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Changes in version 0.4.3.8 - 2021-02-03
Tor 0.4.3.8 backports numerous bugfixes from later releases,
including one that made v3 onion services more susceptible to
- denial-of-service attacks.
+ denial-of-service attacks, and a feature that makes some kinds of
+ DoS attacks harder to perform.
Note that this is, in all likelihood, the last release of Tor 0.4.3.x,
which will reach end-of-life on 15 Feb 2021.
@@ -19,6 +20,12 @@ Changes in version 0.4.3.8 - 2021-02-03
clients. Now we count traffic from both clients and services.
Fixes bug 40117; bugfix on 0.2.6.2-alpha.
+ o Major feature (exit, backport from 0.4.5.5-rc):
+ - Re-entry into the network is now denied at the Exit level to all
+ relays' ORPorts and authorities' ORPorts and DirPorts. This change
+ should help mitgate a set of denial-of-service attacks. Closes
+ ticket 2667.
+
o Minor feature (build system, backport from 0.4.5.4-rc):
- New "make lsp" command to generate the compile_commands.json file
used by the ccls language server. The "bear" program is needed for