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-rw-r--r--doc/tor.1.txt4
-rw-r--r--src/or/config.c3
2 files changed, 4 insertions, 3 deletions
diff --git a/doc/tor.1.txt b/doc/tor.1.txt
index d6b51cb0d4..5cf7ff7e3d 100644
--- a/doc/tor.1.txt
+++ b/doc/tor.1.txt
@@ -946,7 +946,9 @@ The following options are useful only for clients (that is, if
nodes via this connection.
**UseIPv4Cache**;;
Tells the client to use any cached IPv4 DNS answers we have when making
- requests via this connection. (On by default.)
+ requests via this connection. (NOTE: This option, along UseIPv6Cache
+ and UseDNSCache, can harm your anonymity, and probably
+ won't help performance as much as you might expect. Use with care!)
**UseIPv6Cache**;;
Tells the client to use any cached IPv6 DNS answers we have when making
requests via this connection.
diff --git a/src/or/config.c b/src/or/config.c
index 9f54d3da08..04f512b804 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -4596,7 +4596,6 @@ port_cfg_new(void)
port_cfg_t *cfg = tor_malloc_zero(sizeof(port_cfg_t));
cfg->ipv4_traffic = 1;
cfg->cache_ipv4_answers = 1;
- cfg->use_cached_ipv4_answers = 1;
return cfg;
}
@@ -4844,7 +4843,7 @@ parse_port_config(smartlist_t *out,
int no_listen = 0, no_advertise = 0, all_addrs = 0,
bind_ipv4_only = 0, bind_ipv6_only = 0,
ipv4_traffic = 1, ipv6_traffic = 0, prefer_ipv6 = 0,
- cache_ipv4 = 1, use_cached_ipv4 = 1,
+ cache_ipv4 = 1, use_cached_ipv4 = 0,
cache_ipv6 = 0, use_cached_ipv6 = 0;
smartlist_split_string(elts, ports->value, NULL,