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3 commits

Author SHA1 Message Date
David Goulet
be8bd2a46e hs-v3: Add enable/disable HS DoS introduce parameter 
Following prop305 values.

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2019-08-06 07:58:14 -04:00
David Goulet
c5b00c5a51 hs-v3: Add consensus parameters for DoS defenses 
Part of #15516

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2019-08-06 07:58:14 -04:00
David Goulet
9f738be893 hs: Limit the amount of relayed INTRODUCE2 
This commit add the hs_dos.{c|h} file that has the purpose of having the
anti-DoS code for onion services.

At this commit, it only has one which is a function that decides if an
INTRODUCE2 can be sent on the given introduction service circuit (S<->IP)
using a simple token bucket.

The rate per second is 25 and allowed burst to 200.

Basic defenses on #15516.

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2019-08-06 07:58:14 -04:00