introduction to linux kernel tcp ip protocol stack

CCNA 1 Network Basics - Module 9 TCP/IP Protocol and IP Addressing docx

... application layer of the TCP/ IP model handles high-level protocols, issues of representation, encoding, and dialog control • The Application layer of the TCP/ IP model has protocols to support file transfer, ... standardization of a new generation of IP, often called IPng, was supported by the Internet Engineering Task Force (IETF) IPng is now known as IPv6 Version 3.0 TCP/ IP Model The TCP/ IP model has four layers: ... the capability to remotely access another computer Simple Network Management Protocol (SNMP) – SNMP is a protocol that provides a way to monitor and control network devices, and to manage configurations,...

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Part3: TCP/IP Protocol Suite and IP Addressing pps

Danh mục: Quản trị mạng

... component of the TCP/ IP protocol stack that addresses this basic limitation of IP • An error/information reporting protocol for IP IP header format: Protocol Encapsulation of an ICMP in an IP packet ... Reverse Address Resolution Protocol (RARP) − Determines IP addresses when the MAC address is known Internet layer other protocols • Routing protocols: – RIP/ RIPng (for IPv6) – OSPF v2, v3 – BGP ... offset4fields bit # 23 total length (in bytes) source IP address options (0 to 40 bytes) • more flag 15 16 ECN DS Protocol field: specifying the higher-layer protocol destination IP •Time To Live (TTL)...

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Introduction to TCP/IP

Danh mục: Quản trị mạng

... handshake 13 TCP Acknowledment 14 TCP Acknowledment 15 TCP Sliding Windowing 16 Internet Layer Protocol Field in IP Header Protocol Protocol Number ICMP IP in IP (tunneling) IGRP EIGRP 88 OSPF 89 IPv6 ... your information ready to send.” The following sections describe the two protocols at this layer: – Transmission Control Protocol (TCP) – User Datagram Protocol (UDP) TCP The figure shows the ... control Key Protocols and Port Numbers TCP Telnet 23 SMTP 25 HTTP 80 FTP 21 DNS 53 HTTPS 443 UDP SNMP 161 TFTP 69 DNS 53 10 Internet Layer IP Header 11 Internet Layer Protocol Field in IP Header...

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Tài liệu chương 5:protocol,stack TCP/IP doc

Danh mục: Quản trị mạng

... IP ADDRESS CLASSES IP network address pIP Address nĐịa IP: 32 bit (4 byte) dạng dot number số hexa, ví dụ Google: 216.239.37.99 ... mạng n Tất bit 1: địa broadcast address p IP address classes IP address classes: Class A IP address classes: Class A Class A p bits xác định địa mạng p Dãy IP private 1.0.0.0 đến 127.0.0.0 p Còn ... Lớp A có tới 16,777,214 IP addresses địa cho máy p Bit 10 IP address classes: Class B 11 IP address classes: Class B p2 bits Class B 10 p octets xác định địa mạng p Dãy địa IP private 128.0.0.0...

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the linux tcp ip stack networking for embedded systems

Danh mục: Đại cương

... functions used by both IPv4 and IPv6 and other protocols The directory linux/ net/ipv4 contains IPv4 sources and the protocols TCP and UDP Most of the IPv6 files are in linux/ net/ipv6 The network interface ... Now, to fully appreciate the TCP/ IP protocol suite and how it came to be so widely used, it is helpful to discuss other networking protocols that influenced the development of TCP/ IP Some protocols ... other WAN protocol stacks are interfaced to TCP/ IP the entire stack sits under TCP/ IP s network layer and appears as a Layer interface 2.7 High Level Data Link Protocol X.25 was the first protocol...

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the linux tcp ip stack networking for embedded systems

Danh mục: Đại cương

... functions used by both IPv4 and IPv6 and other protocols The directory linux/ net/ipv4 contains IPv4 sources and the protocols TCP and UDP Most of the IPv6 files are in linux/ net/ipv6 The network interface ... Now, to fully appreciate the TCP/ IP protocol suite and how it came to be so widely used, it is helpful to discuss other networking protocols that influenced the development of TCP/ IP Some protocols ... other WAN protocol stacks are interfaced to TCP/ IP the entire stack sits under TCP/ IP s network layer and appears as a Layer interface 2.7 High Level Data Link Protocol X.25 was the first protocol...

