TCP/IP Tutorial and Technical Overview phần 2 ppt
TCP/IP Tutorial and Technical Overview phần 2 ppt
... illustrated in
Figure 3 -22 .
Figure 3 -22 IP: The type byte structure
type
1 byte
type length option data
/ /
/ /
1 byte
length - 2 bytes
1 byte
120 TCP/IP Tutorial and Technical Overview
An exception ... traffic
between subnets.
110 TCP/IP Tutorial and Technical Overview
3 .2. 1 ICMP messages
ICMP messages are described in RFC 7 92 and RFC 950, belong to STD 5,...
TCP/IP Tutorial and Technical Overview phần 3 ppt
...
repeated
}
}
1
1
2
2
2
16
2
2
4
4
4
4
}
}
Authentication
Entry
1 82 TCP/IP Tutorial and Technical Overview
The RIP packet format is shown in Figure 5-4.
Figure 5-4 RIP packet format
A 5 12 byte packet ... Direct 1
N5 R4 2
N6 R4 3
Router R2
Distance Vector
Table
Router R3
Distance Vector
Table
Router R4
Distance Vector
Table
N1
N2
N3
N4
N5
N6
R1
R2
R3
R4
R5
21 2 TCP/IP...
TCP/IP Tutorial and Technical Overview phần 4 pptx
... about the connection protocols
and architectures presented throughout this chapter:
RFC 3344 – IP Mobility Support (August 20 02)
3 12 TCP/IP Tutorial and Technical Overview
different priorities, ... to a special TCP/IP port, the
receivers can make a Wildcard-Filter reservation for all packets with this
destination port.
324 TCP/IP Tutorial and Technical Overview...
TCP/IP Tutorial and Technical Overview phần 5 ppt
... conformance
and performance testing for implementations of IETF IPv6 standards or
RFCs. Interoperability testing is also a key ITS service.
398 TCP/IP Tutorial and Technical Overview
8 02. 11a An ... DSSS.
8 02. 11b Also known as 8 02. 11 High Rate or WiFi. An extension to 8 02. 11 that
applies to wireless LANs and provides 11 Mbps transmission with
fallbacks to 5.5, 2, and...
TCP/IP Tutorial and Technical Overview phần 8 ppt
... Router
Note: WAP -26 1-WTLS -20 010406-a is only the original specification. It has
been updated by specifications WAP -26 1_100-WTLS -20 010 926 -a,
WAP -26 1_101-WTLS -20 011 027 -a, and WAP -26 1_1 02- WTLS -20 011 027 -a.
... in OMA specifications
WAP -21 7-WPKI -20 010 424 -a, WAP -21 7_103-WPKI -20 0111 02- a, and
WAP -21 7_105-WPKI -20 020 816-a.
SEC-Commit: Initiated when t...
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
GG24-3376-07
10 TCP/IP Tutorial and Technical Overview
The client/server ... (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 Overview...
TCP/IP Tutorial and Technical Overview phần 6 pps
... command received.
490 TCP/IP Tutorial and Technical Overview
The Interpret As Command (IAC) character is followed by a command code. If
this command deals with option negotiation, the command ... size
IBM- 327 8 -2 IBM- 327 8 -2- E 24 row x 80 col display
IBM- 327 8-3 IBM- 327 8-3-E 32 row x 80 col display
IBM- 327 8-4 IBM- 327 8-4-E 43 row x 80 col display
IBM- 327 8-5 IBM- 327...
TCP/IP Tutorial and Technical Overview phần 7 doc
... hard line break and an imbedded =0D=0A
6 G 22 W 38 m 54 2
7 H23X39n553
8 I24Y40o564
9 J25Z41p575
10K26a42q586
11L27b43r597
12 M 28 c 44 s 60 8
13 N 29 d 45 t 61 9
14O30e46u 62+
15 P 31 f 47 v ... RFC 22 31 – MIME Parameter Value and Encoded Word Extensions
(November 1997)
RFC 28 21 – Simple Mail Transfer Protocol (April 20 01)
RFC 28 22 – Internet Message Format (April...
TCP/IP Tutorial and Technical Overview phần 9 ppsx
... host
Secure
network
Non-secure
network
epn: Ephemeral port number n
ep1
21
21
ep2
ep4
ep6
ep5
ep3
Outbound
Chapter 22 . TCP/IP security 805
Figure 22 -18 Circuit-level gateway
22 .3.3 Types of firewalls
A firewall consists ... &
authentication
Cleartext
Original
cleartext
Ciphertext
Alice
Bob
cleartext
clea
cle
cleartext
clea
cle
cleartext
clea
cle
808 TCP/IP Tutorial and...
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, ... Identifier Length Type
Data
//
6 6 2 1 1 2 1 1 2
(Bytes)
//
Ethernet Header
8 02. 1x/EAPOL Header
EAP Header
N (Bytes)
894 TCP/IP Tutorial and Technical Overv...