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-rw-r--r--util/prosodyctl/check.lua4
1 files changed, 4 insertions, 0 deletions
diff --git a/util/prosodyctl/check.lua b/util/prosodyctl/check.lua
index 7400ba07..56c2c3f8 100644
--- a/util/prosodyctl/check.lua
+++ b/util/prosodyctl/check.lua
@@ -63,6 +63,7 @@ end
local function check_turn_service(turn_service, ping_service)
local stun = require "net.stun";
+ local ip = require "util.ip";
-- Create UDP socket for communication with the server
local sock = assert(require "socket".udp());
@@ -103,6 +104,9 @@ local function check_turn_service(turn_service, ping_service)
result.error = "STUN server did not return an address";
return result;
end
+ if ip.new_ip(result.external_ip.address).private then
+ table.insert(result.warnings, "STUN returned a private IP! Is the TURN server behind a NAT and misconfigured?");
+ end
-- Send a TURN "allocate" request. Expected to fail due to auth, but
-- necessary to obtain a valid realm/nonce from the server.