ZyXEL Communications MAX-200M1 Series, Руководство пользователя

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ZyXEL MAX-200M1 Series User’s Guide
188 Chapter 18 Logs
Remote Management: SSH denied Attempted use of SSH service was blocked according to
remote management settings.
Remote Management: ICMP Ping
response denied
Attempted use of ICMP service was blocked according to
remote management settings.
Remote Management: DNS denied Attempted use of DNS service was blocked according to
remote management settings.
Table 74 ICMP Notes
TYPE CODE DESCRIPTION
0
Echo Reply
0
Echo reply message
3
Destination Unreachable
0
Net unreachable
1
Host unreachable
2
Protocol unreachable
3
Port unreachable
4
A packet that needed fragmentation was dropped because it was set to Don't
Fragment (DF)
5
Source route failed
4
Source Quench
0
A gateway may discard internet datagrams if it does not have the buffer space
needed to queue the datagrams for output to the next network on the route to the
destination network.
5
Redirect
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
8
Echo
0
Echo message
11
Time Exceeded
0
Time to live exceeded in transit
1
Fragment reassembly time exceeded
12
Parameter Problem
0
Pointer indicates the error
13
Timestamp
0
Timestamp request message
14
Timestamp Reply
Table 73 Remote Management Logs
LOG MESSAGE DESCRIPTION