<bypasslist> Element (Network Settings)
Provides a set of regular expressions that describe addresses that do not use a proxy.
<configuration>
<system.net>
<defaultProxy>
<bypasslist>
Syntax
<bypasslist>
</bypasslist>
Attributes and Elements
The following sections describe attributes, child elements, and parent elements.
Attributes
None.
Child Elements
Element | Description |
---|---|
add | Adds an IP address or DNS name to the proxy bypass list. |
clear | Clears the bypass list. |
remove | Removes an IP address or DNS name from the proxy bypass list. |
Parent Elements
Element | Description |
---|---|
defaultProxy | Configures the Hypertext Transfer Protocol (HTTP) proxy server. |
Remarks
The bypass list contains regular expressions that describe URIs that WebRequest instances access directly instead of through the proxy server.
You should use caution when specifying a regular expression for this element. The regular expression [a-z]+\\.contoso\\.com
matches any host in the contoso.com domain, but it also matches any host in the contoso.com.cpandl.com domain. To match only a host in the contoso.com domain, use an anchor ($
): [a-z]+\\.contoso\\.com$
.
For more information about regular expressions, see ..NET Framework Regular Expressions.
Configuration Files
This element can be used in the application configuration file or the machine configuration file (Machine.config).
Example
The following example adds two addresses to the bypass list. The first bypasses the proxy for all servers in the contoso.com domain; the second bypasses the proxy for all servers whose IP addresses begin with 192.168.
<configuration>
<system.net>
<defaultProxy>
<bypasslist>
<add address="[a-z]+\.contoso\.com$" />
<add address="192\.168\.\d{1,3}\.\d{1,3}" />
</bypasslist>
</defaultProxy>
</system.net>
</configuration>
See also
Feedback
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