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Diffstat (limited to 'changes/prop205-simplified')
| -rw-r--r-- | changes/prop205-simplified | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/changes/prop205-simplified b/changes/prop205-simplified new file mode 100644 index 0000000000..25d204d598 --- /dev/null +++ b/changes/prop205-simplified @@ -0,0 +1,25 @@ + o Major features (client-side DNS): + + - The updating and usage of DNS cache is now configurable on a + per- client-port level. SOCKSPort, DNSPort, etc lines may now + contain {No,}Cache{IPv4,IPv6,}DNS lines to indicate that we + shouldn't cache these types of DNS answers when we receive them + from an exit node in response to a request from this port, and + {No,}UseCached{IPv4,IPv6,DNS} lines to indicate that if we have + cached DNS answers of these types, we shouldn't use them. It's + potentially risky to use cached DNS answers at the client, + since doing so can indicate to one exit + what answers we've gotten for DNS lookups in the past. With + IPv6, this becomes especially problematic. Using cached DNS + answers for requests on the same circuit would present less + linkability risk, since all traffic on a circuits is already + linkable, but it would also provide little performance benefit: + the exit node caches DNS replies too. Implements a simplified + version of Proposal 205. Implements ticket #7570. + + o Disabled features: + + - Client-side use of the DNS cache is now off by default. See "Major + features (client-side DNS)" for more information. Implements a + simplified version of Proposal 205. Implements ticket #7570. + |