Home
Главная
D-Link
Межсетевые Экраны
DFL-2400
Инструкция по эксплуатации Страница: 71

D-Link DFL-2400 [71/112] The tcp tab

DFL-2100/DFL-2400 Intrusion Detection System User Manual

The TCP Tab

The TCP tab consists parameters for TCP packet header field value settings:

1. Source, Destination Port: Source and Destination port number

2. TCP Size: TCP packet total size.

3. TCP Header size: TCP header size.

4. Checksum: TCP checksum field.

5. SEQ: TCP sequence number.

6. ACK: TCP acknowledgement number.

7. URG Pointer: TCP urgent pointer value.

8. Window size: TCP window value.

9. TCP Flags: URG-urgent, ACK-acknowledgement, PSH-push, RST-reset, SYN-

synchronization, FIN-finish.

Figure 6-10: The ”TCP Tab”

Содержание

Dfl 2100 dfl 2400 1
Intrusion detection system 1
User manual 1
Hardware 2
Limited warranty 2
Software 2
Copyright statement 3
D link offices for registration and warranty service 3
Limitation of liability 3
Limitation of warranties 3
Trademarks 3
Bsmi warning 4
Ce mark warning 4
Fcc warning 4
Vcci a warning 4
Table of contents 5
Overview of this user manual 9
Key features 11
Ntroduction 11
What is dfl 2100 dfl 2400 11
Figure 1 1 dfl 2100 dfl 2400 ids network architecture 12
Network architecture 12
The dfl 2100 dfl 2400 family 13
Install dfl 2100 dfl 2400 14
Nitial 14
Nstallation and 14
Configure the dfl 2100 dfl 2400 15
Figure 2 2 cable connection 15
Install policy server software 15
Getting started 16
Manager 16
Policy server initial screen 16
Setting system parameters 16
Starting the system 16
Figure 2 3 the dfl 2100 dfl 2400 main page 17
Get certification 17
Getting certification 17
The java plug in 17
Figure 2 4 get certification 18
Figure 2 5 dfl 2100 dfl 2400 management system login screen 18
Manage your dfl 2100 dfl 2400 18
Start dfl 2100 dfl 2400 management system 18
Add new dfl 2100 dfl 2400 19
Figure 2 6 dfl 2100 dfl 2400 management main screen 19
Figure 2 7 add a dfl 2100 dfl 2400 dialog 19
Figure 2 8 add policies dialog 20
Load newest defense policies 20
Figure 2 10 download latest attack pattern 21
Figure 2 9 download latest attack pattern 21
Figure 2 11 make sure the defense policies to take effect 22
Summary of steps 22
Dfl 2100 dfl 2400 console ssh system 23
Ommand 23
Help command 24
Help get 24
Help set 24
The command classes 24
Help arp 25
Help netstat 25
Help ping 25
Help reset 25
Get system 26
Help reboot 26
Query command 26
Get log 27
Get time 27
Get interface 28
Get psserver 28
Get snmp 28
Get state 28
Set command 29
Set system 30
Set system detect 31
Set time 31
Set interface 32
Set interface link 32
Set interface stealth 33
Set psserver 33
68 68 48 7596 10 7596 udp 34
Figure 3 1 set policy server sample 34
Figure 3 2 set policy server virtual ip sample figure 3 2 set policy server virtual ip sample 34
Figure 3 3 set private ports service for policy server figure 3 3 set private ports service for policy server 34
Firewall example netscreen 34
Port 7595 and 7596 are private ports for dfl 2100 dfl 2400 management system 34
Set psserver ip 192 68 68 48 34
The firewall or nat must reconfigure port mapping as the firewall or nat must reconfigure port mapping as 192 68 68 48 7595 10 7595 tcp 34
Figure 3 4 firewall must open the private service for dfl 2100 dfl 2400 35
Set snmp 35
Set state 35
Miscellaneous commands 36
Netstat 37
Reboot 38
Anagement 39
Dfl 2100 2400 ids management main screen 39
Dfl 2100 dfl 2400 management system main screen 40
Figure 4 2 dfl 2100 40
Manage dfl 2100 dfl 2400 40
Management system main screen 40
Add a dfl 2100 dfl 2400 41
Figure 4 3 dfl 2100 41
Figure 4 4 add a dfl 2100 dfl 2400 dialog 41
Ids tree view 41
Table 4 tree view icons and descriptions 41
Figure 4 5 modify this dfl 2100 dfl 2400 dialog 42
Modify a dfl 2100 dfl 2400 42
Remove a dfl 2100 dfl 2400 42
Dfl 2100 dfl 2400 configure and setting 43
Dfl 2100 dfl 2400 device information 43
Figure 4 6 dfl 2100 dfl 2400 device information dialog 43
