Reference Guide

Access Control Lists (ACL) | 159
Defaults
Not configured
Command Modes
ACCESS-LIST
Command
History
deny tcp
s
Configure a filter that drops TCP packets that match the filter criteria.
Syntax
deny tcp {source address mask | any | host ipv6-address} [operator port [port]] {destination
address
| any | host ipv6-address} [bit] [operator port [port]] [count [byte]]
To remove this filter, you have two choices:
• Use the no seq sequence-number command syntax if you know the filter’s sequence number or
• Use the no deny tcp {source address mask | any | host ipv6-address} {destination address |
any | host ipv6-address} command.
Parameters
destination address
Enter the IPv6 address of the network or host to which the packets are sent in
the
x:x:x:x::x format followed by the prefix length in the /x format.
Range: /0 to /128
The
:: notation specifies successive hexadecimal fields of zero.
count (OPTIONAL) Enter the keyword count to count packets processed by the
filter.
byte (OPTIONAL) Enter the keyword byte to count bytes processed by the filter.
Version 9.0.2.0 Introduced on the S6000.
Version
8.3.7.0
Introduced on the S4810.
S6000
source address
Enter the IPv6 address of the network or host from which the packets were sent
in the
x:x:x:x::x format followed by the prefix length in the /x format.
Range: /0 to /128
The
:: notation specifies successive hexadecimal fields of zero.
mask
Enter a network mask in /prefix format (/x).
any Enter the keyword any to specify that all routes are subject to the filter.
host ipv6-address Enter the keyword host followed by the IPv6 address of the host in the
x:x:x:x::x format.
The
:: notation specifies successive hexadecimal fields of zero
operator
(OPTIONAL) Enter one of the following logical operand:
•
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
command parameter.