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Subject: Telent Spam and virtual Machines Date: Fri Nov 18 2022 11:49 am
From: Digital Man To: Eastside75

  Re: Telent Spam and virtual Machines
  By: Eastside75 to Digital Man on Fri Nov 18 2022 04:59 am

 > I am running the Synch on a windows 7 32 bit VM using virtual Box on a
 > windows 11  system.

 > The IP of the VM uses a 10.* IP Mask while the host system uses 192.*

 > I have port 23 forwarded in the Virtual Box software from the 10. to the 192.

 > I am able to reach the BBS both locally and using the dyndns however the
 > board is getting spammed with logon attempts which I know is well documented.
 > I have increased the MAXCONCURRENT line in sbbs.cfg to 2 but this caused
 > another issue I did not think about at first.

 > All traffic is showing orignating from the 10. IP Mask becuase of the port
 > forward to the VM. No logs show outside IP addresses. This limits even me
 > logging in becuase my attempt shows from the same IP address as the scans.

 > I am new to working with VM's so maybe it is something I am missing. Any
 > insight into this?

You're not going to be able to use any IP or hostname-based filtering or
throttling on the BBS side with such a configuration. If you want to stick with
that configuration, then you'll need to do any IP filtering/throttling in the
host (not the guest) OS.
-- 
                                            digital man (rob)

This Is Spinal Tap quote #46:
"Not an Exit" - we don't want an exit. Well that's true.
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