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Title:

Protocol

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TCP/IP Tranmission Control Protocol /Internet Protocol ... (Layering) TCP/IP ... Novell Netware Sun Solaris Microsoft Windows Server ... – PowerPoint PPT presentation

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Title: Protocol


1
Protocol
?????????? OSI (Open System Interconnect)
11
2
OSI Layer
Application Layer ????????? Application
????????????????????????????????????????? ????
?????? E-mail, ??????? Website ??????? Presentati
on Layer ??????????????????????????????????????
?????????????????????????? ?????????????????????
??????????????????????????????????
??????????????????????????????????????????????
?????? Session Layer ??????????????????????????
????????????????????????????????? ????
???????????????????????????? ?????????????????????
??
12
3
OSI Layer
Transport Layer ???????????????????????????????
???????Process??????????????????
????????????????????????Packet????????????????????
??????????????????? Network Layer
?????????????????????????????????????????????? ??
??????????????? Router Data Link Layer
??????????????????????????????????????????????????
???????? ??????????????????? Frame
????????????????? Switch
13
4
OSI Layer
Physical Layer Layer??????? ???????????????????
????????????????????? ??? 0 ??? 1
????????????????????? ?????????????????, Hub
14
5
Connecting Devices OSI Model
15
6
TCP/IP
  • Tranmission Control Protocol
  • /Internet Protocol

7
????????????????????????? TCP/IP
  • TCP/IP ???????? Tranmission Control Protocol /
    Internet Protocol
  • ???????? TCP/IP ?????????????????????????????????
    ????????? 1960 ???????????????????????????????????
    ????????????????????????????????????
    ??????????????????????????????????????????????????
    ??? ??????????????????????????????????????????????
    ?? ???????????????????????????????????????????????
    ?????????? ???????????????????????????????????????
    ??? ????????????????????????????????? ??????????
    90 ?????????????????????????? ????????????????????
    ???????????????????????

8
??????????? (Layering)
  • TCP/IP ??????????Protocol???????????????Protocol??
    ?????????
  • ?????????????????????????????????????????
    (layer) ??????????????????????????????????????????
    ???????????????????
  • ???????? TCP/IP ??????????? 4 ??????? ??????

Application
Transport
Network
Link
9
????????????????????????????Layer
  • 1. Link Layer ??????Device Driver???????????????
    ??????????????????????????????????????????????????
    ????????????????????????? ???????????
    ??????????????????????????????????????????????????
    ?????????? Protocol???????? ???? Ethernet ???
    SLIP
  • (Serial Line Internet Protocol)
  • 2. Network Layer ????????????????? ???
    ??????Network ?????????????????????????????????
    Protocol???????? ?????? IP , ICMP, IGMP
  • 3. Transport Layer ??????????????????????????????
    ???????????????(Host)????????
  • Host ???????????????????????Application Layer
    ????????????? ??Protocol????????????Layer??????
    TCP ??? UDP ??????????????????????????????????????
    ?????????
  • 4. Application Layer ????Layer???????Application?
    ???????Protocol?????????????? ????????????????????
    ???????

10
TCP/IP
TCP/IP (Transmission Control Protocol/Internet
Protocol
OSI Reference Model OSI Reference Model TCP/IP TCP/IP TCP/IP TCP/IP
7 Application Application FTP, Telnet, HTTP, SMTP, SNMP, DNS, etc. FTP, Telnet, HTTP, SMTP, SNMP, DNS, etc. FTP, Telnet, HTTP, SMTP, SNMP, DNS, etc.
6 Presentation Application FTP, Telnet, HTTP, SMTP, SNMP, DNS, etc. FTP, Telnet, HTTP, SMTP, SNMP, DNS, etc. FTP, Telnet, HTTP, SMTP, SNMP, DNS, etc.
5 Session Application FTP, Telnet, HTTP, SMTP, SNMP, DNS, etc. FTP, Telnet, HTTP, SMTP, SNMP, DNS, etc. FTP, Telnet, HTTP, SMTP, SNMP, DNS, etc.
5 Session Host-to-Host TCP UDP UDP
4 Transport Host-to-Host TCP UDP UDP
3 Network Internet ICMP, IGMP IP ICMP, IGMP IP ARP, RARP
2 Data Link Network Access Not Specified Not Specified Not Specified
1 Physical Network Access Not Specified Not Specified Not Specified
16
11
TCP/IP Layer
Application Layer ?????????????????????????
(Remote Access) ????????????????????????
???????????????????? - HTTP (Hypertext Transfer
Protocol) - SMTP (Simple Mail Transfer
Protocol) - POP (Post Office Protocol) - IMAP
(Internet Message Access Protocol) - FTP (File
Transfer Protocol) - Telnet
17
12
?????????????????????????Layer (???)
  • SMTP (Simple Mail Transfer Protocol)
    ????????????????????????????
  • ???????Host
  • Telnet ????????????????????????????
    ????
  • HTTP (Hypertext Transfer Protocol)
    ????Protocol??????????????????
  • Webpage ???????Browser???
  • Web Server
  • POP (Post Office Protocol) ?????????????????????
    ??????
  • Mail Server???????????????

