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netcallback

orignal version

This version of netcallback is a modification of Copyright © 2001 Alexander V. Konstantinou found here

The original work, and therefore this update, is licensed under the GPL.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program (see included COPYRIGHT.txt file); if not, write to the Free Software Foundation Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

examples

java -jar netcallback.jar public --service-port 9999 --tcp-port 81
java -jar netcallback.jar private --service-host 10.11.10.11 --service-port 9999 --tcp-host my-inside.service.localdomain --tcp-port 8090

Docker

In addition to the command line parameters described above, netcallback can be configured using environment variables. This allows configuration consistent with what one might expect to deploy in a containerized Docker environment. The environment variables are:

  • NCB_SERVER_TYPE
  • NCB_SERVICE_PORT
  • NCB_SERVICE_HOST
  • NCB_INITIAL_ANONYMOUS_PORT
  • NCB_FINAL_ANONYMOUS_PORT
  • NCB_TCP_HOST
  • NCB_TCP_PORT
  • NCB_UDP_HOST
  • NCB_UDP_PORT
  • NCB_SSL

Running a Docker container might look like this

docker run -d -p 8081:8081 -p 9999:9999 -p 57000-57100:57000-57100 \
-e NCB_SERVER_TYPE=public \
-e NCB_SERVICE_PORT=9999 \
-e NCB_TCP_PORT=8081 \
-e NCB_INITIAL_ANONYMOUS_PORT=57000 \
-e NCB_FINAL_ANONYMOUS_PORT=57100 \
--restart=always --name netcallback netcallback

docker run -d -p 9999:9999 \
-e NCB_SERVER_TYPE=private \
-e NCB_SERVICE_HOST=10.200.100.10 \
-e NCB_SERVICE_PORT=9999 \
-e NCB_TCP_HOST=service.host \
-e NCB_TCP_PORT=8080 \
--restart=always --name netcallback netcallback