Netgear GS752TXS - Stackable Smart Gigabit Ethernet Switch 사용자 설명서

Chapter 2: Configuring System Information

GS752TXS Smart Switch Software Administration Manual

receiving fragmented IP packets. Otherwise, switch ignores the first fragment IP
packages.The factory default is disabled.

•

Denial of Service ICMP Fragment

: Enabling ICMP Fragment DoS prevention

causes the switch to drop ICMP Fragmented packets. The factory default is disabled.

•

Denial of Service SIP=DIP

: Enabling SIP=DIP DoS prevention causes the switch to

drop packets that have a source IP address equal to the destination IP address. The
factory default is disabled.

•

Denial of Service SMAC=DMAC

: Enabling SMAC=DMAC DoS prevention causes

the switch to drop packets that have a source MAC address equal to the destination
MAC address. The factory default is disabled.

•

Denial of Service TCP FIN&URG&PSH

: Enabling TCP FIN & URG & PSH DoS

prevention causes the switch to drop packets that have TCP Flags FIN, URG, and
PSH set and TCP Sequence Number=0. The factory default is disabled.

•

Denial of Service TCP Flag&Sequence

: Enabling TCP Flag DoS prevention causes

the switch to drop packets that have TCP control flags set to 0 and TCP sequence
number set to 0. The factory default is disabled.

•

Denial of Service TCP Fragment

: Enabling TCP Fragment DoS prevention causes

the switch to drop packets:

•

First TCP fragments that has a TCP payload: IP_Payload_Length -

IP_Header_Size < Min_TCP_Header_Size. The factory default is disabled.

•

Denial of Service TCP Offset

: Enabling TCP Offset DoS prevention causes the

switch to drop packets that have a TCP header Offset=1. The factory default is
disabled.

•

Denial of Service TCP Port

: Enabling TCP Port DoS prevention causes the switch to

drop packets that have TCP source port equal to TCP destination port. The factory
default is disabled.

•

Denial of Service TCP SYN

: Enabling TCP SYN DoS prevention causes the switch

to drop packets that have TCP Flags SYN set. The factory default is disabled.

•

Denial of Service TCP SYN&FIN

: Enabling TCP SYN & FIN DoS prevention causes

the switch to drop packets that have TCP Flags SYN and FIN set. The factory default
is disabled.

If you change any of the DoS settings, click Apply to apply the changes to the switch.

Click Cancel to cancel the configuration on the screen and reset the data on the screen to

the latest value of the switch.

DNS

You can use these pages to configure information about DNS servers the network uses and
how the switch operates as a DNS client.

DNS Configuration

Use this page to configure global DNS settings and DNS server information.