Deny Udp - Siemens SCALANCE XM-400 Configuration Manual

Security and authentication
11.4 IP access control list
Note
Subnet mask for individual hosts
If you create the rule for a single system (one IP address), you will need to specify a 32-Bit
long subnet mask. This is then "255.255.255.255". As an alternative, you can specify the
keyword "host" followed by the IP address.
Further notes
You delete an IP access control list with the
command.
You display the configuration of the access control list with the
11.4.3.8

deny udp

Description
With this command, you configure an IP access control list for the UDP protocol.
You have the following options:
● All incoming and/or outgoing UDP datagrams are not forwarded.
● Incoming and/or outgoing UDP datagrams of a specific host are not forwarded.
● Incoming and/or outgoing UDP datagrams of hosts of a specific subnet are not forwarded.
● Incoming and/or outgoing UDP datagrams are not forwarded to specific ports.
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 udp {any | host <src-ip> | <network-src-ip> <mask>} [{ gt <port-number(1-65535)>
| lt <port-number(1-65535)> | eq <port-number(1-65535)> | range <port-number (1-
512
no ip access-list standard <acl-num>
show access-lists
SCALANCE XM-400/XR-500 Command Line Interface
Configuration Manual, 05/2014, C79000-G8976-C252-07
command.