Nikolaos Milas:
> A next move could be closer examination of dropped packets by our
> firewall. I found this article for a start:
>
> https://networklessons.com/cisco/asa-firewall/cisco-asa-packet-drop-troubleshooting
>
I mentioned this, emphasis added:
> This is a TCP-level problem. The remote server's TCP/IP stack, OR
> SOME MIDDLE BOX, is refusing connections at the TCP level.
Look no further. CISCO PIX or ASA has a long history of screwing
up connections with protocol inspection or other features.
Wietse