FAQ（ECL1.0）

vFirewall / vLoad Balancer - FAQ

• All(12)

• Can I export and import vFW/vload balancer's setting information?vFirewall / vLoad Balancer

  I'm afraid we do not provide functions that allow us to export or import vFW and vload balancer's setting information.

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• I want to register TCP port number 1024-65535 as a group of service object with vFirewall. Is it possible?vFirewall / vLoad Balancer

  We are afraid multiple ports cannot be registered as a group. Please register service object separately, or choose “ANY”.

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• When adding vFW filter, NAT and NAPT rules, we can configure a target network as "Host - svxXXXXXXX LANX". Where can we find the id, "svxXXXXXXX"?vFirewall / vLoad Balancer

  The ID which starts from jvx, svx, evx or uvx is assigned to virtual server, NW and GW. It's called System ID.

  Please select a virtual server and go to "Info" tab. Then you can find "System ID".
  Or, please search below keyword according to your service location on the search window in the upper right corner of the screen.

  • Europe: evx
  • United States: uvx
  • Japan, Hong Kong: jvx
  • Asia (except for Japan and Hong Kong): svx

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• How many letters can I enter for a Cookie name upon setting session maintenance for vLoad Balancer?vFirewall / vLoad Balancer

  You can set a name that is 64 characters long or less in alphanumeric characters as a Cookie name.

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• Are there ways to check logs of vFirewall or vLoad Balancer?vFirewall / vLoad Balancer

  Due to service specifications, we do not offer logs (as of March 2015).
  Thank you for your understanding.

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• What is the method of session maintenance for vLoad Balancer?vFirewall / vLoad Balancer

  The timeout interval for TCP connections on transport layer is set at 600 seconds.
  When TCP idle time exceeds 600 seconds, connections will be automatically deleted.

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• Network connection is not stable by being disconnected intermittently. Why is this?vFirewall / vLoad Balancer

  There is a possibility that network I/O is reaching the maximum level limit.
  Please check performance information from vFirewall or vLoad Balancer.

  [Reference] -Enterprise Cloud User's Guide
  Viewing firewall performance

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• Are there any influences on existing sessions when changing the settings for vFirewall or vLoad Balancer?vFirewall / vLoad Balancer

  Changing the settings for vFirewall or vLoad Balancer on Customer Portal may cause network interruption.

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• If I temporarily exceed the amount of resources formerly agreed included in my vFirewall contract, what sort of resource-limiting will be put in place? Will there ever be a time where my TCP connection will be reset?vFirewall / vLoad Balancer

  In the event that the allotted amount of vFirewall resources is exceeded, any existing sessions will remain untouched.
  However, any request to make new TCP/UDP/ICMP sessions will be denied until resource usage is reduced below the agreed limit.
  There is no case where existing TCP connections will be reset.

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• When is the change in vFirewall of vLoad Balancer setting going to be applied?vFirewall / vLoad Balancer

  The settings for session maintenance method will be applied to vLoad Balancer immediately.
  Existing sessions will not be disconnected at the time you set it; new setting will be applied to newly opened sessions after the setting is made.

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