Reference Guide

deny tcp
Configure a filter that drops TCP packets that match the filter criteria.
S5000
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]] |
[monitor]
To remove this filter, you have two choices:
• Use the no seq sequence-number command syntax if you know the filter’s
sequence number
• Use the no deny tcp {source address mask | any | host ipv6-
address} {destination address | any | host ipv6-address}
command
Parameters
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. The range is /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.
NOTE: The :: notation specifies successive hexadecimal
fields of zero. Only one occurrence of this notation is
permitted in an IPv6 address.
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).
port port
Enter the application layer port number. Enter two port
numbers if using the range logical operand. The range is 0 to
65535.
The following list includes some common TCP port
numbers:
• 23 = Telnet
IPv6 Access Control Lists (IPv6 ACLs)
655