  • Mail Client (PC) ?????????

13
TCP/IP Layer
Host-to-Host Layer ??????????????Session ???
Transport ?????????????????????? - TCP
(Transmission Control Protocol) ???????????????
Connection Oriented - UDP (User Datagram
Protocol) ??????????????? Connectionless
??????? 2 Protocol ??? ????????????????????????
??????????????
18
14
TCP/IP Layer
Internet Layer ???????????????? Network Layer
????? Internet Protocol ???????????? ???????
??????????????????? Router ??????????????????
?????????????? IP ????????????????????????????????
??? - ICMP (Internet Control Message Protocol)
?????????? ???????????????????????????????
?? IP - IGMP (Internet Group Message Protocol)
?????????????? ???????????????????????????
(Multicast)
19
15
TCP/IP Layer
- ARP (Address Resolution Protocol)
??????????? IP (IP Address????????????? Layer 2
(MAC Address) - RARP (Reversed Address
Resolution Protocol) ????? ??????????
ARP Network Access Layer ??????????TCP/IP
???????? ?????????????? ??????????????? TCP/IP
???????????????????????????????????
??????????????? ????? Ethernet ???????
20
16
???????????????????? TCP/IP
  • TCP (Tranmission Control Protocol) - ??????
    Transport Layer ??????????????????????????????????
    ????? ??????????????????? ????????????????????????
    ???? ?????????????????????????????????
  • UDP (User Datagram Protocol) - ?????? Transport
    Layer ???????????????????????????????????????
    ???????????????????????? ?????????????????????????
    ????????????

17
???????????????????? TCP/IP (???)
  • IP (Internet Protocol) - ?????? Internetwork
    Layer ????Protocol
  • ?????????????????????? ??????????????????????
    ????????????????????
  • ??? IP Address ?????????????????????????
    ???????????????????? 0-255 ???? 172.17.3.12
    ?????????????????????? ?????????? Route
    ??????????????????????????????????????
  • ICMP (Internet Control Message Protocol) -
    ?????? Internetwork Layer ????????????????????????
    ?????????????????? IP

18
???????????????????? TCP/IP(???)
  • IGMP (Internet Group Management Protocol)
    ??????Network Layer
  • ????????????????? UDP Datagram?????
    ????????????? ???? ?????????????????????
  • ARP (Address Resolution Protocol) - ?????? Link
    Layer ??????????????????????? IP Address
    ???????Address??? Network Interface ???????? MAC
    Address ????????????????????? MAC Address
    ?????????????????? Hardware Interface
    ??????????????????? MAC Address ?????????
    ?????????????????? 16 ??? 6 ???? ????
    234345AF3D78 ??? 3 Byte??????????????????????
    ? ??? 3 Byte??????????????????????????

19
???????????????????? TCP/IP(???)
  • RARP (Reverse ARP) ??????Link Layer???????
    ?????????????????????? ARP ???????????????????????
    ???? Network Interface ??? ????????????????????
    IP Address

20
???????????????????????????? TCP/IP

21
IP Header
  • IP Header
  • ???????????????????????????? Transport Layer
    ???????Network Layer ????????? Encapsulate ??? IP
    Protocol ???????????????? Header ???? Header ???
    IP datagram ?????? 20-32 ???? ?????????????????
    ????????????

22
????? IP Header
23
IP Routing
  • IP Routing
  • ?????????????????????????????????????????????
    ??????????????????????????????????????????????????
    ??????????? ???????????????????????? IP
    ??????????????????????????????????????????????????
    ????????????????????????????????

24
????????? Routing
25
??????????????? ARP
  • ??????????? ARP ???????????????????? ??????? 2
    ??????????????????
  • 1. ??????????????????????? MAC Address ??? ARP
    packet ???????? ARP Request ????????? IP , MAC
    Address ???????? ??? IP Address
    ???????????????????????? MAC Address ???? MAC
    Address ??????????? ??????????????
    FFFFFFFFFFFF ???????? Broardcast Address
    ???????? ARP packet ??????????????????????????????
    ?????????????????????????

