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Diffstat (limited to 'spec/path-spec/server-descriptor-purposes.md')
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diff --git a/spec/path-spec/server-descriptor-purposes.md b/spec/path-spec/server-descriptor-purposes.md new file mode 100644 index 0000000..3a7dca0 --- /dev/null +++ b/spec/path-spec/server-descriptor-purposes.md @@ -0,0 +1,19 @@ +<a id="path-spec.txt-6"></a> + +# Server descriptor purposes + +There are currently three "purposes" supported for server descriptors: +general, controller, and bridge. Most descriptors are of type general +-- these are the ones listed in the consensus, and the ones fetched +and used in normal cases. + +Controller-purpose descriptors are those delivered by the controller +and labelled as such: they will be kept around (and expire like +normal descriptors), and they can be used by the controller in its +CIRCUITEXTEND commands. Otherwise they are ignored by Tor when it +chooses paths. + +Bridge-purpose descriptors are for routers that are used as bridges. See +doc/design-paper/blocking.pdf for more design explanation, or proposal +125 for specific details. Currently bridge descriptors are used in place +of normal entry guards, for Tor clients that have UseBridges enabled. |