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TCP/IP trong môi trường Unix/Linux

Danh mục: Công nghệ thông tin

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Lab 7.1.9b Introduction to Fluke Protocol Inspector

Danh mục: Quản trị mạng

... Systems, Inc Try each of the buttons and tabs to see the results The Net button shows only network protocols The 323 button refers to the H323 Voiceover IP protocols Look at the Frm (frame) and ... installed, directly to a classroom switch or to a data jack connected to the school LAN Step Start Protocol Inspector EDV program From the Start menu, launch the Fluke Protocol Inspector EDV program ... Systems, Inc Step Stop the capture process To stop the frame capture to look at individual frames use the Stop the menu button or Module | Stop from Once the capture has been stopped, click on...

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Introduction to Fluke Protocol Inspector 2

Danh mục: Quản trị mạng

... resulting window Try each of the buttons and tabs to see the results The Net button shows only network protocols The 323 button refers to the H323 Voice Over IP protocols Look at the Frm (frame) and ... single line is top or bottom of the current window while the arrow with two arrows is top or bottom of the entire list The arrow with the T also moves to the top of the list buttons to perform searches ... Step To stop the frame capture so that we can look at individual frames use the Stop button or Module | Stop from the menu Once the capture has been stopped, click on the Capture View button With...

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Tài liệu Linux Device Drivers-Chapter 1 :An Introduction to Device Drivers ppt

Danh mục: Hệ điều hành

... subsystem with access to the actual interface cable SCSI is a communication protocol between the computer and peripheral devices, and every SCSI device responds to the same protocol, independently ... is plugged into the computer The Linux kernel therefore embeds a SCSI implementation (i.e., the mapping of file operations to the SCSI communication protocol) The driver writer has to implement ... driver The central gathering point for Linux kernel developers is the linux- kernel mailing list All major kernel developers, from Linus Torvalds on down, subscribe to this list Please note that the...

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Tài liệu Căn bản về TCP/IP T CP/IP (Transmission Control Protocol/Internet Protocol) là một bộ pptx

Danh mục: Quản trị mạng

... dùng TCP/ IP làm giao thức cho mạng Windows2000 TCP/ IP tập hợp nhiều protocols, mà số có Protocols chánh sau đây: • • • • • • TCP (Transmission Control Protocol) : Chuyên việc nối ... dùng protocol khác nhau, nên ta Surf the Net, gời/nhận Email download/upload files lúc đường dây điện thoại mà không sợ lẫn lộn Bạn tưởng tượng TCP/ IP protocol Internet, nằm lên phía protocols ... khằng chỗ mở kiện hàng IP (Internet Protocol) : Lo địa chuyển hàng hướng, đến nơi, đến chốn SMTP (Simple Mail Transfer Protocol) : Chuyên việc giao Email FTP (File Transfer Protocol) : Chuyên việc...

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Linux system programming talking directly to the kernel and c library

Danh mục: An ninh - Bảo mật

... file is given a unique file descriptor Conversely, processes can share their file descriptors, allowing a single descriptor to be used by more than one process The kernel does not impose any restrictions ... convention has at least three file descriptors open: 0, 1, and File descriptor is standard in (stdin), file descriptor is standard out (stdout), and file descriptor is standard error (stderr) Instead ... descriptor, abbreviated fd File descriptors are shared with user space, and are used directly by user programs to access files A large part of Linux system programming consists of opening, manipulating,...

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designing bsd rootkits - an introduction to kernel hacking

Danh mục: An ninh - Bảo mật

... domain protocol */ /* protocol number */ /* input to protocol (from below) */ /* output to protocol (from above) */ pr_ctlinput_t *pr_ctlinput; pr_ctloutput_t *pr_ctloutput; /* user -protocol hook ... pr _protocol = pr_flags = pr_input = pr_ctlinput = pr_ctloutput = pr_init = pr_usrreqs = }, 0, &inetdomain, IPPROTO _IP, ip_ init, ip_ slowtimo, ip_ drain, &nousrreqs SOCK_DGRAM, &inetdomain, IPPROTO_UDP, ... by two communicating processes (for example, the TCP/ IP protocol suite) In FreeBSD, a communication protocol is defined by its entries in a protocol switch table As such, by modifying these entries,...

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introduction to kernel methods.

