmSsp
Authentication Package: NTLM
Workstation Name:
Logon GUID: {00000000-0000-0000-0000-000000000000}