'Kernel memory' presentation slideshows

Implementing Network Security

Implementing Network Security. Ch 19. Network and Sharing Center. Network discovery File and printer sharing Public folder sharing Media streaming File sharing connections Send authentication credentials with 128-bit encryption or older, less secure methods Password protected sharing

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Getting rooted and never knowing it

Getting rooted and never knowing it. The importance of kernel integrity Job de Haas <job@itsx.com>. Overview. The issue Detection How to avoid it? Introducing kmod. What can be done about it?. The issue. root is almighty lots of opportunities to hack root root can change the kernel

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Analyzing and Improving Linux Kernel Memory Protection

Analyzing and Improving Linux Kernel Memory Protection. A Model Checking Approach. ACSAC 2010 Siarhei Liakh, North Carolina State University Michael Grace, North Carolina State University Xuxian Jiang, North Carolina State University. Agenda. About Code Injection Murphi

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BL ACK OPS OF TCP/IP

482 views • 36 slides

Resource Management: Beancounters

Resource Management: Beancounters. Agenda. Current state of resource management in the Linux kernel Beancounters overview User memory management I/O accounting Kernel memory management Network buffers accounting Performance. Current state. Per-process accounting and limiting (rlimits)

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Operating Systems CMPSC 473

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File descriptor table

File descriptor table . Use open(), read(), write() system calls to access files . Open() creates a file and returns fd (minimum value) f d =open(path, O_WRONLY|O_CREAT|O_TRUNC, mode). Think what happens in case of redirection? ls >file. File descriptor table . Updates the FDT

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Lecture Topics: 11/3

Lecture Topics: 11/3. Address spaces Memory protection Creating a process NT style Unix style. Address Spaces. Reserved. An address space is the range of addresses that a process may use The legal address space is the range of addresses that a process may use right now. Text.

275 views • 18 slides

Finding and Avoiding Rootkits on Your Computer

Finding and Avoiding Rootkits on Your Computer

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Exam Feedback

Dave Eckhardt de0u@andrew.cmu.edu. Exam Feedback. A Word on the Final Exam. Disclaimer Past performance is not a guarantee of future results The course will change Up to now: basics What you need for Project 3 Coming: advanced topics Design issues Things you won't implement.

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A Note on malloc() and Slab Allocation

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RTL-8139 experimentation

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What is an O.S.?

What is an O.S.?. Layers of a Computer System Hardware Operating System Utilities Application Programs Services typically provided by an O.S. Program Creation (editor, compiler) Program Execution Access to I/O devices Controlled access to files System Access (logging in)

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