http://ysshlyesehcnscptskrpai4iupxccuvfcpbxk37kclbs3rsaqmolzaid.onion/darknets.html
Depending on how paranoid you are, you can change those settings in I2P, and these settings can be made per application (e.g. web browsing, bittorrent, IRC, ...). A special type of tunnels are the exploratory tunnels , which are used for making lookups in the I2P DHT swarm , and changing their settings are generally pointless, and could be harmful from a security point of view.