https://bugzilla.redhat.com/show_bug.cgi?id=1033606
Bug ID: 1033606
Summary: Failed to connect to network from Docker container
Product: Fedora
Version: 20
Component: docker-io
Assignee: l...@redhat.com
Reporter: mfoj...@redhat.com
QA Contact: extras...@fedoraproject.org
CC: golang@lists.fedoraproject.org, l...@redhat.com,
mat...@redhat.com, mgold...@redhat.com,
vba...@redhat.com
Description of problem:
Connecting to external network from Docker container fail due to firewalld. I
guess you must have masquerade enabled, however this is not mentioned anywhere.
I think docker-io should set the firewalld rules automatically, or tell users
that they need to enable masquarade in firewalld.
Version-Release number of selected component (if applicable):
Name : docker-io
Arch : x86_64
Version : 0.7
Release : 0.17.rc6.fc20
Steps to Reproduce:
1. $ yum install docker-io
2. $ systemctl enable docker.service
3. $ systemctl start docker.service
4. $ docker pull mattdm/fedora
5. $ docker run -i -t mattdm/fedora:latest /bin/bash
6. $ ping google.com
ping: unknown host google.com
When I stop firewalld on host (systemctl stop firewalld) and then restart the
docker (systemctl restart docker), the ping works like a charm.
Actual results:
Unable to connect outside the Docker container with firewalld enabled.
Expected results:
Docker should configure firewalld automatically (during install?), or inform
users to do so manually.
Additional info:
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