Configuring an extended ipv4 acl – LevelOne GTL-2691 User Manual

Page 359

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C

HAPTER

13

| Security Measures

Access Control Lists

– 359 –

C

ONFIGURING

AN

E

XTENDED

IP

V

4 ACL

Use the Security > ACL (Configure ACL - Add Rule - IP Extended) page to

configure an Extended IPv4 ACL.

CLI R

EFERENCES

"permit, deny (Extended IPv4 ACL)" on page 976

"show ip access-list" on page 979

"Time Range" on page 817

P

ARAMETERS

These parameters are displayed:

Type – Selects the type of ACLs to show in the Name list.

Name – Shows the names of ACLs matching the selected type.

Action – An ACL can contain any combination of permit or deny rules.

Source/Destination Address Type – Specifies the source or

destination IP address. Use “Any” to include all possible addresses,

“Host” to specify a specific host address in the Address field, or “IP” to

specify a range of addresses with the Address and Subnet Mask fields.

(Options: Any, Host, IP; Default: Any)

Source/Destination IP Address – Source or destination IP address.

Source/Destination Subnet Mask – Subnet mask for source or

destination address. (See the description for Subnet Mask on

page 357

.)

Source/Destination Port – Source/destination port number for the

specified protocol type. (Range: 0-65535)

Source/Destination Port Bit Mask – Decimal number representing

the port bits to match. (Range: 0-65535)

Protocol – Specifies the protocol type to match as TCP, UDP or Others,

where others indicates a specific protocol number (0-255).

(Options: TCP, UDP, Others; Default: TCP)

Service Type – Packet priority settings based on the following criteria:

ToS – Type of Service level. (Range: 0-15)

Precedence – IP precedence level. (Range: 0-7)

DSCP – DSCP priority level. (Range: 0-63)

Control Code – Decimal number (representing a bit string) that

specifies flag bits in byte 14 of the TCP header. (Range: 0-63)

Control Code Bit Mask – Decimal number representing the code bits

to match. (Range: 0-63)

The control bit mask is a decimal number (for an equivalent binary bit

mask) that is applied to the control code. Enter a decimal number,

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