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| author | Alexander Færøy <ahf@torproject.org> | 2024-01-22 19:35:39 +0000 |
|---|---|---|
| committer | Alexander Færøy <ahf@torproject.org> | 2024-01-22 19:35:39 +0000 |
| commit | 693947be7be58e45d0c54495d58315cca7c24db5 (patch) | |
| tree | a39505ee1b5c4a0a8e6362e37f438d3730710de2 /spec/tor-spec | |
| parent | 18c77a790fdc3c6914fd5494f17d8b702526b560 (diff) | |
| parent | 67345c27c293793758967ee36239bad3bc05612c (diff) | |
| download | torspec-693947be7be58e45d0c54495d58315cca7c24db5.tar.gz torspec-693947be7be58e45d0c54495d58315cca7c24db5.zip | |
Merge branch 'rend_connected_empty' into 'main'
Misc clarifications around CONNECTED and BEGIN behavior
See merge request tpo/core/torspec!237
Diffstat (limited to 'spec/tor-spec')
| -rw-r--r-- | spec/tor-spec/opening-streams.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/spec/tor-spec/opening-streams.md b/spec/tor-spec/opening-streams.md index 757f776..799b4dc 100644 --- a/spec/tor-spec/opening-streams.md +++ b/spec/tor-spec/opening-streams.md @@ -68,6 +68,18 @@ payload is in one of the following formats: A number of seconds (TTL) for which the address may be cached [4 octets] ``` +Implementations MUST accept either of these formats, +and MUST also accept an empty RELAY_CONNECTED message body. + +Implmentations MAY ignore the address value, +and MAY choose not to cache it. +If an implementation chooses to cache the address, +it SHOULD NOT reuse that address with any other circuit. + +> The reason not to cache an address +> is that the exit might have lied about the actual address of the host, +> or might have given us a unique address to identify us in the future. + \[Tor exit nodes before 0.1.2.0 set the TTL field to a fixed value. Later versions set the TTL to the last value seen from a DNS server, and expire their own cached entries after a fixed interval. This prevents certain |