Danh mục: Tin học

... Outline Part I: Introduction to kernel methods Part II: Learning kernel algorithms Part III: Theoretical guarantees Part IV: Software tools page Binary Classiﬁcation Problem ... Other Standard PDS Kernels Gaussian kernels: ||x − y|| , σ = K(x, y) = exp − 2σ Sigmoid Kernels: K(x, y) = tanh(a(x · y) + b), a, b ≥ page 14 Consequence: SVMs with PDS Kernels (Boser, Guyon, ... Support vectors: points along the margin or outliers Soft margin: ρ = 1/w page Optimization Problem (Cortes and Vapnik, 1995) Constrained optimization: w2 + C w,b,ξ m ξi i=1 subject to yi (w...

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Introduction to IP multicast routing

Danh mục: Kĩ thuật Viễn thông

... Systems Lab - 24 - Distance-Vector Multicast Routing Protocol Intra-Domain Protocol of Dense Mode  Construct source-based multicast tree  Depends on RIP, the Unicast protocol  Flood & Prune for ... References  Introduction to IP Multicast Routing-An IP Multicast Initiative White Paper   Multicast Routing Algorithms and Protocols:A Tutorial    Stardust Technologies, ... - Internet Group Management Protocol Exist at IP module of host  IGMP messages       Enables a MR to keep track of group Host membership query Host membership reply Join-group report Leave-group...

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An Introduction to Kernel Patch Protection pptx

Danh mục: Tài liệu khác

... What is Kernel Patching? "Kernel patching" or "kernel hooking" is the practice of using unsupported mechanisms to modify or replace kernel code Patching fundamentally ... ability to utilize hardware assisted security technology, such as a virtual machine hypervisor, to further improve the integrity of the operating system Alternatives to Kernel Patching Clearly, customers ... greatest risk from kernel patching comes from virus and spyware writers that use this technique with malicious intent and to hide their presence Malware authors are motivated to patch the kernel because...

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A Professional''''s Guide To Data Communication In a TCP/IP World pptx

Danh mục: Quản trị mạng

... Internet protocol ICMP Internet control message protocol IGMPInternet group management protocol ARP Address resolution protocol InvARP Inverse address resolution protocol TCP/ IP protocol stack the ... transfer protocol FTP File transfer protocol Telnet terminal emulation UDP User datagram protocol TCP Transmission control protocol Figure 1.10 IP ARP/InvARP Data link sublayer Physical sublayer IP ... sum bytes bytes bytes TCP header and TCP/ IP frame • TCP 23 Telnet Server; • TCP 25 Simple Mail Transfer Protocol (SMTP); • TCP 80 Hypertext Transfer Protocol (HTTP); • TCP 137 NetBIOS Session...

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Introduction to IP and ATM Design and Performance pptx

Danh mục: Điện - Điện tử

... end users IP is very robust It is the transport-layer protocols, such as the transmission control protocol (TCP) , that make up for the inherent unreliability of packet transfer in IP TCP re-orders ... a deeper insight we refer to [1.1] for a comprehensive introduction to the narrowband Integrated Services Digital Network (ISDN), to [1.2] for a general introduction to ATM (including its implications ... Reservation Protocol (RSVP), Differentiated Services (DiffServ), and Multiprotocol Label Switching (MPLS) are a variety of means aimed at achieving just that BUFFERING IN ATM SWITCHES AND IP ROUTERS...

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Introduction to Dynamic Routing Protocol ppsx

Danh mục: Quản trị mạng

... earliest routing protocols was Routing Information Protocol (RIP) –RIP has evolved into a newer version RIPv2 H RIP h l di t i RIP However, –The newer version of RIP still does not scale to larger network ... Routing protocols are grouped as either -Interior gateway protocols (IGP)Or -Exterior gateway protocols(EGP) Types of IGPs include -Classless routing protocols - th Cl l ti t l these protocols ... Routing Protocol Operation All routing protocols have the same purpose - to learn about remote networks and to quickly adapt whenever there is a change in the topology The method that a routing protocol...

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Introduction to IP and ATM Design Performance - Part 1 potx

Danh mục: Điện - Điện tử

... end users IP is very robust It is the transport-layer protocols, such as the transmission control protocol (TCP) , that make up for the inherent unreliability of packet transfer in IP TCP re-orders ... a deeper insight we refer to [1.1] for a comprehensive introduction to the narrowband Integrated Services Digital Network (ISDN), to [1.2] for a general introduction to ATM (including its implications ... Each packet has a label to identify it as belonging to a particular communication Thus packets from different sources and to different AN INTRODUCTION TO THE TECHNOLOGIES OF IP AND ATM Packet waiting...

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