shearer
Northern Lights
Premium
join:2002-06-18
Toronto, ON
clubs:
1 edit | [Kerio 2.x] What is "no owner"?
This thread is merely here to satisfy my curiosity.
Some entries in KPF 2.1.5 logs show the application as "No owner", per sample below.
Well I roughly guess that "no owner" means no application owns the packet. But I was wondering if some knowlegable guru here can provide a deeper explanation as to the causes behind it. Such as why does a packet has "no owner"? thanks |
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BlitzenZeus
Burnt Out Cynic
Premium,MVM
join:2000-01-13
Beaverton, OR | Well your log is incomplete to start as Kerio doesn't log anything without a rule, unless its from that 'suspicous' setting which just logs garbage/fragmented packets anyway. |
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shearer
Northern Lights
Premium
join:2002-06-18
Toronto, ON
clubs: | No, I always had the "Log suspicious packets" option disabled. The entry was from a 'catch all remaining outbound' rule I placed at the bottom of ruleset (i.e. block all outgoing from any application) |
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Bill_MI
Bill In Michigan
Premium,MVM
join:2001-01-03
Royal Oak, MI
 ·Comcast
| I think it means it cannot determine the owner and most likely the application closed before Kerio could get the info.
That's the OUTBOUND case you have. An INBOUND case happens a lot on things like late DNS replies or connection attempts after closing the program (like bittorrent). |
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shearer
Northern Lights
Premium
join:2002-06-18
Toronto, ON
clubs:
| Thanks Bill. Your explanation makes sense.
Among many proggies I've been testing recently, one now comes to mind, a TCP-based traceroute app which runs the trace using TCP SYN packets - which I believe Kerio picks up as "No Owner". Sort of like how the Windows built-in ping which leaves "Owner:TCPIP Kernel Driver" instead of "Owner: PING.EXE". |
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Bill_MI
Bill In Michigan
Premium,MVM
join:2001-01-03
Royal Oak, MI
·Comcast
| Yep, you already have the right insight how things really work. There's also a likelihood, Kerio 2.x older technology will get worse and worse at getting things right as the network stack evolves further. Not much you can do about that except... be wise.  |
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