diff options
Diffstat (limited to 'doc/tor-spec.txt')
| -rw-r--r-- | doc/tor-spec.txt | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/tor-spec.txt b/doc/tor-spec.txt index 347397ce6..6a740bce7 100644 --- a/doc/tor-spec.txt +++ b/doc/tor-spec.txt @@ -571,7 +571,12 @@ when do we rotate which keys (tls, link, etc)? The IPv6 address to which the connection was made [16 octets] A number of seconds (TTL) for which the address may be cached [4 octets] [XXXX Versions of Tor before 0.1.1.6 ignore and do not generate the TTL - field. No version of Tor currently generates the IPv6 format.] + field. No version of Tor currently generates the IPv6 format. + + Tor servers 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 + attacks.] The OP waits for a RELAY_CONNECTED cell before sending any data. Once a connection has been established, the OP and exit node |