テクニカル・ノート 171003






2020/10/17 4:50


Since version 8.30 of our IAR Embedded Workbench for Arm the CMSIS Manager has a tab under Preferences > General > Network Connections where proxy settings can be set more comfortably.

This technical note describes how to configure web proxies for CMSIS-Pack installation in IAR Embedded Workbench for Arm between version 8.10 -- 8.22.


The CMSIS-Pack installer cannot use the operating systems proxy configuration, and requires that you add this information manually to the eclipse.ini file. This file is normally installed in:

C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.0\common\CMSIS-Manager

Proxy hosts and ports configuration can be added after the lines:


 The available options are:

-Dhttp.proxyHost= (default: <none>)

The hostname, or address, of the proxy server.

-Dhttp.proxyPort= (default: 80)

The port number of the proxy server.

-Dhttp.nonProxyHost= (default: localhost|127.*|[::1])

Indicates the hosts that should be accessed without going through the proxy. Typically this defines internal hosts. The value of this property is a list of hosts, separated by the | (pipe) character. In addition, the wildcard character * can be used for pattern matching.

For example, this line


indicates that every host in the domain and the localhost should be accessed directly, even if a proxy server is specified.

The default value excludes all common variations of the loopback address.

-Dhttps.proxyHost= (default: <none>)
-Dhttps.proxyPort= (default: 443)
-Dhttps.nonProxyHost= The HTTPS protocol handler will use the same nonProxyHosts property as the HTTP protocol


Notice that the property has no effect.



The CMSIS-Pack installer does not use the operating system’s normal proxy settings. If a proxy is needed, it requires manual configuration of the eclipse.ini file.

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