TCP/IP Tutorial and Technical Overview phần 4 pptx
TCP/IP Tutorial and Technical Overview phần 4 pptx
... about the connection protocols
and architectures presented throughout this chapter:
RFC 3 344 – IP Mobility Support (August 2002)
312 TCP/IP Tutorial and Technical Overview
different priorities, ... data packets to a special TCP/IP port, the
receivers can make a Wildcard-Filter reservation for all packets with this
destination port.
3 24 TCP/IP Tutorial and Technical...
TCP/IP Tutorial and Technical Overview phần 1 docx
... (4. 3BSD) was
distributed in 1986, with updates in 1988 (4. 3BSD Tahoe) and 1990 (4. 3BSD
Reno). 4. 4BSD was released in 1993. Due to funding constraints, 4. 4BSD was
xxiv TCP/IP Tutorial and Technical ...
synonymous with “IP gateway.”
TCP/IP Tutorial and Technical Overview
December 2006
International Technical Support Organization
GG 24- 3376-07
10 TCP/IP Tutor...
TCP/IP Tutorial and Technical Overview phần 2 ppt
... LengthService TypeHLENVERS
149 8 640
3211
116 TCP/IP Tutorial and Technical Overview
Timestamp Request (13) and Timestamp Reply ( 14)
These two messages are for debugging and performance measurements. ... traffic
between subnets.
110 TCP/IP Tutorial and Technical Overview
3.2.1 ICMP messages
ICMP messages are described in RFC 792 and RFC 950, belong to STD 5, an...
TCP/IP Tutorial and Technical Overview phần 3 ppt
...
repeated
}
}
1
1
2
2
2
16
2
2
4
4
4
4
}
}
Authentication
Entry
182 TCP/IP Tutorial and Technical Overview
The RIP packet format is shown in Figure 5 -4.
Figure 5 -4 RIP packet format
A 512 byte ... Vector
Table
Router R4
Distance Vector
Table
N1
N2
N3
N4
N5
N6
R1
R2
R3
R4
R5
212 TCP/IP Tutorial and Technical Overview
In this figure, the ASBR is advertising a sing...
TCP/IP Tutorial and Technical Overview phần 5 ppt
... (IPv4)
dst: Workstation A (IPv4)
flow label 64
next
payload length
hops
src: Workstation B
(IPv4-compatible)
dst: Workstation A
(IPv4-compatible)
payload
4
IPv4
Header
40 8 TCP/IP Tutorial and Technical ... A
(IPv4-compatible)
payload
4
nxt :41
src: Workstation B (IPv4)
dst: Workstation A (IPv4)
flow label 64
next
payload length
hops
src: Workstation B
(IPv4-compatible)
dst: W...
TCP/IP Tutorial and Technical Overview phần 6 pps
... 5 24 TCP/IP Tutorial and Technical Overview
long, with the first two digits having specific meanings. See Table 14- 1 and
Table 14- 2 for descriptions of these codes.
Table 14- 1 First digit ...
Synchronization Operation (June 2006)
49 6 TCP/IP Tutorial and Technical Overview
Principle of operation
REXECD is a server (or daemon). It handles commands issued by foreign...
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 I24Y40o5 64
9 J25Z41p575
10K26a42q586
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 /
Base 64
value
ASCII ... Base 64 encoded password. Unfortunately, digest
authentication is not yet supported by all browsers.
5 94 TCP/IP Tutorial and Technical Overview
15.5.3 IMAP4 com...
TCP/IP Tutorial and Technical Overview phần 8 ppt
...
regular basis.
7 14 TCP/IP Tutorial and Technical Overview
19.2 Presence Information Data Format (PIDF)
RFC 3859 – Common Profile for Presence (CPP) defines common semantics
and data formats ... these resources.
712 TCP/IP Tutorial and Technical Overview
Changes to presence information are distributed to subscribers through
notifications. Figure 19-3, Figure 19 -4 a...
TCP/IP Tutorial and Technical Overview phần 9 ppsx
... the
7 84 TCP/IP Tutorial and Technical Overview
e and d are called the public and private exponents, respectively. The public key
is the pair (n,e); the private key is d. The factors p and q ... 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 Overv...
TCP/IP Tutorial and Technical Overview phần 10 ppsx
... vary widely and have advantages and
disadvantages.
898 TCP/IP Tutorial and Technical Overview
Figure 23-6 and Figure 23-7 show sniffer traces for two types of authentication,
EAP-MD5 and PEAP, ...
type
0
Packet body
length
4
Code
3
Identifier Length
4
6 6 2 1 1 2 1 1 2
(Bytes)
(Bytes)
Ethernet Header
802.1x/EAPOL Header
EAP Header
9 14 TCP/IP Tutorial and Te...