??????? ???????? (ICMP) ????? ?????? ???????

?????? ????????? ?????? ?????????
???? ???????: 170292 - ??? ???????? ???? ????? ????? ??? ???????.
????? ???? | ?? ????

?? ??? ??????

??????

???????? ????? ???? ?????? (ICMP) ??????? ?? ????? ????? ???? ??????? ???????? ??? ????? ??? ????? ?? ?? ????? IP. ??? ICMP ? ????? ?? ???? ?? ??????? ?? ???? ????? ??? ???? ?? ICMP ???? ?? ????? ????? ??????.

??????? ????

??? ??????? ICMPs ?? ??? ????? ??????? ?? ??????? ??????? ???????? ??????? ????????? ?? ??????? ????? ?????? ????? ??????? ?? ??????? ??????? ?? ??????? ???????.

????? ?? ????? ICMP ??? ???? ????? ????? ????? ?????? ??????? ???????. ??? ??? CODE ????? CHECKSUM. ???? ??? ??? ????? ICMP ????? CODE ???? ???? ??????? ??? ????? ??? ??????? ? CHECKSUM ???? ????? ?????? ????? ???????.

??????? ????????:
TYPE   Description
----   -----------
0      Echo Reply
3      Destination Unreachable
4      Source Quench
5      Redirect Message
8      Echo Request
11     Time Exceeded
12     Parameter Problem
13     Timestamp Request
14     Timestamp Reply
15     Information Request (No Longer Used)
16     Information Reply (No Longer Used)
17     Address Mask Request
18     Address Mask Reply
				

?????? ??? ????????

??? ?? ICMP ?????? ????????? ??????? ????? IP ???? ?????? ???? PING. ????? ICMP ??? ???????? ??? ??? 8 ??? ??? 0. ??? ?????? ????? ??? "???" 0 ??? ??? 0.

??? ??????

?? ???? ??? ????? ??????? ???? ??? ????? ICMP "???" ? 3 ???. ???? ?? ???? ??? 3 ICMPs ???? ??? ?? 0 ??? 15:
Type 3
Code
Value   Description
-----   -----------
0       Network Unreachable
1       Host Unreachable
2       Protocol Unreachable
3       Port Unreachable
4       Fragmentation needed and DF (Don't Fragment) set
5       Source route failed
6       Destination Network unknown
7       Destination Host unknown
8       Source Host isolated
9       Communication with Destination Network Administratively Prohibited
10      Communication with Destination Host Administratively Prohibited
11      Network Unreachable for Type Of Service
12      Host Unreachable for Type Of Service
13      Communication Administratively Prohibited by Filtering
14      Host Precedence Violation
15      Precedence Cutoff in Effect
				

??? ????? ??? ??????

????? ??? ???? ICMP ????? ??? ??? 4 ?????? 0. ??? ????? ????? ??? ????? ??? ?????? ????? ???? ?????? ??? ???? ??? ?????? ???? ??? ???????? ????? ??? ??? ??? ??????? ??????. ???? ICMP ??? ???? ?????? ??? ???? ???? ??? ????? ????????. ???? ?????? ?????? ?????? ICMPs ??? ???? ??? ????? ?????? ??? ???? ??????.

????? ????? ???????

????? ?????? ???? ???? ????? ????? ????? ICMP ??? ?????? ??? ???? ?????? ????? ???????? ??? ?????? ?? ??? ???? ????. ????? ????? ??????? ICMPs 5 ??? ????? ?????? ???????? ?????? ??? ??? ????? ??????:
Type 5
Code
Value   Description
-----   -----------
0       Redirect datagrams for the Network
1       Redirect datagrams for the Host
2       Redirect datagrams for the Type of Service and Network
3       Redirect datagrams for the Type of Service and Host
				

????? ?????

??? ??? ???? ??????? ?? ?????? ?????? ???? ??? ???? ?????? ???? ? ???? ????? ?????? ??? ????? ??? 11 ICMP. ????? ICMP ????? ????? ???? ??? ?? 0 ?? 1. ??? ????? ??? 0 ??? ????? ??? ??????? ???? ???????? ??? ????? ??????. ??? ????? 1 ??? ??? reassemble ?????? ??????? ????? ???? ??????.

