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2007Re: [BPQ32] block node entries

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  • Mark Harloff
    Jul 20, 2009

      Actually, it looks like John added the blocking
      feature in the latest release as 'default'. So,
      I do not need to change anything.
      Left with the default setting, I should not see
      any Node entries other than the ones that I have
      setup in the bpqaxip.cfg file. So far, I haven't
      even though there are a couple of systems trying
      to send me their broadcasts. Given that, it
      seems to be working fine.

      If I understand things right, the
      'DONTCHECKSOURCECALL' option would 'add' a
      callsign-ssid to the Nodes table even though
      there wasn't any corresponding entry in the AXIP
      file which is the opposite of what I am trying
      to accomplish.

      - Mark K2CAN

      Ron Stordahl wrote:
      > You can't prevent anyone sending to you if they know your IP address.
      > Of course if you know their IP address you can block their packets using
      > a firewall, but you would only rarely have to resort to that. More
      > important would be to prevent an unwanted node from connecting to your
      > node. This can be accomplished in two ways:
      > 1) If you do not have the AUTOADDMAP statement in your bpqaxip.cfg,
      > then they will not automatically be added allowing them to connect to
      > you. In addition you can include the option DONTCHECKSOURCECALL which
      > will prevent entries in your nodes table without the corresponding node
      > being configured in bpqaxip.cfg.
      > 2) If you do have the AUTOADDMAP statement, which has a valid purpose,
      > then you have to take an additional measure to prevent an uninvited node
      > from connecting. You can do this by entering a bogus IP address for
      > them thus:
      > MAP 'unwanted node call-SSID' UDP 10093 B
      > The is simply an unroutable IP address resulting in no possible
      > connection.
      > 3) I think AUDOADDMAP and DONTCHECKSOUCECALL are mutually exclusive, or
      > perhaps just meaningless if used together. I have not tried, perhaps
      > John can elaborate on that point.
      > Ron, N5IN
      > *From:* Mark Harloff <mharloff@...>
      > *To:* BPQ32 SIG <BPQ32@yahoogroups.com>
      > *Sent:* Sunday, July 19, 2009 7:37:37 PM
      > *Subject:* [BPQ32] block node entries
      > I thought the newest release had a solution to
      > the 'uninvited' nodes coming in via axip... but,
      > I can't seem to find anything on it.
      > Anyone know if and where the settings are.. ?
      > - Mark K2CAN
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