Good question. Camel can only do what Netty can do, so you should first find out what is possible with Netty. If its possible then you can configure camel-netty in many ways, and if something is missing to set that port range, you are welcome to dive into the source code and provide a PR
On Wed, Nov 15, 2017 at 10:30 PM, Bagwell, Allen F <afba...@sandia.gov> wrote: > I have an intriguing problem with trying to set up a simple Netty4 endpoint > in Camel. > > The URL is simple enough: > > netty4:udp://X.X.X.X:30500?udpByteArrayCodec=true&requestTimeout=15000&connectTimeout=10000 > > This is using request-reply and so I expect to get a message returned back to > me and that response will continue along the route. > > However the server I'm talking to (and that I have no control over), accepts > the message and sends back the response using the same port on my local > machine that the UDP client was bound to. So in the example above, for > instance, is the port 23400 was randomly picked as my locally bound port to > establish the client, the server on the other end will read this out of the > UDP packet and send the response message back to port 23400 on my machine. > > The problem is that these messages need to pass through a firewall that only > has a small range of ports open for inbound messages to my client. So if the > server responds back trying to reach port 23400 on my machine and it's not in > the range allowed by the firewall then the response never reaches me. > > To get around this, the people who maintain the server have said I need to > set my locally bound port on the client to a number in the port range that > will be allowed through when the response comes back. So if port 25000 is in > the range, that is the socket my Netty client has to bind to when > instantiated. I've been searching for how to do this within the code examples > for Camel/Netty but can't find what I need. > > Is this even possible with Camel/Netty? And if not, what other alternatives > are available? > > Thanks, > -Allen -- Claus Ibsen ----------------- http://davsclaus.com @davsclaus Camel in Action 2: https://www.manning.com/ibsen2
