.B ber_sockbuf_io_tcp
The default stream-oriented provider
.TP
+.B ber_sockbuf_io_fd
+A stream-oriented provider for local IPC sockets
+.TP
.B ber_sockbuf_io_dgram
A datagram-oriented provider. This handler is only present if the liblber
library was built with LDAP_CONNECTIONLESS defined.
datagram semantics from upper layers.
.TP
.B ber_sockbuf_io_debug
-A generic handler that outputs hex dumps of all traffic.
+A generic handler that outputs hex dumps of all traffic. This handler
+may be inserted multiple times at arbitrary layers to show the flow
+of data between other handlers.
.LP
Additional handlers may be present in libldap if support for them was
enabled: