How to set up a transparent HTTPS filtering proxy on CentOS

HTTPS protocol is used more and more in today’s web. While this may be good for privacy, it leaves modern network administrator without any means to prevent questionable or adult contents from entering his/her network. Previously it was assumed that this problem does not have a decent solution. Our how-to guide will try to prove […]
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How to set up proxy auto config on Ubuntu Desktop

Suppose you are using your Ubuntu Desktop laptop at home and workplace. When you are at your workplace, the corporate network your laptop is connected to is behind proxy. You would then have to turn on/off proxy depending on where you are. Of course you could manually update proxy settings of Ubuntu Desktop every time […]
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How to set up a transparent proxy on Linux

A transparent proxy sits between clients and the Internet, acting as a gateway for the clients. It’s called transparent because clients are not required to configure anything for the proxy. A transparent proxy is useful when it’s not possible or desirable to modify client configurations, ant yet it’s still necessary to intercept client’s requests. If […]
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How to use svn behind proxy

If your Linux host is behind a corporate proxy, and you are trying to access a svn repository located outside the corporate network, you will need to configure proxy settings in svn, so that svn traffic can traverse the proxy properly. While most Linux applications that require network access respect http_proxy environment variable, subversion ignores […]
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How to configure http proxy exceptions on Linux

When you are behind HTTP proxy, you need to configure proxy settings for your applications in one way or another. Typically you define http_proxy environment variable pointing to your proxy, so that all HTTP requests go through the proxy. But what if you want to bypass HTTP proxy for specific destination web servers? That’s when […]
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How to use git behind proxy on Ubuntu

If you would like to use git behind proxy, you can configure proxy settings via a following git-specific way. Note that setting http_proxy environment variable alone is not sufficient since the variable is ignored by git. You need to store proxy information in a git configuration file by using the following command. $ export http_proxy=http://myproxy.domain.com:1234 […]
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