August 2018
Beginner
462 pages
12h 36m
English
Content preview from Learning OpenStack Networking - Third Edition
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Firewall driver
The firewall_driver configuration option instructs Neutron to use a particular firewall driver for security group functionality. Different firewall drivers may be configured based on the mechanism driver in use.
Update the ML2 configuration file on compute02 and compute03 and define the appropriate firewall_driver in the [securitygroup] section on a single line:
[securitygroup] ... firewall_driver = iptables_hybrid
The iptables_hybrid firewall driver implements firewall rules using iptables and relies on the use of Linux bridges in-between the instance's tap interface and the integration bridge. The openvswitch firewall driver, on the other hand, implements firewall rules using OpenFlow and does not rely on Linux bridges ...
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