26
??????????????? ARP
27
??????????
28
????????? ICMP
  • 1. Query ???????????????????????? ???????? 4.1
    ?????????? Echo request ???????????????????????
    ????????????????????????????? ????????????????????
    ?????? Echo Reply ??????

29
Error Report
  • Error Report ?????????????????????????????? ????
    ???????????????????????????????????????
    ????????????? ICMP Message Host Unreachable
    ????????????????????? (?????? 4.2)

30
TCP/IP NETWORK
  • ??????????????????????????????????????????????????
    ?? IP Address ????????????????????????????????????
    ????????????????????????????????????????????????
    IP Address ?????
  • ?????? IP Address ?????????????????? 3 ???? ???
    Class A , Class B, Class C

31
IP Internet Protocol
  • IP ??????????????????????????????????????????????
    ??????????????????????????????????????????????
    ??????????????? TCP/IP Suit ???? TCP ,UDP, ICMP
    ?????????????????????????? ????????????????????
    IP ??????????????????????????????????????
    ??????????? ??????????????????????????????????????
    ?????????????????? ???????????????????????????????
    ??????????????????????????????????????????????????
    ??????????????????? ??????????????????????????????
    ?????????????? IP ????????????? IP
    ??????????????????????????????????????????????????
    ?????????

32
????????? IP ??????????????????????????????????
????????????????? ????????????????? IP
??????????????? Unreliable ??? connectionless
(?????????????????????????????????????????????????
??????????????????????????????????) ?????? IP
????????? 2 ????????? ??????? ????????????????????
????? IP ?????????????????????????????????????????
????????????????????? ????????????????????????????
???????????????????? ?????????????????????????????
???????????????????????????????????
???????????????? IP ????????????????????????
???????????????????????????????
???????????????????????????????????
??????????????????????????????????????????????????
?????????? ????????????????????????????????????
??????????????????????????????????????????????????
? ?????????????????????????????????????????
??????????????????????????????????????????????????
?????????
33
??????? IP ???????????????????????? IP
???????????????????????????????? 32 ????? 1
??????????????????????????? 4 ???? ?????? 8
??????????? ??????????????????????????????????????
??????????????????????????????????????????????????
???????????????????????????????????? 0 ????? 28-1
255 ????????????192.10.1.101 ??????? ?????? IP
Address ??????????????????????????????????????????
??????????????????????????? ??????????????????????
????????????????????????? 4 ??????????????
?????????????????????????????????? IP Address
???????????????????? 1 ???????????????????????????
???????????????? 2 ???? ??? ??????????????????????
???????? (Network Number) ??????????????????
???????????????????????????????????????????(Host
Number) ??????????????????????????????????????????
?????????????????????? ???????????????????????????
????????????????????????????????????????????????
Network ????????????? IP Address ???????????????
34
????????IP
Address?????????? ??????????????????????????
IP Address???Router??????????????????????????????
???????? ??????????????????????? IP
Address?????????????????????????????????????????
????????? ????????????????
35
IP Address???? IP Address??????? IP
Address????????????????RouterTable????????????????
??? ??????????????????????????????????????????????
???????????????????????????????????? ?
????????????????????? ???????????????IP
Address???????????????????????????????????????????
???? 1.?????????????????????????IP
Address?????????????????????????????????????????
2.??????????????????????????????????????????????
???????????? IP Address??????????????????????????
???????????
36
IP Address????? IP Address?????"
??????????????? "????????" IP?????????????????????
?????????????? ????????????? "Private IP Address"
????????????????? ??????????? .???????????????????
????????????????? ????????????????????????????????
??????????????????????????????????????????????????
????????????????????????????????????
37
??????????? (Class) ??? IP Address
  • ???????????????? A ??????? E ?????????????????????
    IP Addres ???????????????????????????????????

38
??????????????????????????? CLASS
????????????????????? ?????????? 32 ???
  • ??????????????????????? 5 ?????
    ??????????????????????????? 3 ????? ??? Class A
    Class B ,Class C ???????????????????????????????
    ????????????? ????????????????????????????????????
    ??????????????????? ??????????????????? Class A
    ????????????????????????????????????????????
    Class B ??? Class C ???????? ??????? IP ???
    Class A ???????????? 0 ??????????????????????
    (Network Number) ???? 7??? ??? ???????????????????
    ???????????(Host Number) ???? 24 ???
    ???????????????????????? Class A
    ???????????????????????????????????? 224 16
    ??????????? ????????????????? ???????????????????
    ????? Class A ?????????????? ???????????? 128 ???
    ??????????????? ??????????????????????????????????
    ????????????????? 128 ????????????????? ??????
    Class B ??????????????????????? 14 ???
    ??????????????????????????????? 16 ???(??????? 2
    ??????????????????????????????????? 102)
    ????????????????????????????????????????? Class B
    ?????????? Class A ??????????? 214 16000
    ?????????

