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Stationary Source TCP, SYN Flood, Flood, single client to the specified rate.

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Chapter 4 Configure the Network with Omada SDN Controller Stationary Source TCP SYN Flood A TCP SYN flood attack occurs when the attacker sends the target system with a succession of SYN (synchronize) requests. When the system responds, the attacker does not complete the connections, thus leaving the connection half-open and flooding the system with SYN messages. No legitimate connections can then be made. With this feature enabled, the gateway limits the rate of receiving TCP SYN packets from a single client to the specified rate. Stationary Source UDP Flood A UDP flood attack occurs when the attacker sends a large number of UDP packets to a target host in a short time, the target host is busy with these UDP packets and cannot process normal services. With this feature enabled, the gateway limits the rate of receiving UDP packets from a single client to the specified rate. Stationary Source ICMP Flood If an attacker sends many ICMP Echo messages to the target device, the target device is busy with these Echo messages and cannot process other data packets. Therefore, normal services are affected. With this feature enabled, the system limits the rate of receiving ICMP packets from a single clients to the specified rate. 100

Section	Page
About this Guide	2
Omada SDN Controller Solution Overview	3
Overview of Omada SDN Controller Solution	4
Core Components	5
Get Started with Omada SDN Controller	10
Set Up Your Software Controller	11
Determine the Network Topology	11
Install Omada Software Controller	12
Start and Log In to the Omada Software Controller	14
Set Up Your Hardware Controller	19
Determine the Network Topology	19
Deploy Omada Hardware Controller	19
Start and Log in to the Controller	20
Set up Your Cloud-Based Controller	24
Manage Omada Managed Devices and Sites	25
Create Sites	26
Adopt Devices	30
For Omada Software Controller / Omada Hardware Controller	30
For Omada Cloud-Based Controller	42
Configure the Network with Omada SDN Controller	45
Navigate the UI	46
Modify the Current Site Configuration	49
Site Configuration	49
Services	49
Advanced Features	52
Device Account	54
Configure Wired Networks	55
Set Up an Internet Connection	55
Configure LAN Networks	69
Configure Wireless Networks	78
Set Up Basic Wireless Networks	78
Advanced Settings	84
WLAN Schedule	86
802.11 Rate Control	86
MAC Filter	87
Network Security	89
ACL	89
URL Filtering	97
Attack Defense	100
Transmission	105
Routing	105
NAT	108
Session Limit	111
Bandwidth Control	112
Configure VPN	116
Create Profiles	143
Time Range	143
Groups	144
Authentication	149
Portal	149
802.1X	180
MAC-Based Authentication	183
RADIUS Profile	184
Services	187
Dynamic DNS	187
SNMP	189
UPnP	190
SSH	191
Reboot Schedule	191
PoE Schedule	192
Export Data	193
Configure the Omada SDN Controller	195
Manage the Controller	196
General Settings	196
Mail Server	197
History Data Retention	199
Customer Experience Improvement Program	199
HTTPS Certificate	200
Access Port Config	200
Manage Your Controller Remotely via Cloud Access	202
Maintenance	204
Controller Status	204
User Interface	204
Backup & Restore	206
Migration	207
Site Migration	207
Controller Migration	212
Configure and Monitor Omada Managed Devices	219
Introduction to the Devices Page	220
Configure and Monitor the Gateway	224
Configure the Gateway	224
Monitor the Gateway	228
Configure and Monitor Switches	232
Configure Switches	232
Monitor Switches	249
Configure and Monitor EAPs	253
Configure EAPs	253
Monitor EAPs	263
Monitor and Manage the Clients	270
Manage Wired and Wireless Clients in Clients Page	271
Introduction to Clients Page	271
Using the Clients Table to Monitor and Manage the Clients	271
Using the Properties Window to Monitor and Manage the Clients	273
Manage Client Authentication in Hotspot Manager	278
Authorized Clients	278
Vouchers	278
Local Users	281
Operators	284
Monitor the Network	287
View the Status of Network with Dashboard	288
Page Layout of Dashboard	288
Explanation of Widgets	290
View the Statistics of the Network	298
Performance	298
Switch Statistics	301
Speed Test Statistics	303
Monitor the Network with Map	305
Topology	305
Map	307
View the Statistics During Specified Period with Insight	310
Known Clients	310
Past Portal Authorizations	311
Rogue APs	312
View and Manage Logs	314
Alerts	315
Events	316
Notifications	317
Manage Administrator Accounts of Omada SDN Controller	323
Introduction to User Accounts	324
Manage and Create Local User Accounts	325
Edit the Master Administrator Account	325
Create and Manage Administrator and Viewer	327
Manage and Create Cloud User Accounts	330
Set Up the Cloud Master Administrator	330

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100

Chapter 4

Conﬁgure the Network with Omada SDN Controller

Stationary Source TCP

SYN Flood

A TCP SYN flood attack occurs when the attacker sends the target system with a

succession of SYN (synchronize) requests. When the system responds, the attacker

does not complete the connections, thus leaving the connection half-open and

flooding the system with SYN messages. No legitimate connections can then be

made.

With this feature enabled, the gateway limits the rate of receiving TCP SYN packets

from a single client to the specified rate.

Stationary Source UDP

Flood

A UDP flood attack occurs when the attacker sends a large number of UDP packets

to a target host in a short time, the target host is busy with these UDP packets and

cannot process normal services.

With this feature enabled, the gateway limits the rate of receiving UDP packets from a

single client to the specified rate.

Stationary Source ICMP

Flood

If an attacker sends many ICMP Echo messages to the target device, the target device

is busy with these Echo messages and cannot process other data packets. Therefore,

normal services are affected.

With this feature enabled, the system limits the rate of receiving ICMP packets from a

single clients to the specified rate.