AudioCodes Mediant 4000 SBC - Page 309

CHAPTER16 Services
Mediant 4000 SBC | User's Manual
Directives are grouped into Directive Sets, which you can then assign to HTTP Proxy Servers (see
Configuring HTTP Proxy Servers on page263), HTTP Locations (see Configuring HTTP Locations
on page266), and TCP/UDP Proxy Servers (see Configuring TCP- UDP Proxy Servers on
page269), using the 'Additional Directive Set' parameter in their respective tables.
For example, to control behavior of specific encoding and communication parameters relating to a
particular location, you can configure the following NGINX directives:
chunked_transfer_encoding off;
keepalive_timeout 50s;
● The device does not validate Directive Sets, which it passes directly to the NGINX
configuration file. If the configured directives are not entered using the correct
syntax, NGINX rejects the new configuration. For more information, refer to the
NGINX documentation at http://nginx.org/en/docs . An alphabetical index to all
directives can be found at http://nginx.org/en/docs/dirindex.html.
● By default, the device is configured with an HTTP Directive Set for rate limiting.
This directive ensures that priority is given to network traffic carrying SIP signaling
and media over HTTP traffic. It is highly recommended to configure these
limitations on the HTTP Proxy. This HTTP Directive Set includes the following
directives:
✔ "limit_conn": Specifies the maximum number of simultaneous client
connections (default 100).
✔ "limit_rate": Specifies the bandwidth limit per connection (bytes per second).
This syntax supports a suffix of "k" for kilobytes and "m" for megabytes. The
default is 0.
The following procedure describes how to configure HTTP Directive Sets through the Web
interface. You can also configure it through ini file [HTTPDirectiveSets] or CLI (configure
network > http-proxy > directive-sets).
➢ To configure an HTTP Directive Set:
1. Open the HTTP Directive Sets table (Setup menu > IP Network tab > HTTP Proxy folder >
HTTP Directive Sets).
2. Click New; the following dialog box appears:
3. Configure an HTTP Directive Set according to the parameters described in the table below.
4. Click Apply, and then save your settings to flash memory.
5. Configure directives for the HTTP Directive Set (see Configuring HTTP Directives on the next
page).
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