39
?????????????????????????????????????????????????
????? Class B ???????????????????? 216 ????
??????? 65000 ??????? ??????? ??? Class C
?????????????????????????????????? 8 ???
???????????????????????? 21 ???
?????????????????????????????? 1102 ?????????
?????????????? Class C ???????????????????????????
????????????? 254 ???????????????????????(28 256
????????? ?????????? 0 ??? 255 ??????????????
????????????? 254) ??????? ?????????????????????
??????????????????????????????? Class
?????????????????? IP Address ??????????( ????
Network)??? Class A ???? Network address
??????? 0 ??? 127 (?????????? 0 ????) Class B
???? Network address ??????? 128 ??? 191
(????????????????102????????) Class C ????
Network address ??????? 192 ???
223(????????????????1102????????)
40
??????? IP Address ?????????
Class Range
A 0.0.0.0 127.255.255.255
B 128.0.0.0 191.255.255.255
C D E 192.0.0.0 223.255.255.255 224.0.0.0 239.255.255.255 240.0.0.0 255.255.255.255
41
???? ????????????????????????????????????????????
IP ?????? 181.11.82.22 ?????? 181.11
?????????????????????? Class B ???????????????????
?????? ????? 2 ?????????? 181.11
?????????????????????????? 82.22 ????????? IP
Address ???? 192.131.10.101 ??????????????????????
??????????????????????????? Class C
?????????????????? 3 ??????? ??? 192.131.10
????????????????????????? 101???????
42
IP Addressing
IP Address (???????????) ???????????????????????
???????????????????????????????????
????????????????????????????????
????????????????????????? Layer 3
???????????????????????????????????????????
??????????????????????????????????????????????????
????????????????? ???????????????? IP
???????????????????????????????????? Version 4
?????????????? ??? IPV4 ???????????? 32 ???
???????????????? Dotted Decimal Notation
21
43
IP Address, Internet Address
22
44
IP address/In Decimal Notation
23
45
Internet Class
24
46
Class Range OF Internet Address
25
47
Internet Class
26
48
?????? IP ADRESS ???? CLASS
  • ?????? 1 ?????????????????????????????

49
Reserved IP ,Private IP
  • A 255.0.0.0 10.0.0.0 - 10.255.255.255
  • B 255.255.0.0 172.16.0.0 - 172.31.255.255
  • C 255.255.255.0 192.168.0.0 - 192.168.255.255

27
50
Protocol Loopback
127.0.0.1 ?????????????? Host ????????????????????
???????? ???????????????????? ???????????????????
???????????????? - ??????????????????????????????
???????????????? ?????????????????????????????????
???????????????? ?????????????????????????????????
?
28
51
Private/Public Internet
?????? ?????????? ??????????
A 10.0.0.0 10.255.255.255
B 172.16.0.0 172.31.255.255
C 192.168.0.0 192.168.255.255
IETF (Internet Engineering Task Force)
????????????????????????????????????????????????
?? Http//www.iana.org/assignments/ipv4-address-sp
ace
29
52
??????????????????????????
  • ?????? 2 ??????????????????????????

53
??????????????????????????????????????????????????
?????????????????????????
  • ?????? 4 ??????????????????????
  • ??????????????????????? ??????????? 273
    ??????????????? ???? A 10.0.0.0 - 10.255.255.255
    (1 ???) ???? B 172.168.0.0 - 172.31.255.255 (16
    ???) ???? C 192.168.0.0 - 192.168.255.255 (256
    ???)

54
Subnet and Subnet Mask
- Subnet ??????????????????????????????????????
???????????????????? Router ???? Gateway
???????????????? ? - Subnet Mask ??????????????
??????????????????????????????????
??????????????????? Subnet Mask
???????????????????????????? 32 ???
30
55
Subnet and Subnet Mask

Class NetMask Dot Decimal
A 11111111 00000000 00000000 00000000 255.0.0.0
B 11111111 11111111 00000000 00000000 255.255.0.0
C 11111111 11111111 11111111 00000000 255.255.255.0
31
56
?????? 3 ???? IP Address??????????????
???Leased Line
  • ??????????????????????Router?????????????????Lease
    d Line
  • ?????????????????Leased Line??????????????????????
    ????????????????? IP Address ?? 2
    ??????????????????????
  • IP Address ??? LAN (???????? ?????????????????????
    ?)
  • IP Address ???WAN (????IP?????? ????????Router)

