Dell S6100, Руководство по настройке

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8.2.1.0 Introduced on the E-Series TeraScale.
7.8.1.0 Introduced on the C-Series.
7.4.1.0 Introduced on the E-Series TeraScale Added the
monitor
option.
deny tcp
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]] | [log] [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.
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).
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
• 20 and 21 = FTP
• 25 = SMTP
• 169 = SNMP
226 Access Control Lists (ACL)