Allied Telesis FS750/24 Technical Information download pdf (Page 55)

AT-FS750/24-41 Web User Interface Manual

7-4

Figure 69 – ACL > IP Extended ACL

Parameter

Description

ACL Number

Specify the ACL ID of this rule. The possible ID of IP Standard ACL is

1001-65535.

Action

Specify the action for packet matched. Select Permit to process the packets,

Deny to discard them.

Source IP Address

Matching packet with a specific source IP address.

Subnet Mask

Matching packet with a range of source IP address. For example 172.17.5.1

with mask 255.255.255.0 means 172.15.5.0~255.

Destination IP Address

Matching packet with a specific destination IP address.

Subnet Mask

Matching packet with a range of destination IP address. For example

172.17.5.1 with mask 255.255.255.0 means 172.15.5.0~255.

Port List (Incoming)

Specify the ports to apply this ACL rule.

Protocol

Matching the L4 protocol type of the packet. The options are: icmp, ip, tcp,

udp, ospf, pim and other.

When selecting others, insert the protocol ID in the right column.

Message Code

Matching ICMP packets with specific message type. The possible code is

0-255.

Message Type

Matching ICMP packets with specific message code. The possible type is

0-255.

Dscp

Matching packets with specific DSCP type. The possible value is 0-63.

TOS

Matching packets with specific ToS value. The possible value is 0-7

ACK Bit

Macthing packets with a specific TCP acknowledge flag. The options are:

Establish – TCK ack packet.

Not Establish - TCP ack-not packet.

Any - Any kind of TCP acknowledge packet.

RST Bit

Macthing packets with a specific TCP reset flag. The options are:

Set - TSP reset packet.

Not Set - TCP reset-not packet.

Any - Any kind of TCP reset packet.

Source Port

Matching packets with a specific L4 source port.

Source Port Mask

Matching packet with a range of source port. For example source port 23 with

mask FFFE means 22~23. The mask options are: 8000, C000, E000, F000,

F800, FC00, FE00, FF00, FF80, FFC0, FFE0, FFF0, FFF8, FFFC, FFFE,

FFFF.

Destination Port

Matching packets with a specific L4 destination port.

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