Setting the sysctl option net.ipv6.bindv6only to 1 seems to alleviate the Address in use error. Now lsof -itcp:113 shows:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME oidentd 25213 oident 6u IPv4 699967 0t0 TCP *:auth (LISTEN) oidentd 25213 oident 7u IPv6 699968 0t0 TCP *:auth (LISTEN) -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
