Network.proxy.autoconfig url

From MozillaZine Knowledge Base

The title given to this article is incorrect due to technical limitations. The correct title is network.proxy.autoconfig_url.

This article describes the preference network.proxy.autoconfig_url. To add, delete, or modify this preference, you will need to edit your configuration — do not edit this article.

1 Background
2 Possible values and their effects
3 Caveats
4 UI
- 4.1 Mozilla Firefox 1.5
- 4.2 SeaMonkey
5 Previous effects
6 First checked in
7 Has an effect in
8 Related bugs
9 Related preferences
10 External links

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Background

When using a single proxy for all HTTP traffic is not flexible enough, or if you need to centrally administer proxy settings for a network or organization, PAC (Proxy AutoConfiguration) files allow you to choose a proxy via script.

This preference points to a PAC file to be used by Mozilla when network.proxy.type is set to 2.

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Possible values and their effects

A URL (remote or local) to a valid PAC file. Default is an empty string.

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Caveats

This preference only has an effect if network.proxy.type is set to 2.
If the content pointed to in the preference changes, you may need to reload the file (a reload button is available next to the PAC URL field in the UI)
If the PAC file is invalid or contains errors, messages to this effect should appear in the JavaScript Console.
If the PAC file cannot be loaded, Mozilla will retry based on the preferences network.proxy.autoconfig_retry_interval_min and network.proxy.autoconfig_retry_interval_max.

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UI

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Mozilla Firefox 1.5

The field â€œAutomatic proxy configuration URLâ€ under â€œTools → Options → General → Connection → Connection Settings...â€

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SeaMonkey

The field â€œAutomatic proxy configuration URLâ€ under â€œEdit → Preferences → Advanced → Proxiesâ€

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Previous effects

Although this preference worked in Netscape Communicator, it did nothing in Mozilla until PAC functionality was implemented (see check-in date below).

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