"# OpenBSD restriction: when the system has both IPv4 and IPv6\n"
"# addresses configured, \"\" listens on all IPv4 addresses, and \"::\"\n"
"# on all IPv6 addresses. There is no way to listen both on all IPv4\n"
- "# and on all IPv6 interfaces.")
+ "# and on all IPv6 interfaces.\n"
+ "# Systems using GNU libc such as Linux are frequently configured in a\n"
+ "# way that makes listen_addr "" listen only on all IPv4 addresses.\n"
+ "# You need to use \"::\" to listen on all IPv4 and IPv6 addresses.")
EMPCFBOTH("port", loginport, char *, NSC_STRING, KM_INTERNAL,
"TCP port the server will bind")
EMPCFBOTH("keep_journal", keep_journal, int, NSC_INT, KM_INTERNAL,