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[DOC] indicate in the doc how to bind to port ranges

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This part was missing from the new doc.
This commit is contained in:
Willy Tarreau 2010-03-22 11:53:56 +01:00
parent e45997661b
commit c5011ca82e
1 changed files with 26 additions and 10 deletions
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36
doc/configuration.txt
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@ -1239,13 +1239,13 @@ balance url_param <param> [check_post [<max_wait>]]
"http_proxy".
bind [<address>]:<port> [, ...]
bind [<address>]:<port> [, ...] interface <interface>
bind [<address>]:<port> [, ...] mss <maxseg>
bind [<address>]:<port> [, ...] transparent
bind [<address>]:<port> [, ...] id <id>
bind [<address>]:<port> [, ...] name <name>
bind [<address>]:<port> [, ...] defer-accept
bind [<address>]:<port_range> [, ...]
bind [<address>]:<port_range> [, ...] interface <interface>
bind [<address>]:<port_range> [, ...] mss <maxseg>
bind [<address>]:<port_range> [, ...] transparent
bind [<address>]:<port_range> [, ...] id <id>
bind [<address>]:<port_range> [, ...] name <name>
bind [<address>]:<port_range> [, ...] defer-accept
Define one or several listening addresses and/or ports in a frontend.
May be used in sections : defaults | frontend | listen | backend
no | yes | yes | no
@ -1256,9 +1256,25 @@ bind [<address>]:<port> [, ...] defer-accept
listened on. The same will apply for '*' or the system's
special address "0.0.0.0".
<port> is the TCP port number the proxy will listen on. The port is
mandatory. Note that in the case of an IPv6 address, the port
is always the number after the last colon (':').
<port_range> is either a unique TCP port, or a port range for which the
proxy will accept connections for the IP address specified
above. The port is mandatory. Note that in the case of an
IPv6 address, the port is always the number after the last
colon (':'). A range can either be :
- a numerical port (ex: '80')
- a dash-delimited ports range explicitly stating the lower
and upper bounds (ex: '2000-2100') which are included in
the range.
Particular care must be taken against port ranges, because
every <address:port> couple consumes one socket (= a file
descriptor), so it's easy to consume lots of descriptors
with a simple range, and to run out of sockets. Also, each
<address:port> couple must be used only once among all
instances running on a same system. Please note that binding
to ports lower than 1024 generally require particular
privileges to start the program, which are independant of
the 'uid' parameter.
<interface> is an optional physical interface name. This is currently
only supported on Linux. The interface must be a physical