.\" $OpenBSD: relayctl.8,v 1.28 2014/02/12 11:23:52 schwarze Exp $ .\" .\" Copyright (c) 2006 Pierre-Yves Ritschard .\" .\" Permission to use, copy, modify, and distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above .\" copyright notice and this permission notice appear in all copies. .\" .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd $Mdocdate: February 12 2014 $ .Dt RELAYCTL 8 .Os .Sh NAME .Nm relayctl .Nd control the relay daemon .Sh SYNOPSIS .Nm .Ar command .Op Ar argument ... .Sh DESCRIPTION The .Nm program controls the .Xr relayd 8 daemon. .Pp The following commands are available: .Bl -tag -width Ds .It Cm host disable Op Ar name | id Disable a host. Treat it as though it were always down. .It Cm host enable Op Ar name | id Enable the host. Start checking its health again. .It Cm load Ar filename Reload the configuration from the specified file. .It Cm monitor Continuously report any changes in the host checking engine and the .Xr pf 4 engine. .It Cm poll Schedule an immediate check of all hosts. .It Cm redirect disable Op Ar name | id Disable a redirection. If it has .Xr pf 4 redirection rules installed, remove them. Mark the redirection's main table and \(en if applicable \(en disable the backup table as well. .It Cm redirect enable Op Ar name | id Enable a redirection. Mark the redirection's main table and \(en if applicable \(en enable the backup table as well. .It Cm reload Reload the configuration file. .It Cm show hosts Show detailed status of hosts and tables. It will also print the last error for failed host checks; see the .Sx DIAGNOSTICS section below. .It Cm show redirects Show detailed status of redirections including the current and average access statistics. The statistics will be updated every minute. Redirections using the .Ic sticky-address option will count the number of sticky states, not the total number of redirected connections. .It Cm show relays Show detailed status of relays including the current and average access statistics. The statistics will be updated every minute. .It Cm show routers Show detailed status of routers including the configured network routes. .It Cm show sessions Dump the complete list of running relay sessions. .It Cm show summary Display a list of all relays, redirections, routers, tables, and hosts. .It Cm table disable Op Ar name | id Disable a table. Consider all hosts disabled. If it is a main table of a redirection which has a non-empty backup table, swap the contents of the .Xr pf 4 table with those of the backup table. .It Cm table enable Op Ar name | id Enable a table. Start doing checks for all hosts that aren't individually disabled again. .El .Sh FILES .Bl -tag -width "/var/run/relayd.sockXX" -compact .It Pa /var/run/relayd.sock .Ux Ns -domain socket used for communication with .Xr relayd 8 . .El .Sh DIAGNOSTICS If a host is down and a previous check failed, .Nm will display the last error in the output of the .Cm show hosts command. This is especially useful for debugging server or configuration failures. The following errors will be reported: .Pp .Bl -tag -width Ds -compact .It Em none No specific error was reported by the check engine. .Pp .It Em aborted All checks were aborted by an external event, like a configuration reload. .Pp .It Em interval timeout The check did not finish in the configured time of an interval. This can happen if there are too many hosts that have to be checked by .Xr relayd 8 and can be avoided by increasing the global .Ic interval option in .Xr relayd.conf 5 . .Pp .It Em icmp read timeout .It Em ssl read timeout .It Em tcp read timeout The check failed because the remote host did not send a reply within the configured timeout. .Pp .It Em icmp write timeout .It Em ssl write timeout .It Em tcp write timeout .It Em ssl connect timeout .It Em tcp connect timeout The check failed because .Xr relayd 8 was not ready to send the request within the configured timeout. .Pp .It Em ssl connect error .It Em ssl read error .It Em ssl write error .It Em tcp connect error .It Em tcp read failed .It Em tcp write failed An I/O error occurred. This indicates that .Xr relayd 8 was running low on resources, file descriptors, or was too busy to run the request. It can also indicate that an SSL/TCP protocol error occurred or that the connection was unexpectedly aborted. .Pp .It Em ssl connect failed .It Em tcp connect failed The check failed because the protocol handshake did not succeed in opening a stateful connection with the remote host. .Pp .It Em script failed The external script executed by the check did not return a valid return code. .Pp .It Em send/expect failed The payload data returned by the remote host did not match the expected pattern. .Pp .It Em http code malformed .It Em http digest malformed The remote host did not return a valid HTTP header or body. .Pp .It Em http code mismatch The remote host did not return a matching HTTP error code. This may indicate a real server problem (a server error, the page was not found, permission was denied) or a configuration error. For example, it is a very common mistake that .Xr relayd 8 was configured to expect a HTTP 200 OK status but the host is returning a HTTP 302 Found redirection. See .Xr relayd.conf 5 for more information on validating the HTTP return code. .Pp .It Em http digest mismatch The remote host did not return the expected content and the computed digest was different to the configured value. See .Xr relayd.conf 5 for more information on validating the digest. .El .Sh SEE ALSO .Xr relayd 8 .Sh HISTORY The .Nm program, formerly known as .Ic hoststatectl , first appeared in .Ox 4.1 . It was renamed to .Nm in .Ox 4.3 .