[tor-relays] Is my node dropping packets?

[Eddie]

On 7/29/2021 7:57 AM, Marco Predicatori wrote:
> Hi, my Tor node is inside a local network protected by a firewall. Only port 9001
> is NATted towards the Tor server.
> Moreover, I have iptables active on the Tor server itself. The outer firewall
> blocks any incoming packet except for packets on port 9001 and returning packets
> from established connections.
>
> My iptables blocks several packets which were allowed through by the outer firewall,
> where I assume they are recognized as returning packets from established
> connections. Then my local iptables drops them. I can't understand why.
>
> You can find here an extract from my Tor node "iptables -L -n" and a typical
> day's log of dropped packets on the Tor node:
> https://easyupload.io/m/48if5l
>
> Many packets coming from other Tor nodes where dropped. The Tor log doesn't mention
> any problem. What may be wrong?
>
> --

Not that it helps any, but I see exactly the same scenario on my system 
as well.  It averages about 200 dropped packets per day.

Cheers.