Setting dfl 2100 dfl 2400 parameters 43
Figure 4 7 set device parameters dialog 44
User manage 44
Add new user 45
Figure 4 8 user manage window 45
Figure 4 9 add new user dialog 45
Delete user 46
Edit user 46
Figure 4 10 remove user dialog 46
Figure 4 11 change password dialog 47
Figure 4 12 edit user permission dialog figure 4 12 edit user permission dialog 47
Export books 48
Figure 4 13 export policy and books to policy server dialog 48
Ids management system miscellaneous functions 48
Management system 48
Table 4 1 the function list of dfl 2100 48
Figure 4 14 export policy and books to local host dialog 49
Figure 4 15 import policy from policy server dialog 49
Import books 49
Another way to back up books is to print them out in papers when the print button 50
Figure 4 16 import policy from local host dialog 50
On the toolbar is pressed the current loaded book will be prepared to print out the print preview screen as the following figure will show up click print to print it out otherwise click cancel to close this screen 50
Print books 50
About dfl 2100 dfl 2400 ids management system 51
Dfl 2100 dfl 2400 ids reporting system 51
Figure 4 17 print policy book preview screen 51
Figure 4 18 dfl 2100 51
Management system information 51
Olicy based 52
The policy book 52
What is a policy 52
Load latest attack pattern 53
Change the priority of policies 55
Figure 5 5 click the confirm button after change defense policies 55
Figure 5 6 network defense policies database 56
Network defense policies database 56
Figure 5 7 policy list screen 57
Select a defense policy 57
Select defense policy 57
Each policy has detail description about defense attack attributes administrator can get the detail description and recommend action 59
Figure 5 9 the attack attributes frame 59
Policy attribute 59
Defense policy 60
Define policy protect scope 60
Figure 5 10 the defense policy property frame 60
Figure 5 11 directional protect scope 60
Figure 5 12 un directional protect scope 61
Figure 5 13 pick protect scope figure 5 13 pick protect scope 61
Set ddos parameters 61
Define policy actions 62
Figure 5 14 the ddos parameters setup 62
Figure 5 15 the actions setup 62
Define policy action schedule 63
Figure 5 16 the schedule setup 63
Define your own defense policy 64
Efense 64
Figure 6 2 the define new defense policy window 65
Figure 6 3 the defense policy attributes frame 66
Fill defense policy attributes 66
Determine the action while being attacked 67
Determine the recognize condition 67
Figure 6 4 the recognize condition frame 67
Figure 6 5 the actions frame 67
Figure 6 6 the schedule frame 67
Pick up the schedule 67
Description 68
Figure 6 7 the policy information 68
When we define a new attack policy we should give some reference information about this attack it will be very useful for other user to understand the policy there is some information filed about the policy should be descript 68
Figure 6 8 the comparison operations 69
Fill the packet criteria 69
Table 6 1 protocol type and policy property tabs 69
The comparison operations 69
Figure 6 9 the ip tab 70
The ip tab 70
Figure 6 10 the tcp tab 71
The tcp tab 71
Figure 6 11 the udp tab 72
Figure 6 12 the select from service book 72
The udp tab 72
Figure 6 13 the icmp tab 73
The icmp tab 73
Figure 6 14 the igmp tab 74
The igmp tab 74
The content tab 75
Figure 6 15 the content tab 76
Edit service book 77
Efinition 77
Rocess 77
Figure 7 1 add a service dialog 78
Figure 7 2 modify a service dialog 78
Modify a service 78
Delete a service 79
Edit address book 79
Add an address 80
Figure 7 3 add a new address dialog 80
Delete an address 81
Figure 7 4 modify an address dialog 81
Modify an address 81
Add a group 82
Edit group book 82
Figure 7 5 add a new group dialog 82
Delete a group 83
Figure 7 6 modify a group dialog 83
Modify a group 83
Add a schedule 84
Edit schedule book 84
Figure 7 7 add a new schedule dialog 84
Delete a schedule 85
Figure 7 8 modify this schedule dialog 85
