Security and authentication
11.4 IP access control list
SCALANCE XM-400/XR-500 Command Line Interface (CLI)
Configuration Manual, 06/2016, C79000-G8976-C252-11
845
Further notes
You delete an IP access control list with the
no ip access-list standard <acl-num>
command.
You display the configuration of the access control list with the
show access-lists
command.
11.4.4.4
deny icmp
Description
With this command, you configure an IP access control list for ICMP messages.
You have the following options:
●
All incoming and/or outgoing ICMP messages are not forwarded.
●
Incoming and/or outgoing ICMP messages of a specific host are not forwarded.
●
Incoming and/or outgoing ICMP messages of hosts of a specific subnet are not
forwarded.
Note
Processing order of the lists
The access control lists are processed on the interface in the order in which they were
created.
The index number of the access control list is not used for this.
Requirement
You are in the ACL standard configuration mode.
The command prompt is as follows:
cli(config-std-nacl)#
Syntax
Call up the command with the following parameters:
deny icmp {any | host <src-ip-address> | <src-ip-address> <src-mask>} [{any | host
<dest-ip-address> | dest-ip-address> <dest-mask>}] [<message-type type(0-255)>]
[<message-code code(0-255)>]
The parameters have the following meaning:
Parameter
Description
Range of values / note
any
Blocks all incoming frames
-
host
Keyword for a an individual IPv4 ad-
dress
-