Deny Tcp - Siemens SCALANCE W770 Series Configuration Manuals

11.5.5.6

deny tcp

Description
With this command, you configure an IP access control list for the TCP protocol.
You have the following options:
● All incoming and/or outgoing TCP segments are not forwarded.
● Incoming and/or outgoing TCP segments of a specific host are not forwarded.
● Incoming and/or outgoing TCP segments of hosts of a specific subnet are not forwarded.
● Incoming and/or outgoing TCP segments 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 tcp {any | host <src-ip-address> | <src-ip-address> <src-mask> }
[{gt <src-port-number (1-65535)> | lt <src-port-number(1-65535)> |eq
<src-port-number (1-65535)> | range <src-port-number (1-65535)> <src-
port-number (1-65535)>}] {any| host <dest-ip-address> | <dest-ip-
address> <dest-mask> } [{gt <dest-port-number (1-65535)> | lt <dest-
port-number (1-65535)> | eq <dest-port-number(1-65535)>| range <dest-
port-number (1-65535)> <dest-port-number (1-65535)>}]/r/n [dscp
<value (0-63)>]
The parameters have the following meaning:
Parameter
any
host
src-ip-address
src-ip-address
src-mask
SCALANCE W770/W730 acc. to IEEE 802.11n Command Line Interface
Configuration Manual, 09/2017, C79000-G8976-C324-08
Description
Blocks all incoming TCP segments
Keyword for a an individual IPv4 ad‐
dress
Source IPv4 address
Network source address
Corresponding subnet mask
Security and authentication
11.5 IP access control list
Range of values / note
-
-
Enter a valid IPv4 address.
Enter a valid combination of IPv4
address and subnet mask.
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