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Process-level connection management

For one reason or another, you may need to change the standard behavior of our Firefox browser, restrict its work, or, conversely, speed it up. One of the important parts of a browser is dealing with connections.

Firefox has a number of connection settings, such as:

• network.http.max-connections - maximum number of concurrent active HTTP connections per process;

• network.http.max-persistent-connections-per-proxy - maximum number of concurrent connections via HTTP proxy per domain;

• network.http.max-persistent-connections-per-server - the maximum number of simultaneous connections without a proxy, or through a SOCKS proxy per domain;

• network.http.pipelining - using pipelining without a proxy. If the server supports pipelining, then several requests to the server can be processed simultaneously through one connection of your computer;

• network.http.proxy.pipelining - similarly using pipelining with a proxy;

• network.http.pipelining.maxrequests - the maximum number of pipeline requests.

Depending on the power of your computer and the bandwidth of the Internet channel, you can change the restrictions, both up and down.

In ZennoPoster, the default browser configuration looks like this:

pref("network.http.max-connections", 16);
pref("network.http.max-persistent-connections-per-proxy", 8);
pref("network.http.max-persistent-connections-per-server", 8);
pref("network.http.pipelining", false);
pref("network.http.proxy.pipelining", false);
pref("network.http.pipelining.maxrequests", 1);

Instance-level connectivity management

ZennoPoster uses the division of the process into instances, in this case the standard settings of connection restrictions apply in total to all instances at once. In this regard, in version 5.11.2.0, special settings were introduced that operate in tandem with the standard ones:

• network.http.max-connections-per-instance - maximum number of concurrent active HTTP connections per instance;

• network.http.max-persistent-connections-per-proxy-per-instance - the maximum number of simultaneous connections via HTTP proxy per instance;

• network.http.max-persistent-connections-per-server-per-instance - the maximum number of simultaneous connections without a proxy, or through a SOCKS proxy per instance.

By default, these settings are set to 0 and are ignored.

If you want to change these settings in your template, then use the C# snippet:

instance.SetBrowserPreference("network.http.max-connections-per-instance", 2 );
instance.SetBrowserPreference("network.http.max-persistent-connections-per-proxy-per-instance", 2 );
instance.SetBrowserPreference("network.http.max-persistent-connections-per-server-per-instance", 2 );

Thus, now you can customize the Firefox browser in ZennoPoster more precisely.