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Man Pages


Manual Reference Pages  -  RELAYCTL (8)

NAME

relayctl - control the relay daemon

CONTENTS

Synopsis
Description
Files
Diagnostics
See Also
History

SYNOPSIS

relayctl command [argument ...]

DESCRIPTION

The relayctl program controls the relayd(8) daemon.

The following commands are available:
host disable [name | id]
  Disable a host. Treat it as though it were always down.
host enable [name | id]
  Enable the host. Start checking its health again.
load filename
  Reload the configuration from the specified file.
monitor
  Continuously report any changes in the host checking engine and the pf(4) engine.
poll Schedule an immediate check of all hosts.
redirect disable [name | id]
  Disable a redirection. If it has pf(4) redirection rules installed, remove them. Mark the redirection’s main table and - if applicable - disable the backup table as well.
redirect enable [name | id]
  Enable a redirection. Mark the redirection’s main table and - if applicable - enable the backup table as well.
reload
  Reload the configuration file.
show hosts
  Show detailed status of hosts and tables. It will also print the last error for failed host checks; see the DIAGNOSTICS section below.
show redirects
  Show detailed status of redirections including the current and average access statistics. The statistics will be updated every minute. Redirections using the sticky-address option will count the number of sticky states, not the total number of redirected connections.
show relays
  Show detailed status of relays including the current and average access statistics. The statistics will be updated every minute.
show sessions
  Dump the complete list of running relay sessions.
show summary
  Display a list of all relays, redirections, tables, and hosts.
table disable [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 pf(4) table with those of the backup table.
table enable [name | id]
  Enable a table. Start doing checks for all hosts that aren’t individually disabled again.

FILES

/var/run/relayd.sock Unix Ns -domain socket used for communication with relayd(8).

DIAGNOSTICS

If a host is down and a previous check failed, relayctl will display the last error in the output of the show hosts command. This is especially useful for debugging server or configuration failures. The following errors will be reported:

none No specific error was reported by the check engine.

aborted
  All checks were aborted by an external event, like a configuration reload.

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 relayd(8) and can be avoided by increasing the global interval option in relayd.conf(5).

icmp read timeout
ssl read timeout
tcp read timeout
  The check failed because the remote host did not send a reply within the configured timeout.

icmp write timeout
ssl write timeout
tcp write timeout
ssl connect timeout
tcp connect timeout
  The check failed because relayd(8) was not ready to send the request within the configured timeout.

ssl connect error
ssl read error
ssl write error
tcp connect error
tcp read failed
tcp write failed
  An I/O error occurred. This indicates that 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.

ssl connect failed
tcp connect failed
  The check failed because the protocol handshake did not succeed in opening a stateful connection with the remote host.

script failed
  The external script executed by the check did not return a valid return code.

send/expect failed
  The payload data returned by the remote host did not match the expected pattern.

http code malformed
http digest malformed
  The remote host did not return a valid HTTP header or body.

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 relayd(8) was configured to expect a HTTP 200 OK status but the host is returning a HTTP 302 Found redirection. See relayd.conf(5) for more information on validating the HTTP return code.

http digest mismatch
  The remote host did not return the expected content and the computed digest was different to the configured value. See relayd.conf(5) for more information on validating the digest.

SEE ALSO

relayd(8)

HISTORY

The relayctl program, formerly known as hoststatectl, first appeared in
.Ox 4.1 . It was renamed to relayctl in
.Ox 4.3 .
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