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provider/openstack: ICMP Documentation 

Adds a note to the compute_secgroup_v2 documentation to clarify ICMP usage.
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Joe Topjian 2015-08-31 00:07:40 +00:00
parent 3f7c3a92c3
commit d7fa07b348
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website/source/docs/providers/openstack/r/compute_secgroup_v2.html.markdown
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@ -81,3 +81,20 @@ The following attributes are exported:
* `name` - See Argument Reference above.
* `description` - See Argument Reference above.
* `rule` - See Argument Reference above.
## Notes
### ICMP Rules
When using ICMP as the `ip_protocol`, the `from_port` sets the ICMP _type_ and the `to_port` sets the ICMP _code_. To allow all ICMP types, set each value to `-1`, like so:
```
rule {
from_port = -1
to_port = -1
ip_protocol = "icmp"
cidr = "0.0.0.0/0"
}
```
A list of ICMP types and codes can be found [here](https://en.wikipedia.org/wiki/Internet_Control_Message_Protocol#Control_messages).