Hi all, I have a strange goal.....
the setup: two sites ("a" and "b") both with linux machines running
shorewall. a machine at site 'a' needs to connect to services on a
machine at site 'b'. both sites have dsl with dynamicaly assigned ip
addresses. site 'b's ip can be resolved from siteb.dynamic.dns.com (one
of those fancy dynamic-dns sites)
the goal: to have a computer at site 'a' connect to a port on the
internal nic of the router at site 'a' and have it transparently
communicate through this port to a computer at site 'b'. this will be a
windows networking/smb connection, so the client machine and the server
can't specify a port number. For various reasons we cannot expose the
standard smb port at site 'b'.
I know i can use DNAT on the router at site 'b' to accept connections on
port 12345 and send them to the server port 139.
what can i use at site 'a' to accept connections on port 139 on the
local interface and forward them to siteb.dynamic.dns.com port 12345?
If I specify the fqdn in the shorewall config I see two problems: it
either will not work at all, or it'll resolve the address once (when
shorewall is started) and never again.
I'd like to avoid setting up a vpn as i'm short on time, and I can't
install ssh on either machine.
ideas? comments? suggestions?
thanks,
+matt
ps. let me know if you need me to clarify anything
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