????? ???????

????? ?????? ?? ???? ???? ?????? ???? ?????? ????? ?????? ??? ?????? ? ??? ????? 12 ICMP. ??????? ??????? ??? ICMP ??????? ??? ???? ?? ?????? ??????. ??? ??? ????? ICMP ???? ?????? ?????? ? ????? ICMP ???? ??? 1. ??? ???? ???? ????? 0 ??? ????? ??? ??? ?????? ??????? ???? ??? ??? ???????? ??????? ??? ?? ?????? ?????.

?? ?????? ?????? ??? & ??????

??? ?????? ?????? "?" ?? ?????? ?????? ????? rudimentary ?????? ????? ??? ????? ??????. ?? ????? ??? ??? ?? 13 ??? ???? 14 ???. ??? ??????? ?????? ????? ????? ???? ????? ??. ????? ?? ??? ????? ????????.

?? ??? ??????? ?????????

?? ????? ??? ??????? ICMP ????? ?????? ???? ????? ?????? ????? IP. ??? ??????? ???? ?? ?? ??? ???????. ?? ???????? ?????? ?????? ??????? ????? IP BOOTP (????? ????????) ? DHCP (???????? ??????? ?????? ??????). ??? ????? BOOTP ?????? RFC1542 ?????? DHCP ?????? RFC1541. ?????? ??? ??????? ??? ????? Microsoft DHCP ?????? ?????? ???? ????? ???????:
??????? (???????? ??????? ?????? ??????) DHCP 169289

?? ???? ??????? ?? ??? ???? ?????

?????? ??????? ????? ????? ???? ?????? ??????? ??? ????????? ??? ?????? ??????? ?? ???????? ???? ??? ICMP ??? 17. ????? ????? ???? ???? ?? ????????? ???? ???? ???? ?? ??? 18 ICMP ???????? ???? ?? ICMP.

?????

?????? ??? ???? ?? ????????? ??? ICMP? ???? RFC950 ? RFC792 RFC1122.

RFCs ?? ??? ?????? ??? ??? ???????? ??? ???:

??? ??? ?? ???? ??????? ???????? ?? NIC ? ???? ???? ?? ??? ???? ?????? (?????? ??? ???? ?? ?????????? ???? NIC@NIC.DDN.MIL). ??? ??? ?????? ?????? ?? ???? FTP ?? Kermit ?? NIC.DDN.MIL ?? rfc/rfc #### .txt ?? rfc/rfc #### .PS (#### ?? ??? RFC ???? ????? ?????).

???????

???? ???????: 170292 - ????? ??? ??????: 05/???/1428 - ??????: 3.3
????? ???
  • Microsoft Host Integration Server 2000 Standard Edition
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Datacenter Server
  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Server 3.5
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Workstation 3.5
  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft SNA Server 1.0
  • Microsoft Windows for Workgroups 3.2
  • Microsoft TCP/IP-32 for Windows for Workgroups 1.0
  • Microsoft Windows 95
????? ??????: 
kbmt kbnetwork KB170292 KbMtar
????? ????
???: ??? ????? ??? ?????? ???????? ?????? ????? ???? ????? ?????????? ????? ?? ????????? ?????? ????. ???? ???? ?????????? ???? ?? ???????? ???????? ?????? ????????? ????? ????????? ???????? ????? ???????? ?????? ?? ?????? ??? ?? ???????? ???????? ?? ????? ??????? ?????? ??? ??????? ?????? ??. ?????? ?? ???? ??? ??????? ???????? ????? ?? ???? ????? ?????? ??? ????? ??? ????? ??????? ?? ????? ?? ?????? ??? ??? ??????? ??????? ?? ????? ????? ????? ????? ?????. ?? ????? ???? ?????????? ??????? ??? ????? ?? ??????? ?? ????? ?????? ?? ??? ????? ?? ????? ??????? ?? ???????? ?? ??? ???????. ???? ???? ?????????? ???????? ??? ????? ?????? ??????? ??????
???? ??? ????? ??????? ?????? ??????????170292

????? ???????

 

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