Command Line Reference Guide

1342 | Security
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Defaults
Not configured.
Command Modes
TRACE LIST
Related
Commands
permit tcp
e
Configure a filter to pass TCP packets meeting the filter criteria.
Syntax
permit tcp {source mask | any | host ip-address} [operator port [port]] {destination mask |
any | host ip-address} [operator port [port]] [count [byte]] | log] [order number]
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 permit tcp {source mask | any | host ip-address} {destination mask | any |
host ip-address} command.
Parameters
byte (OPTIONAL) Enter the keyword byte to count only bytes processed by the
filter.
log (OPTIONAL) Enter the keyword log to have the information kept in a
Trace-list log file.
ip trace-list
Create a trace list.
permit tcp
Assign a trace list filter to forward TCP packets.
permit udp
Assign a trace list filter to forward UDP packets.
source
Enter the IP address of the network or host from which the packets were sent.
mask
(OPTIONAL) Enter a network mask in /prefix format (/x).
any Enter the keyword any to specify that all routes are subject to the filter.
host ip-address Enter the keyword host followed by the IP address to specify a host IP
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 port for the port
parameter.)
port port
Enter the application layer port number. Enter two port numbers if using the
range logical operand.
Range: 0 to 65535.
The following list includes some common TCP port numbers:
23 = Telnet
20 and 21 = FTP
25 = SMTP
169 = SNMP
destination
Enter the IP address of the network or host to which the packets are sent.