+\fBMaxConnections\fR (number)
+Maximum number of simultaneous in- and outbound connections the server is
+allowed to accept (0: unlimited). Default: 0.
+.TP
+\fBMaxConnectionsIP\fR (number)
+Maximum number of simultaneous connections from a single IP address that
+the server will accept (0: unlimited). This configuration options lowers
+the risk of denial of service attacks (DoS). Default: 5.
+.TP
+\fBMaxJoins\fR (number)
+Maximum number of channels a user can be member of (0: no limit).
+Default: 10.
+.TP
+\fBMaxNickLength\fR (number)
+Maximum length of an user nickname (Default: 9, as in RFC 2812). Please
+note that all servers in an IRC network MUST use the same maximum nickname
+length!
+.TP
+\fBMaxListSize\fR (number)
+Maximum number of channels returned in response to a LIST command. Default: 100.
+.TP
+\fBPingTimeout\fR (number)
+After <PingTimeout> seconds of inactivity the server will send a PING to
+the peer to test whether it is alive or not. Default: 120.
+.TP
+\fBPongTimeout\fR (number)
+If a client fails to answer a PING with a PONG within <PongTimeout>
+seconds, it will be disconnected by the server. Default: 20.
+.SH [OPTIONS]
+Optional features and configuration options to further tweak the behavior of
+ngIRCd are configured in this section. If you want to get started quickly, you
+most probably don't have to make changes here -- they are all optional.
+.TP
+\fBAllowedChannelTypes\fR (string)
+List of allowed channel types (channel prefixes) for newly created channels
+on the local server. By default, all supported channel types are allowed.
+Set this variable to the empty string to disallow creation of new channels
+by local clients at all. Default: #&+
+.TP
+\fBAllowRemoteOper\fR (boolean)
+If this option is active, IRC operators connected to remote servers are allowed
+to control this local server using administrative commands, for example like
+CONNECT, DIE, SQUIT etc. Default: no.
+.TP
+\fBChrootDir\fR (string)