diff --git src/allmydata/node.py src/allmydata/node.py
index b68ee2f..2fcc9fa 100644
--- src/allmydata/node.py
+++ src/allmydata/node.py
@@ -256,7 +261,11 @@ class Node(service.MultiService):
 
         service.MultiService.startService(self)
         d = defer.succeed(None)
-        d.addCallback(lambda res: iputil.get_local_addresses_async())
+        # I2P: don't give out our other addresses
+        if self.get_config("node", "anonymize_local_addresses", False, boolean=True):
+            d.addCallback(lambda res: ['127.0.0.1'])
+        else:
+            d.addCallback(lambda res: iputil.get_local_addresses_async())
         d.addCallback(self._setup_tub)
         def _ready(res):
             self.log("%s running" % self.NODETYPE)
diff --git src/allmydata/scripts/create_node.py src/allmydata/scripts/create_node.py
index 4e23ac0..1d02931 100644
--- src/allmydata/scripts/create_node.py
+++ src/allmydata/scripts/create_node.py
@@ -73,6 +73,7 @@ def write_node_config(c, config):
         webport = ""
     c.write("web.port = %s\n" % webport)
     c.write("web.static = public_html\n")
+    c.write("anonymize_local_addresses = false\n")
     c.write("#tub.port =\n")
     c.write("#tub.location = \n")
     c.write("#log_gatherer.furl =\n")