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Apache is a web server daemon (httpd). It responds to HTTP requests, and subsequently serves web pages. For example, if one of your visitors requests your domain,, from a web browser, Apache serves the index page for

Heading information

This interface displays the following heading information:

Server Version

The version of Apache that runs on the server.

Server BuiltThe time and date at which you installed Apache.
Current Time

The current time and date.

Restart Time

The time and date at which you last restarted the server.

Parent Server GenerationThe number of times that you have restarted Apache gracefully, which causes it to re-read its configuration file. This occurs, for example, whenever you add domains to your server.
Server uptime

The amount of time over which the server has run.

Total accessesThe total number of requests for your server.
Total TrafficThe total amount of traffic for your server, in Megabytes (MB).
CPU Usage

The total CPU usage and current load percentage (the percentage of the server’s currently-used processing power).

Under the CPU usage, the interface displays the following additional information:

  • The number of requests per second, bytes per second, and kilobytes per request that the server transfers.
  • The number of Apache sub-servers (workers or children) that serve requests.
  • The number of idle workers.



The Scoreboard section displays the following information about each worker on your server:

SrvThe worker's server number.
PIDThe operating system’s process ID number.

The number of requests that this worker has served for this connection, this child, and this slot, separated by forward slashes (/).

For example, 0/2055/7670 indicates the following request data:

  • 0 requests for this connection.
  • 2055 requests for this child.
  • 7670 requests for this slot.

The mode of operation. This column displays the following modes:

_The server is waiting for the connection.
SThe server is starting.
RThe server is reading the request.
WThe server is sending a reply.
KThe server is in keep alive (read) mode.
DThe server received a DNS request.
CThe server is closing the connection.
IIdle worker cleanup.
.Idle worker.
CPUThe worker’s CPU usage.
SSThe number of seconds since the start of the most recent request.
ReqThe amount of time that the worker required to process the most recent request, in milliseconds.
ConnThe amount of information that the worker transferred to the visitor, in Kilobytes (KB).
ChildThe total amount of information that the worker transferred, in Kilobytes (KB).
SlotThe total amount of information that the slot transferred, in Megabytes (MB).
ClientThe IP address of the user who requested the data.
VHostThe domain name of the server that requested the data.

The type of request that the server received.

  • GET indicates that Apache downloaded data.
  • POST indicates that Apache sent information to the server.

Apache dummy requests

Apache uses dummy requests to wake processes that listen for new connections. A dummy request is an HTTP request that Apache sends to itself. These requests, when Apache uses them without SSL, appear in access log files with the remote address set to the local host ( for IPv4 or ::1 for IPv6). These dummy requests are a normal part of Apache's functionality, which you can safely ignore.

Apache's dummy requests cannot use SSL. It is possible that servers with hosts that use SSL can receive noise in the log file that resembles the following:

[info] [client ::1] Connection to child 6 established (server localhost:443)
[info] Seeding PRNG with 656 bytes of entropy
[info] [client ::1] SSL library error 1 in handshake (server localhost:443)
[info] SSL Library Error: 336027900 error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol speaking not SSL to HTTPS port!?
[info] [client ::1] Connection closed to child 6 with abortive shutdown (server localhost:443)

On a lightly loaded server, this interface frequently shows a high number of dummy connections. This occurs because the feature displays the last request to a worker slot, which is typically a dummy request.

It may also appear that Apache currently handles a high number of OPTIONS requests when in fact the workers are simply idle.

Additional documentation