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Comodo Dome Firewall

Comodo Dome Firewall

Dome Firewall Virtual Appliance Admin Guide

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View DFW Virtual Appliance Status > System Status
  • Introduction To Comodo Dome Firewall - Virtual Appliance
    • Install Dome Firewall And Login To The Administrative Console
  • The Main Interface
  • The Dashboard
  • View And Modify System Status And General Configuration
    • Manage Admin Accounts
      • Add And Manage Administrators
      • Manage Administrative Roles
    • License Activation
    • SNMP Settings
    • Central Management
    • Configure SSH Access
    • High Availability
    • View And Update Firmware Version
    • Create And Schedule Backup Of DFW State
      • Manually Create A Backup
      • Schedule Backup Operations
      • Encrypt Backup Archives
      • Export A Backup
      • Import A Backup Archive From A Local Computer
      • Roll Back The Virtual Appliance To A Previous Time Point
      • Reset The Virtual Appliance To Factory Defaults
    • Shutdown Or Restart The Dome Firewall Virtual Appliance
  • View DFW Virtual Appliance Status
    • System Status
    • Network Status
    • System Usage Summaries
    • Network Traffic
    • Network Connections
    • SSLVPN Connections
  • Network Configuration
    • Configure Interface Devices, Uplinks And VLANs
      • Configure Interface Devices
      • Add And Manage Gateway Uplink Devices
      • Create VLANs
    • Routes
      • Add And Manage Static Routes
      • Add And Manage Policy Routing Rules
  • Configure DFW Virtual Appliance Services And Protection Settings
    • DHCP Server
    • Advanced Threat Protection
      • Manage The ATP Profiles
      • Comodo Antivirus
    • Time Server
    • Intrusion Prevention
      • Configure Intrusion Prevention System
      • Manage IPS Rulesets
      • Manage Application Identification Rulesets
    • Configure Wireless Hotspot
      • Configure Captive Portal Service
      • Customize The Login Page
      • Add And Manage Permanent Users
    • Internet Content Adaptation Protocol
    • Quality Of Service
  • Manage Firewall Configuration
    • Firewall Objects
      • Manage Firewall Address Objects
      • Manage Firewall Object Groups
      • Manage Firewall Schedules
      • Active Directory Integration
    • Destination Network Address Translation
    • Source Network Address Translation
    • Configure System Access
    • Configure Firewall Policy Rules
      • Manage Firewall Policy Rules
      • Manage VPN Firewall Rules
  • Configure Proxy Services
    • HTTP/HTTPS Proxy Server
      • Configure URL And Content Filtering
      • HTTPS Proxy
  • Configure Virtual Private Network Settings
    • SSL VPN Server
      • Configure General SSL VPN Server Settings
      • Manage SSL VPN Client Accounts
      • Configure Advanced SSL VPN Server Settings
      • Configure Clients To Connect To Dome Firewall
    • IPsec Configuration
    • Configure L2TP Server
    • Configure IPSec/L2TP Users
  • View Logs
    • Realtime Logs
    • Configure Log Settings
    • Generate Reports
  • Appendix - Minimum Requirements For Software Installations

System Status


The System Status screen displays the running status information like loaded services, loaded modules usage of resources like physical memory, disk space and so on, of the DFW virtual appliance.

The screen displays the following information panes one below the other:

  • Services – Services which are currently loaded and their running status  status
  • Memory – System memory usage
  • Disk Usage – Hard disk usage
  • Uptime and Users – Shows how long Dome FW has been running since the last restart, and which users are currently logged-on to the system.
  • Loaded Modules – Shows kernel modules currently loaded into memory
  • Kernel Version – Shows current kernel version number

 

Administrators can navigate between sections by using the links at the top of the screen:




Services


The 'Services' pane shows a list of services that are currently loaded to the DFW virtual appliance and whether they are running or stopped. A service may be stopped if the corresponding daemon or script is not enabled.




Memory


The memory pane shows the usage status of the physical memory in the appliance.




Memory Usage - Row Descriptions

Row

Description

RAM

Shows the total RAM size, used memory size, free available memory size in KB and a bar indicating in the memory usage in percentage. It can be close to 100% if the appliance is runnig for long time since the Linux kernel uses all available RAM as disk cache to speed up I/O operations.

=/- buffers/cache

Shows the size of memory actually used by currently running processes. The memory used by processes should not exceed 80% of the total memory, otherwise, the active processes will be swapped to disk, which will reduce the performance of the system. If the memory usage exceeds the threshold for long periods of time RAM should be added to maintain the system performances.

Swap

Shows the memory dedicated for swapping services/processes and its usage status. The average swap usage will be below 20%, if not all the services are used all the time.

Disk usage


The 'Disk Usage' pane shows the hard disk drives/ partitions mounted on the appliance, their mount point and the space of each disk partition similar to the output of Linux Disk Free (df) command.




Disk Usage - Column Descriptions

Column

Description

Device

The disk device or partition for various DFW modules. Examples:

  • The main disk (/dev/sda1).
  • The data disk (/dev/mapper/local-var).
  • The configuration disk, where all the appliance settings are stored (/dev/mapper/local-config).
  • The log disk (/dev/mapper/local-log).
  • The shared memory, (/dev/shm/).

Mounted on

The mount point of the partition.

Size

The total size of the partition.

Used

Used space in the disk

Free

Free Space in the disk

Percentage

The usage of the disk space in percentage The used space in partitions that store the data and the logs grow over time. It is recommended to ensure that their usage does not exceed 95% to maintain the efficiency of the system.


Uptime and users


The 'Uptime and Users' pane indicate the period for which the DFw virtual appliance is continuously running from the last boot time and the list of users that are currently logged-in.




The first line displays the following items in order:

  • Current time
  • The period for which the DFW virtual appliance is up and running from the last boot time
  • The number of users currently logged into the system
  • The average load on the system for the past 1, 5 and 15 minutes.

Following the first line, a table displays the details of the currently logged-in users.


Users - Column Descriptions

Column

Description

USER

The username/type.

TTY

The name of the terminal from which the user is connected.

FROM

The remote host name from which the user is connected.

LOGIN@

The date and time at which the user logged-in to the system, for the current session.

IDLE

The period for which the user is idle.

JCPU

The time spent by the processes initiated by the terminal through which the used has connected to the system, excluding the past background jobs. However, it includes the background jobs that are currently running.

PCPU

The time spent by the currently running processes, initiated by the actions listed under 'What' column.

WHAT

Shows what the user is doing.


Loaded modules

The 'Loaded Modules' pane displays the Kernel modules that are currently loaded to the system.




Loaded Modules - Column Descriptions

Column

Description

Module

The name of the module.

Size

Size of the module.

Used by

Number of times the module is used and the parent modules that referred this module.


Kernel version

The Kernel version pane displays the version number of the kernel currently used.




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