SROS Command Line Interface Reference Guide
Global Configuration Mode Command Set
5991-2114
© Copyright 2007 Hewlett-Packard Development Company, L.P.
375
ip access-list extended
<listname>
Use the
ip access-list extended
command to create an empty access list and enter the extended
access-list command set. Use the
no
form of this command to delete an access list and all the
entries contained in it. For more information on using access lists with the SROS firewall, refer to
on page 426. The following lists the complete syntax for the
ip access-list
extended
commands:
ip access-list extended
<listname>
<action> <protocol> <source> <source port> <destination> <destination port>
Syntax Description
<listname>
Identifies the configured access list using an alphanumeric descriptor. All access
list descriptors are case-sensitive.
<action>
permit
Permits entry to the routing system for specified packets.
deny
Denies entry to the routing system for specified packets.
remark
Associates a descriptive tag (up to 80 alphanumeric characters
enclosed in quotation marks) to the access list. Enter a functional
description for the list such as “This list blocks all outbound
Web traffic.”
<protocol>
Specifies the data protocol
ip
,
icmp
,
tcp
,
udp
,
ahp
,
esp
,
gre
, or a specific
protocol (0 to 255).
<source>
Specifies the source used for packet matching. Sources can be expressed in one
of four ways:
1.
Using the keyword
any
to match any IP address.
2.
Using
host
<A.B.C.D>
to specify a single host address.
3.
Using the
<A.B.C.D> <wildcard>
format to match all IP addresses in a range.
Wildcard masks work in reverse logic from subnet masks. Specifying 255 in
any octet of the wildcard mask equates to a “don’t care”. For example,
entering
192.168.0.0. 0.0.0.255
selects all traffic from the 192.168.0.0/24
network.
4.
Using the keyword
hostname
to match based on a DNS name. The unit must
be configured with DNS servers for this function to work.
<source port>
Optional. The source port is used only when
<protocol>
is
tcp
or
udp
.The
following keywords and port numbers are supported for the
<source port>
field:
any
Matches any destination port.
eq
<port number>
Matches only packets that contain the specified port
number.
gt
<port number>
Matches only packets with a port number higher than the
one listed.
lt
<port number>
Matches only packets with a port number lower than the
one listed.
neq
<port number>
Matches only packets that do not contain the specified
port number.
range
<port number>
Matches only packets that contain a port number in the
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