Modify a schedule 85
Eporting 86
The dfl 2100 dfl 2400 ids reporting system 86
Figure 8 1 the main screen of dfl 2100 87
Reporting system 87
Start to use dfl 2100 dfl 2400 ids reporting system 87
Figure 8 2 on line real time monitoring network attack 88
Figure 8 3 enlarge and narrow the real time monitoring screen of network attack figure 8 3 enlarge and narrow the real time monitoring screen of network attack 88
Of dfl 2100 dfl 2400 ids reporting system provides real time warnings of network attacks in the form of text for the system manager to fully understand the current situation of network at a glance the monitoring function classifies the threatening levels of network attacks into 5 real time monitoring screens serious threat high level threat medium level threat low level threat and slight threat 88
Real time network attack monitor 88
The on line real time network attack monitor 88
Figure 8 4 report inquiry screen of attacks 89
Network attack report 89
Browse of main attack events 90
Figure 8 5 the inquiry screen of attack events ranking report 90
Figure 8 6 the inquiry screen of the host attacked ranking 90
Figure 8 7 the detail information on the inquiry screen of attacked host 91
Figure 8 8 the detailed analysis screen of attack packet 91
Figure 8 10 the inquiry screen of attack types ranking figure 8 10 the inquiry screen of attack types ranking 92
Figure 8 9 the inquiry screen of attack types ranking 92
Figure 8 11 the inquiry screen of detailed information on attack events 93
Figure 8 12 the detailed analysis screen of attack packets 93
Figure 8 13 the inquiry screen of attack warning ranking 94
Figure 8 14 the inquiry screen of the danger attack ranking figure 8 14 the inquiry screen of the danger attack ranking 94
Figure 8 15 the browse and inquiry screen of attack events 95
Figure 8 16 the screen of attack events result 95
Inquiry about important attacks 95
Figure 8 17 the screen of number of attack events 96
Figure 8 18 the analysis screen of attack packet 96
Figure 8 19 the screen of attack events results 97
Figure 8 20 a monthly report of attack events figure 8 20 a monthly report of attack events 97
Statistical analysis of attack events 97
Figure 8 21 a weekly report of attack events 98
Figure 8 22 the selection of a continuous time period 98
Selections of inquiring time 98
Figure 8 23 the selection of discontinuous periods 99
Figure 8 24 web based print preview 100
The report print function 100
Figure 8 25 attacks are displayed in the form of a pie chart 101
Real time traffic monitor 101
Table 8 3 the options of on line real time traffic monitor 101
Button is clicked a dialogue box of time setup would appear for setting 102
Figure 8 26 real time traffic monitoring 102
Figure 8 27 set up data update time for real time traffic monitoring 102
Set up time for real time data update 102
The system manager can set up data update time for flow monitoring after 102
Figure 8 28 the reviewing screen of system event records 103
System events 103
Change display language 104
Change warning levels 104
Figure 8 29 change display language 104
Figure 8 30 change warning levels 104
Introduction of other important tools 104
Figure 8 31 the warning dialogue box displays when the system is attacked 105
Figure 8 32 use this dialogue box to enable the e mail trap 105
Figure 8 33 set up time report as ftp output 106
Set up the schedule report output form 106
Figure 8 34 set up a time report as mail output 107
Figure 8 35 the schedule summary report 107
Close button click on this button to go back to the main screen version information this field includes version information of the system 108
Figure 8 36 the dialogue box of dfl 2100 dfl 2400 version information 108
Version information 108
Offices 109
Registration card 111
Your comments on this product _________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ____ 111

D-Link DFL-2400 [71/112] The tcp tab

Содержание

Похожие устройства