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soreana / cisco-anyconnect-server-docker

Cisco anyconnect server docker container
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Cannot access SSH when client is connected #1

Open afshin-hoseini opened 3 years ago

afshin-hoseini commented 3 years ago

First of all, I really appreciate your effort. This image is what I really was looking for. I just faced an issue with connecting to host machine's internal network when my client is connected to OCServ container. Perhaps the container cannot access the host machine's network.

I don't know if linking the container to host network using --net=host suitable. Do you have any idea around it?

soreana commented 3 years ago

I'm glad you like it :D

I had the same issue. Because of some restrictions enforced by docker, you can't access the host IP from inside the container. Using --net=host is one option. I do not recommend it; because it binds the whole host network to the container.

I'm using a different approach. A container can reach the host via the 172.17.0.1 IP (gateway of the docker's default network). Rather than using the host's IP, you can use it to connect to the host. I double-checked this solution. It is working as expected. Something like: 

username@hostname$ ssh root@172.17.0.1

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Sun Dec 20 21:39:23 2020 from 172.17.0.3

username@hostname$
afshin-hoseini commented 3 years ago

Holy Moly... Yupe it works, but still I have issue for other domains and containers I have on host machine. But anyway, that would sufficient for now. If you found any solution around it, I'll appreciate let me know about it.

Thanks.