5 May
2018
5 May
'18
4:35 p.m.
If they both use the same ports they cannot coexist on the same machine.
Ports opened on a wildcard address cannot be used by other programs that want to open the
same port on a specific address on the same machine
Ruben - ON3RVH
On 5 May 2018, at 22:09, Rob Janssen <pe1chl(a)amsat.org> wrote:
Now that my
IPs are propagating, I am attempting to convert my existing
4 private Java proxies to your code. Looks like it is working, but I do
have some questions to avoid potential issues. The old proxies were
defined by IP address - IP addresses are very tightly controlled,
because there's a mix of proxies and Echolink conferences running on the
one machine.
My program does not listen on individual addresses. It opens a wildcard socket for
each port, receives the traffic and gets the addresses from the OS using special system
calls. That way it can run serveral proxies and relays using only very few sockets,
improving the efficiency of the select().
You can just move over the existing Java proxies to the C program. Stop the Java
proxies and add their addresses to the config file of the C program.
I have no experience with conferences, I do not know if they can co-exist on the same
machine with the proxies. Probably not. It is probably best to use a separate
(virtual)
machine for them.
However, I am not sure. It could also be that having the software that opens ports at
an
explicit address and these wildcard ports can co-exist.
Rob
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