D-Link DES-3550 Switch User Manual


 
135
create access_profile
flag_mask [ all | {urg | ack | psh | rst | syn | fin}] – Enter the
appropriate flag_mask parameter. All incoming packets have
TCP port numbers contained in them as the forwarding
criterion. These numbers have flag bits asscociated with them
which are parts of a packet that determine what to do with the
packet. The user may deny packets by denying certain flag bits
within the packets. The user may choose between
all
,
urg
(urgent),
ack
(acknowledgement),
psh
(push),
rst
(reset),
syn
(synchronize) and
fin
(finish).
udp Specifies that the switch will examine each frame’s
Universal Datagram Protocol (UDP) field.
src_port_mask <hex 0x0-0xffff> Specifies a UDP port
mask for the source port.
dst_port_mask <hex 0x0-0xffff> Specifies a UDP port
mask for the destination port.
protocol_id Specifies that the switch will examine each
frame’s Protocol ID field.
user_define_mask <hex 0x0-0xffffffff> Specifies that the
rule applies to the IP protocol ID and the mask options behind
the IP header.
packet_content_mask – Specifies that the switch will mask the
packet header beginning with the offset value specified as
follows:
offset_0-15 – Enter a value in hex form to mask the packet
from the beginning of the packet to the 16
th
byte.
offset_16-31 - Enter a value in hex form to mask the packet
from byte 16 to byte 31.
offset_32-47 - Enter a value in hex form to mask the packet
from byte 32 to byte 47.
offset_48-63 - Enter a value in hex form to mask the packet
from byte 48 to byte 63.
offset_64-79- Enter a value in hex form to mask the packet
from byte 64 to byte 79.
port<portlist> - Specifies a port or range of ports to be configured.
all – denotes all ports on the switch.
profile_id <value 1-255> Specifies an index number that will
identify the access profile being created with this command.
Restrictions Only administrator-level users can issue this command.
Example usage:
To create an access list rules: