add CAP_NET_ADMIN to bootstrap containers #2266
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`iptables` needs CAP_NET_ADMIN along with the default capabilities granted to containers. This allows bootstrap containers to use `iptables` to configure the packet filter rules and policies, e.g. to drop incoming connections by default. Signed-off-by: Ben Cressey <[email protected]>
etungsten
approved these changes
Jul 5, 2022
arnaldo2792
approved these changes
Jul 6, 2022
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Issue number:
N/A
Description of changes:
iptablesneeds CAP_NET_ADMIN along with the default capabilities granted to containers.This allows bootstrap containers to use
iptablesto configure the packet filter rules and policies, e.g. to drop incoming connections by default.Testing done:
Ran a bootstrap container with
iptablescommands. Without this change, the commands failed with a "Permission denied (you must be root)" error. With this change, the commands ran successfully.Terms of contribution:
By submitting this pull request, I agree that this contribution is dual-licensed under the terms of both the Apache License, version 2.0, and the MIT license.