Features/Automatic Proxy Settings: Difference between revisions
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access some network services. | access some network services. | ||
In this entry you can learn a way of configuring | In this entry you can learn a way of configuring automatic proxy server | ||
for testing purposes. | (PAC and WPAD) for testing purposes. | ||
For testing a proxy in XO you can go to: [http://wiki.sugarlabs.org/go/Features/Proxy_Settings Features/Proxy Settings] | For testing a proxy in XO you can go to: [http://wiki.sugarlabs.org/go/Features/Proxy_Settings#How_To_Test Features/Proxy Settings] | ||
== Benefit to Sugar == | == Benefit to Sugar == | ||
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== Scope == | == Scope == | ||
It's not directly related to XO, it's just a part for building an environment for proxy testing in XO | It's not directly related to XO, it's just a part for building an environment for automatic proxy testing in XO | ||
== | == PAC - Proxy Auto Config == | ||
PAC method for proxy is very simple. You have to create a web-accessible | |||
file with special syntax in which you include proxy server data. This example | |||
works with Apache server. You can take a look to [http://wiki.sugarlabs.org/go/Features/Automatic_Proxy_Settings#Bibliography Bibliograpy] | |||
for more info about PAC file configuration and installation in other webservers. | |||
Steps: | |||
* Install httpd web server: | |||
yum install httpd | |||
* Enable configuration override with htaccess | |||
vim /etc/httpd/conf/httpd.conf | |||
<Directory "/var/www/html"> | |||
... | |||
# | |||
# AllowOverride controls what directives may be placed in .htaccess files. | |||
# It can be "All", "None", or any combination of the keywords: | |||
# Options FileInfo AuthConfig Limit | |||
# | |||
AllowOverride None | |||
... | |||
</Directory> | |||
Replace the line "AllowOverride None" with "AllowOverride All" | |||
* Create a web enabled directory proxy | |||
mkdir /var/www/html/proxy | |||
* Create .htaccess file and the following content: | |||
vim /var/www/html/proxy/.htaccess | |||
AddType application/x-ns-proxy-autoconfig .pac | |||
* Create PAC file and add the following content: | |||
vim /var/www/html/proxy/proxy.pac | |||
function FindProxyForURL(url, host) { | |||
return "PROXY PROXY_SERVER_IP_OR_HOSTNAME:PORT"; | |||
} | |||
* Set permissions for the directory proxy | |||
chown -R apache.apache /var/www/html/proxy | |||
chmod -R 755 /var/www/html/proxy | |||
* Restart httpd web server | |||
service httpd restart | |||
* Test in your favorite browser | |||
[[File:testproxyiceweasel-1.png]] | |||
[[File:testproxyiceweasel-2.png|700px]] | |||
== WPAD - Web Proxy Autodiscovery == | |||
Web Proxy Auto-Discovery Protocol, or WPAD, is a technology which aids a web browser in automatically detecting the location of a PAC file using DNS or DHCP. | |||
A browser that supports both DHCP and DNS will first attempt to locate a PAC file using DHCP, and should a DHCP configuration not exist fail-over to DNS WPAD will occur. If neither are configured, a browser will fail open. [http://findproxyforurl.com/ Source] | |||
== Bibliography == | |||
* [http://en.wikipedia.org/wiki/Web_Proxy_Autodiscovery_Protocol Web Proxy Autodiscovery Protocol] | |||
* [http://findproxyforurl.com/ FindProxyForURL] | |||
* [http://en.wikipedia.org/wiki/Proxy_auto-config Proxy Auto Config] | |||