Учебник по TCPIP
.pdf
RFC 1180 |
BiLiM Systems Ltd. |
5.11
IP .
. ( ) (next hop),
.
5.12
,
.
, .
! . ",
IPEthernet IP Ethernet.
. ICMP (Internet Control Message Protocol) . #
. #
, .
IP- , IP- $ .
IP- . % hosts. &
$ . ! DNS (Domain Name System) $ .
6. UDP
UDP 2 , IP. '
. UDP NFS (Network File System - ) SNMP (Simple Network Management Protocol - ).
UDP (datagram) (connectionless) .
UDP (end-to-end) UDP,
.
UDP , IP.
, - .
6.1
?
! UDP UDP, ( ). ,
( ), , , $ . !
.
", SNMP ( SNMP) 161. "
SNMP, UDP. " $
(well known) SNMP, , 161
UDP .
UDP, $ . ",
5 UDP, 5 UDP. ( .
UDP , , ) .
6.2
IP UDP, UDP. UDP-
UDP IP, UDP. *
, $ , . + UDP . * UDP
Ethernet, . ,
, .
* 0, ( $
) . &
UDP . * UDP ,
, UDP , .
7. TCP
TCP . TCP
, UDP. ,
TCP .
TCP , . , TCP,
FTP (File Transfer Protocol - ) TELNET. TCP X- Window, rcp (remote copy - ) r- . ( TCP
. , TCP
UDP.
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BiLiM Systems Ltd. RFC 1180
UDP TCP.
. , TELNET 23. TELNET ,
23 TCP.
TCP, TCP
( ). ! (virtual
circuit). " TCP. #
- .
TCP, $ ! .
TCP % , ! %. , 5
TCP, 10 ,
% . & ! %
.
TCP % (sliding window) - . '
( ! ). ' % .
% , TCP $ . ( ,
. ) TCP TCP,
.
8.
TCP UDP?
$ . *
. + , ,
. + , TCP. + , UDP . + $
, TCP ,
UDP. + ,
. , !, . + UDP,
. + TCP ,
% ! , % ! .
?
- .
internet ( , TELNET FTP), - ( , X-Windows SNMP).
.
8.1 TELNET
TELNET TCP. , ! -
. # telnet delta,
$ delta.
TELNET - $ . )
% TELNET ! . TELNET
VAX/VMS, UNIX System V.
8.2 FTP
FTP , TELNET, TCP. ( FTP TELNET
, , , ! ! (
).
8.3rsh
Remote shell (rsh remsh) “ ” UNIX ( , UNIX - cp
“ ” - rcp, who - rwho . .).
r* UNIX !
% (trusted) . ,
.
) cc file.c (! C) rsh delta cc file.c. ) file.c delta rcp file.c delta; delta
rlogin delta . .
8.4 NFS
- NFS, Sun Microsystems Inc, UDP,
UNIX . . ! ( $
!). . , % alpha, beta,
$ .
NFS % NFS
, % . NFS
UNIX, NFS .
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http://www.protocols.ru |
RFC 1180 BiLiM Systems Ltd.
8.5 SNMP
SNMP (Simple Network Management Protocol - ) UDP
. ,
. SNMP
! ! . SNMP !, !
.
8.6 X-Window
X Window ! TCP
! !. X Window , " - "
! .
9.
# " ! internet. #
, ! , " .
: arp, route, netstat
ARP: , , , (spoofing)
IP: !, ,
IP: , , ICMP
RIP,
! DNS
10.
[1] Comer, D., "Internetworking with TCP/IP Principles, Protocols, and Architecture", Prentice Hall, Englewood Cliffs, New Jersey, U.S.A., 1988.
[2] Feinler, E., et al, DDN Protocol Handbook, Volume 2 and 3, DDN Network Information Center, SRI International, 333 Ravenswood Avenue, Room EJ291, Menlow Park, California, U.S.A., 1985.
[3] Spider Systems, Ltd., "Packets and Protocols", Spider Systems Ltd., Stanwell Street, Edinburgh, U.K. EH6 5NG, 1990.
11. RFC
$ ; RFC.
12.
TCP/IP , . % "
, ! - ! .
# " , ! ,
(ARP-spoofing) “# ” RFC 11223.
13.
Theodore John Socolofsky
Spider Systems Limited Spider Park
Stanwell Street Edinburgh EH6 5NG United Kingdom
&:
' ( 031-554-9424 ' )*( 011-44-31-554-9424
Fax:
' ( 031-554-0649 ' )*( 011-44-31-554-0649
EMail: TEDS@SPIDER.CO.UK
Claudia Jeanne Kale
12 Gosford Place
Edinburgh EH6 4BJ United Kingdom
&:
' ( 031-554-7432 ' )*( 011-44-31-554-7432
EMail: CLAUDIAK@SPIDER.CO.UK
3% http://www.protocols.ru " . . .
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13 |
http://www.protocols.ru |
BiLiM Systems Ltd. |
RFC 1180 |
BiLiM Systems Ltd.
-
(812) 449-0770 nmalykh@bilim.com
http://www.bilim.com |
14 |
http://www.protocols.ru |