57

?????????? TCP/IP ???????
steb by steb
58
?????????? 1 ?????????????????????????????????????
???????????? protocal TCP/IP ???????????? ???
????????? Start -gt Settings -gt Control Panal -gt
Network ??????????? TCP/IP ????? click ???????
Add
59
????? Protocal
60
????? microsoft ??????????? ????????? TCP/IP
?????????? Click ???? OK
61
????????????? TCP/IP ?????????? Properties
???????????????? ???????????? Gateway
203.148.248.1
62
??? ????????????????????? Host rangsit Domain
rsu.ac.th DNS Server Search 203.148.248.2 Add
???????????????????? 203.148.248.3 Domain Suffix
Search rsu.ac.th ???????????????????????????
?????? OK ???????????????????????? Restart
windows ????????
63
?????????? 2??????? Dial-up Networking Start -gt
Program -gt Accessories -gt Dial-up
Networking ???????????????????????????????????????
???????????? windows95 ????????? windows 95
???????????????? ???????????????????????????????
Start -gt Control Panel -gt Add/Remove Programs -gt
Windows Setup -gt Communications -gt Details -gt
Click Checkbok Dial-up Networking ????????? OK
?????? Ok ???????????????????????? Dial-up
Networking ????????? ???????????????????? Dial-up
Networking ????? make new connection
64
????? configure....
65
????????? Option ??????????????????? Bring up
terminal window after dialing ?????? OK ???? Next
????????????????
66
(No Transcript)
67
(No Transcript)
68
????????????mouse?? icon ???????????? properties
69
??????????????? properties ??????????????
?????????????? server type
70
(No Transcript)
71
????????????????????????????? Server Assigned
????? ????????? Server assign IP Address ????????
72
double click ??? icon ?????????????????????
connect ????? connect ????? server
????? Connect ????????????????????????????????????
?? ??? ???????? Enter ???????? 3 - 4 ?? ?????????
login ????? ??? login ?????????????? enter
Password ????? password ?????? ?? enter ???????
???mouse ??????????? Continue ?????? F7 ????????
connect ??????????????????????????????????????????
?????? ???? netscape , mirc , ws_ftp , Telnet
73
32
74
Building1
Adminis
LIBRARY
Domitory
HUB
HUB
HUB
HUB
LAW
SWITCH
TECHNO
SWITCH
ROUTER 203.170.235.1
SERVER FARM PROXY 203.170.235.4
172.16.0.4 MAIL 203.170.235.2
172.16.0.2 WWW 203.170.235.4
INTERNET
ISP
33
75
???????????? Firewall Protect
????????????????????????????????
????????????????????????????????????????????
???????????????????????? ???? Rule
????????????????????????????????????????
?????????????????? Packet Rule Base
?????????????????????????-??????????????????
????????? Access Control ????????????????????????
??????-?????????
34
76
????????? Firewall Hardware Firewall ????
Symantec Internet Gateway Security ???
Norton Access Software Control ???? ISA ???
Microsoft
35
77
ROOT
.COM .NET
.ORG
.TH
.AC
.CO
.CPU
36
WWW.CPU.AC.TH
MAIL.CPU.AC.TH
78
Root DNS server
2
3
Recursive query
Whats the IP of www.google.co.th
4
1
5
.th DNS server
10
DNS server
6
8
Interactive query
7
9
google.co.th DNS server
co.th DNS server
37
79
WWW.GITEX.CO.TH
http Request
http Response
http Request
INTERNET
http Response
38
80
WEB SERVER
http Request http Response
http Request http Response
INTERNET
PROXY SERVER
http Request http Response
http Request http Response
WEB SERVER
39
81
Bring to Front
Remote File System
FTP Server
File Transfer
INTERNET
Local File System
FTP Client
40
82
SMTP POP IMAP HTTP
SMTP POP IMAP HTTP
Mail server
Mail server
SMTP
Mail Cleint
Mail Cleint
INTERNET
SMTP
SMTP
Mail server
41
83
NOS ???????????????????????
????????????? NOS - ?????????????????????????
??? (File and Print Services) -
??????????????????????? (Management
Services) - ?????????????????????? (Security
Services) - ???????????????????????????????
(Internet/Intranet Services) -
???????????????????????????????????
(Multiprocessing Clustering Services
42
84
NOS ???????????????????????
Novell Netware Sun Solaris Microsoft
Windows Server Redhat Linux
43
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