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◆
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 type. 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
◆
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: Others)
◆
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)
■
◆
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, where the
equivalent binary bit "1" means to match a bit and "0" means to ignore a bit.
The following bits may be specified:
■
1 (fin) – Finish
2 (syn) – Synchronize
■
4 (rst) – Reset
■
8 (psh) – Push
■
16 (ack) – Acknowledgement
■
32 (urg) – Urgent pointer
■
– 297 –
Chapter 12
| Security Measures
Access Control Lists
page
295.)
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