TCP/IP Tutorial and Technical Overview phần 6 pps
TCP/IP Tutorial and Technical Overview phần 6 pps
... command received.
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The Interpret As Command (IAC) character is followed by a command code. If
this command deals with option negotiation, the command ...
Synchronization Operation (June 20 06)
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Principle of operation
REXECD is a server (or daemon). It handles commands issued by foreign...
TCP/IP Tutorial and Technical Overview phần 9 ppsx
... developed by IBM. DES operates on 64 -bit blocks
and has a key length of 56 bits, often expressed as a 64 -bit number, with every
810 TCP/IP Tutorial and Technical Overview
IPSec adds integrity checking, ...
(VPNs) overview on page 861 .
Internet/
intranet
H1 H2
Connection
IPSec tunnel
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A hash function that takes a key as...
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... vary widely and have advantages and
disadvantages.
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Figure 23 -6 and Figure 23-7 show sniffer traces for two types of authentication,
EAP-MD5 and PEAP, ... length
Code Identifier Length Type
Data
//
6 6 2 1 1 2 1 1 2
(Bytes)
//
Ethernet Header
802.1x/EAPOL Header
EAP Header
N (Bytes)
894 TCP/IP Tutorial and Technical O...
TCP/IP Tutorial and Technical Overview phần 1 docx
...
synonymous with “IP gateway.”
TCP/IP Tutorial and Technical Overview
December 20 06
International Technical Support Organization
GG24-33 76- 07
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The client/server ... developed, and how it is likely to develop in the
future.
1
xx TCP/IP Tutorial and Technical Overview
TCP/IP and System p:
http://www.ibm.com/s...
TCP/IP Tutorial and Technical Overview phần 2 ppt
... LengthService TypeHLENVERS
1498 64 0
3211
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Timestamp Request (13) and Timestamp Reply (14)
These two messages are for debugging and performance measurements. ... traffic
between subnets.
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3.2.1 ICMP messages
ICMP messages are described in RFC 792 and RFC 950, belong to STD 5, and...
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... Direct 1 Direct 1
B: Unreachable C 4 C 5 C 6 C 11 C 12
C: B 3 A 4 A 5 A 6 A 11 D 11
A: B 3 C 4 C 5 C 6 C 11 C 12
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Figure 5-3 Shortest-Path First (SPF) ... R4
Distance Vector
Table
N1
N2
N3
N4
N5
N6
R1
R2
R3
R4
R5
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In this figure, the ASBR is advertising a single summary route for the...
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... Style
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The traffic conditioner is mainly used in DS boundary components, but it can also
be implemented in an interior component. Figure 8- 16 shows ... router with eight different queues that all have
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When a mobile node moves from its home network and registers itself with a
for...
TCP/IP Tutorial and Technical Overview phần 5 ppt
... functional conformance
and performance testing for implementations of IETF IPv6 standards or
RFCs. Interoperability testing is also a key ITS service.
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802.11a ... to a port address
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IPv4/IPv6 header translation.This technique is intended for use when
implementation of IPv6 is well ad...
TCP/IP Tutorial and Technical Overview phần 7 doc
... break and an imbedded =0D=0A
6 G 22 W 38 m 54 2
7 H23X39n553
8 I24Y40o 564
9 J25Z41p575
10K26a42q5 86
11L27b43r597
12 M 28 c 44 s 60 8
13 N 29 d 45 t 61 9
14O30e46u62+
15 P 31 f 47 v 63 /
Base64 ...
char
Base64
value
ASCII
char
Base64
value
ASCII
char
Base64
value
ASCII
char
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Given these circumstances, this chapter discusse...
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... that groups similar person elements, devices, or services.
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Figure 18-20 HTTP requests using WAP2 and an IP router
18.10 Wireless security
This section briefly ... Router
Note: WAP- 261 -WTLS-200104 06- a is only the original specification. It has
been updated by specifications WAP- 261 _100-WTLS-200109 26- a,
WAP- 261 _101-WTLS-200110...