On 3/08/19 5:20 PM, Cameron Simpson wrote:
On 03Aug2019 08:52, DL Neil <pythonl...@danceswithmice.info> wrote:
On 3/08/19 8:32 AM, Terry Reedy wrote:
2. Do two systems connect directly peer-to-peer or through a server?
Exclusively the latter (thus far in the investigation).
If one party is remote and both are behind a NAT (_very_ common in
Australia, for example) then you always need an external intermediary.
Even if that intermediary does no more than connect some sockets from
each end together and blindly pass traffic.
As is the case with many of the A/V comms packages, if the software is,
or appears to be, a web-browser (IP port 80); then there should be no
particular problem with either NAT or firewalls.
However...
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Regards =dn
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