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Barracuda CloudGen Firewall

Firewall Rule List Interface and Icons

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The features and controls of the configuration pages for the Host and Forwarding Firewall rulesets have a similar interface structure. The main rules section in these pages displays the access or application rules depending on the selected ruleset in the left menu. You can view, create, copy, paste, clone, and edit your access rules on this page.

The Forwarding Firewall Ruleset

The Forwarding Firewall ruleset contains all forwarding access and application rules and provides access to the access and application rule configuration dialog. To open the Forwarding Firewall ruleset, go to CONFIGURATION > Configuration Tree > Box > Assigned Services > Firewall > Forwarding Rules.

The Forwarding Rules page is divided into the following sections:

Main Rules Table

FW_main_rule_area.png

In the main rules table, you can view and edit the settings for your access or application rules. See below for icon descriptions.

Editing Features

Use these icons to create, edit, and otherwise manipulate the access or application rules in the main ruleset. See below for icon descriptions.

FW_edit_icon_bar.png

Rule Lists

FW_rule_lists.png

This ruleset cannot be deleted, although additional rulesets can be created. See below for icon descriptions.

Main Rules Section and Icons

In the main rules table, the settings for each access rule are organized in the following columns:

ColumnDescription
ActionThe action performed by the access rule.
NameThe name of the access rule.
Features

The features that have been applied to the access rule, as indicated by the following icons: 

IconFeature
dyn.pngDynamic Rule
param.pngAdvanced rule parameter changed
swap.pngRule matches for swapped source and destination
time.pngScheduled Rule
ico_tcp.pngGeneric TCP Proxy
ico_nsnat.pngOriginal Source IP
user.pngAuthenticated User
noips.pngNo IPS
ips.pngCustom IPS Policy
defips.pngDefault IPS Policy
leg_app.pngLegacy Layer 7 Application Control
cont.pngContinue on Device Mismatch 
parp.pngProxy ARP
noscan.pngNo Application Control Scan
native.pngApplication Control Scan without SSL Inspection
ssl.pngApplication Control Scan with SSL Inspection
av.pngAV scan
The following icons apply to application rules only:
IconFeature
filter.pngApplication Filter Object
app.pngApplication Object
custom.pngCustom Application
over.pngOverridden Application
native.pngNative Application
ServiceThe service that applies to the access rule. For example, the IP protocol used or, with TCP/UDP, the relevant IP protocol and the port for the traffic.
SourceThe source addresses selected for the access rule.
DestinationThe destination addresses selected for the access rule.
Application PolicyThe application policies applied to the access rule. For more information, see Application Control.   
UserThe users affected by the access rule.
ScheduleDisplays the times when the rule is applied.
QoSAny traffic shaping settings. For more information, see How to Create and Apply QoS Bands.
IPS PolicyThe IPS policy that is applied to the access rule. For more information, see Intrusion Prevention System (IPS).
Usage

This column shows when the rule was last used and how often. E.g.: 5 days (1234) – The rule matched certain traffic 5 days ago and matched 1234 times total.

The Usage field is only filled with information in the read-only version of the ruleset. Go to FIREWALL > Forwarding Rules.

Main Rules Tab

The Main Rules tab allows you to create additional rule lists.

Editing Features and Icons

The editing features section on the top right of the page provides the following keyboard shortcuts that let you perform different actions:

ShortcutsDescription
hk0.pngShow/hide inactive rules
hk2.png

Show/select overlapping rules

hk3.png

Move a rule down in the ruleset

hk4.png

Move a rule up in the ruleset

hk5.png

Delete a rule

hk6.png

Edit a rule

hk7.png

Add a new rule

hk8.png

Add a new IPv6 rule

hk9.png

Insert a new rule section

hk10.png

Clone a rule

Editing Multiple Access Rules

If you need to change the Application Control, IPS, or QoS settings for multiple access rules, you can use inline edit multiple access rules. Hold down the CTRL key and click the rules you want to edit. The following settings can be changed for all selected access rules by clicking the mouse-over edit icon (hk6.png):

multi-edit-appctrl.png

  • Application Control
  • IPS Policy
  • QoS

To change the following properties via multi-edit, click the mouse-over (hk0.png) settings icon in the Name column: 

multi-edit-name.png

  • Set color
  • Deactivate or activate rules
  • Dynamic rule

To change Advanced settings for multiple rules right-click the selected rules and click Edit. Entries highlighted in red differ between the selected rules.

multi-edit-advanced.png

NAT Information

Use the NAT Information view to display the access rules based on translated IP addresses. To access the NAT view, expand the 'modify view' icon and select Show NAT information.

FW_nat_view01.png

The NAT Information window displays the following details.

  • Access Rule – This column lists all access rules with a connection method of source or destination NAT. To display or edit a rule from the NAT view, double-click it.
  • Original Packet – The columns in this section display the original source, destination, and service object that apply to the access rule.
  • Translated PacketThe columns in this section display the selected NAT method. This can be source NAT or destination NAT. This section also shows whether source or destination is translated and displays the translated IP address.

FW_nat_view02.png

For more information on the functionalities of the Forwarding Firewall ruleset, see Forwarding Firewall.

Host Access Ruleset

The host access ruleset contains default rules that fit most applications and services that are handled by the Barracuda CloudGen Firewall. Changing the host access ruleset should only be done by an expert administrator because changes can affect the behavior of your system. For help with changing default host access rules, contact Barracuda Networks Technical Support.

You can view the host access ruleset on the Host Firewall - Rules page. To open this page, go to Config > Box > Infrastructure Services > Host access rules .

The  Host Firewall - Rules page  provides an interface very similar to the Forwarding Firewall and is divided into the following sections:

  • Configuration Menu – The left navigation pane of the page provides you with menu sections to configure your access rules.
  • Inbound and Outbound Table – In the table, you can view and edit the settings for all inbound and outbound host access rules. To switch between viewing the inbound and outbound rulesets, click the following tabs:
    • Inbound – Shows all inbound host access rules.
    • Inbound-User – (Bound to the Inbound set) Shows a subset of inbound host access rules.
    • Outbound – Shows all outbound host access rules.
    • Outbound-User tab – (Bound to the Outbound set) Shows a subset of outbound host access rules.
Main Rules Section and Icons

Below the Inbound and Outbound tabs, the settings for each access rule are organized into the following columns:

ColumnDescription
ActionThe action performed by the access rule
NameThe name of the access rule
FeaturesThe features that have been applied to the access rule, as indicated by the following icons:
IconDescription
noips.pngNo IPS
ico_nsnat.pngOriginal Source IP
leg_app.pngLegacy Layer 7 Application Control
ServiceThe service that applies to the access rule
SourceThe source selected for the access rule
DestinationThe destination selected for the access rule
Comment(Optional) Comment
UserThe users affected by the access rule
QoSAny traffic shaping settings. For more information, see How to Create and Apply QoS Bands.
ScheduleDisplays the times when the rule is applied.
Usage

This column shows when the rule was last used and how often. E.g.: 5 days (1234) – The rule matched certain traffic 5 days ago and matched 1234 times total.

The Usage field is only filled with information in the read-only version of the ruleset. Go to FIREWALL > Host Rules.

For more information on the functionalities of the host access ruleset, see Host Firewall.

Allowed Characters in the Firewall Ruleset

All text configuration elements in the firewall ruleset are restricted to use only the following characters, number and symbols:

  • Letters - a-z, A-Z
  • Numbers – 0-9
  • Symbols – # \r \n . _ / : , ; * + -
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