Security
WorkCentre 7755/7765/7775 Multifunction Printer
System Administrator Guide
76
IP Filtering
You can prevent unauthorized network access by blocking or allowing data sent from particular IP
addresses.
Creating an IP Filter Rule
Note:
If your printer is locked, you must log in as a system administrator. For details, see
Accessing
CentreWare IS
on page 17.
1.
In CentreWare IS, click
Properties
>
Security
>
IP Filtering
.
2.
Click
Add
.
3.
From the
Protocol
drop-down menu, select the protocol to apply the rule to. Options include
All
,
TCP
,
UDP
, or
ICMP
.
4.
From the
Action
drop-down menu, select how you want the filter to handle the incoming packet.
Select
Reject
if you want the printer to reject the packet and send an ICMP message back to the
source host. Select
Drop
if you want the printer to ignore the packet.
5.
From the
Move This Rule To
drop-down menu, select either
End of List
or
Beginning of List
.
Actions are performed in the order defined on the rule list.
Note:
You can also arrange the rule execution order on the main IP Filtering page.
6.
Type the
Source IP Address
.
7.
Type a number for the
Source IP Mask
that will use this rule. The allowable range of 0 to 32
corresponds to the 32-bit binary number comprising IP addresses. A number of 8, for example,
represents a Class A address (mask of 255.0.0.0). The number 16 represents a Class B address
(mask of 255.255.0.0). The number 24 represents a Class C address (mask of 255.255.255.0).
8.
Source Port
: This selection is only available when the Protocol is set to TCP or UDP. Type the
originating port, if applicable, that the rule has been created to handle. If the incoming packet
does not originate from this source port, the rule will not be applied.
9.
Destination Port
: This selection is only available when the Protocol is set to TCP or UDP. Type the
destination port that the rule has been created to handle. If the incoming packet is not sent to
this port, the rule will not be applied.
10.
ICMP Message Type
: This selection is only available when the protocol is set to ICMP. Select
which ICMP Message type the rule is meant to handle.
11. Click the
Apply
.
Note:
Settings are not applied until you restart the printer.
Editing or Deleting IP Filter Rules
Note:
If your printer is locked, you must log in as a system administrator. For details, see
Accessing
CentreWare IS
on page 17.
1.
In CentreWare IS, click
Properties
>
Security
>
IP Filtering
.
2.
Click an IP filter rule.
3.
To edit a rule, click
Edit
and edit the rule. Click
Apply
.
Summary of Contents for WORKCENTRE 7755
Page 12: ...Introduction WorkCentre 7755 7765 7775 Multifunction Printer System Administrator Guide 12...
Page 20: ...Initial Setup WorkCentre 7755 7765 7775 Multifunction Printer System Administrator Guide 20...
Page 80: ...Security WorkCentre 7755 7765 7775 Multifunction Printer System Administrator Guide 80...
Page 92: ...Printing WorkCentre 7755 7765 7775 Multifunction Printer System Administrator Guide 92...
Page 142: ...Fax WorkCentre 7755 7765 7775 Multifunction Printer System Administrator Guide 142...