ipfw is making contact with 198.61.170.85 port 4021

[Jon Radel]

On 7/23/20 21:11, Ernie Luzar wrote:
> A firewall should not be making its own contact with any public ip
> address. This is a security hole.
>
> I have not played with ipfw since before it was rewritten to become
> ipfw2 so I do not know when this internal "call home"  function was
> added. pf and ipf are not doing this. I block it to be secure.
>
> Can any one provide any info about this?
>
What type of network is behind this firewall?

There any chance there's a security system with an EnvisaLink module
involved somewhere on that network?

http://forum.eyez-on.com/FORUM/viewtopic.php?f=6&t=4537&p=12719&hilit=4021&sid=219dbab688b1286687b661e31b4346b2#p12719

-- 
--Jon Radel
jon at radel.com


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