DELL 9.8(0.0) ユーザーズマニュアル

Enter a number from 0 to 255 to filter based on the protocol 
identified in the IP protocol header.

icmp

Enter the keyword icmp to configure an ICMP access list 
filter.

ip

Enter the keyword ip to configure a generic IP access list. 
The keyword ip specifies that the access list permits all IP 
protocols.

tcp

Enter the keyword tcp to configure a TCP access list filter.

udp

Enter the keyword udp to configure a UDP access list filter.

Enter an IP address in dotted decimal format of the network 
from which the packet was received.

(OPTIONAL) Enter a network mask in /prefix format (/x) or 
A.B.C.D. The mask, when specified in A.B.C.D format, may be 
either contiguous or non-contiguous.

any

Enter the keyword any to specify that all routes are subject 
to the filter.

host ip-address

Enter the keyword host and then enter the IP address to 
specify a host IP address or hostname.

(OPTIONAL) Enter one of the following logical operands:

• eq = equal to
• neq = not equal to
• gt = greater than
• lt = less than
• range = inclusive range of ports (you must specify two 

ports for the port parameter.)

(OPTIONAL) Enter the application layer port number. Enter 
two port numbers if you are using the range logical operand. 
The range is from 0 to 65535.
The following list includes some common TCP port 
numbers:

• 23 = Telnet
• 20 and 21 = FTP
• 25 = SMTP
• 169 = SNMP

Enter the IP address of the network or host to which the 
packets are sent.

count

(OPTIONAL) Enter the keyword count to count packets the 
filter processes.

byte

(OPTIONAL) Enter the keyword byte to count bytes the filter 
processes.

Access Control Lists (ACL)

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