ZyXEL Communications 650 Series Technical Information PDF herunterladen (Seite 126)

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browser:

Here are descriptions of each setup item:

Ping of Death (1): Ping of Death is a special packet, and it will cause

certain computers to stop responding. Check this box and

the router will filter this kind of packet out.

Discard Ping Ping is a common and useful tool to know

From WAN (2): the connection status of a specified remote network

device, but some malicious intruders will try to fill your

network bandwidth with a lot of PING request data

packets to make your internet connection become very

slow, even unusable. Check this box and the router will

ignore all inbound PING requests (but when you activate

this function, you will not be able to ping your own

router from Internet either).

Port Scan (3): Some malicious intruder may try to use a ‘port scanner’

to know how many ports of your Internet IP address are

open and they can collect a lot of valuable information

by doing so. Check this box and the router will block all

traffics trying to scan your Internet IP address.

Sync Flood (4): This is another kind of attack, which uses a lot of fake

connection requests to consume the memory of your

server and try to make your server become unusable.

Check this box and the router will filter out this kind of

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ZyXEL Communications 650 Series Technical Information Seite 126