Linux proxy

Pb_user_/ October 2, 2012/ Linux proxy/ comments

Nowadays using a proxy server could be the must-have option. My customer and friend contacted me and requested to solve this complex situation by installing a proxy server.

The most common reason for using a proxy is to hide your real IP and access resources that are blocked in your location. Another reason for using caching proxy servers could be a way to reduce the load on the network, increase throughput, save traffic, monitor the user activities and even block unwanted sites.

linux proxy

Another application of proxy server — web sites used for caching of generated pages to speed up loading of sites. In this article, I will show the best Linux proxy servers in the most popular variants that you can use in configuration. It allows increase network bandwidth and reduce the time of sites feedback by caching resources and pages. The pages and sites that are requested often could be used repeatedly.

You can configure caching as in operative memory, so on the hard drive if needed to cache lots of data at slow Internet. Also IP rotation could be implemented to have multiple outbound IPs when you surf the web.

Withal, Squid has extra wide opportunities of controlling the access to network resources. You can block not only the obvious queries to domains or certain file sizes upload, but also access to the network at a specific time, work of protocols and ports, and also many other things.

Squid supports not exceptionally only Linux operating system, however, initially, it was not so. This is another caching best Linux distro for proxy serverwhich is installed on the client side. It supports all major web protocols, but increasingly being used not for content caching, but for filtration and security of user privacy. Thanks to it, you can change web pages, cut out advertisement, control the cookies, limit the access to several web sites, also delete any objectionable content and manage the headings sent by browser.

In contrast to Squid, the program is configured through the quite convenient web interface. Although, at certain points you may be confused. Except of web interface, you can use the configuration file, but it is much more difficult. Polipo can be used for advertisement filtering, to increase the privacy or speed up the web sites by using page caching. As well as Privoxy it is mainly intended to provide privacy.These proxy server settings are used by the almost all Linux command-line utilities, e.

Cool Tip: Need to improve security of the Linux system? As only you have configured a proxy it is time to ensure that it works as expected. First off all it is required to check that the proxy server settings are set in the corresponding proxy variables.

Also it would be interesting to measure and compare response time of the remote resources and the Internet speed with and without proxy. Cool Tip: Stay anonymous during port scanning! Safe and easy penetration testing! If you use the same proxy server settings for the httpshttp and ftp traffic, you can use the following commands to set and unset the proxy settings:. Now use the setproxy and unsetproxy commands to set and unset Linux proxy server settings.

Improve anonymity, by using free public name servers! This site uses Akismet to reduce spam. Learn how your comment data is processed. Comments 3 anonymity proxy.

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The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. My company has a proxy auto-config script PACand that is the only way to get internet connection. By the way, the script is over lines of Javascript. Proxy settings are implemented differently according to the software you use.

On graphical desktop environments there are setup tools to configure a PAC; browsers like Chromium and Firefox detect the current desktop environment and import the proxy settings from there; Firefox also used to offer options for manual configuration of proxies and PAC URLs.

Integration of proxy options is not a priority for developers of text-only software packages. Each one of your tools will have to be manually configured to use a proxy.

You will need to read the documentation of the packages you will use in your GUI-less Linux to learn how to configure each of them to use the company's proxy. Learn more. Linux: how to set up proxy using pac script Ask Question. Asked 5 years, 8 months ago. Active 1 year, 10 months ago. Viewed 29k times. Anyone knows how to solve this problem?

What protocols are you trying to use from your GUI-less linux? What programs specifically? Correa Oct 17 '14 at Active Oldest Votes. Fabio A.The proxy provides many functions like anonymous navigation, access to geographically restricted content, or filter some content.

Well basically a proxy server is a computer that acts as an intermediate between your PC and the internet and all the traffic looks like the Proxy server did it.

Many Schools or Libraries and other places use proxies to block web pages like Social Networks. You send a request for Facebook then the proxy server filters the ip address for the website and returns a notification that the domain is blocked. Well, the VPN Virtual Private Network creates an encrypted tunnel between the server and your PC, but according to the provider, this can save some registries about your activity.

A good VPN provider tries to avoid saving your activity. Also, you can use a VPN to access to restricted geographic content from services like Netflix, Youtube, and others. But if you want to know more we have an article dedicated to VPN.

To the end of the day, the use of a VPN or a Proxy depends on you and your needs. So there you have it. Let me know your thoughts in the comment section below.

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Hi Friend, I have added the above lines replacing my proxy:portbut still unable to use curl command to reach the internet sites. Please let me know how to make these setting activated. Save my name, email, and website in this browser for the next time I comment. This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish.

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Linux Proxy Server

Sohail Mohd Sohail is a web developer and a Linux sysAdmin. He also loves to write how-to articles, applications reviews and loves to use new Linux distributions.

linux proxy

Leave a Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment.Everyone can access the internet with ease. Major problems of using browsing without a secured internet channel are Identity theft and security breaches.

One of the best ways to protect yourself from hackers is to use a proxy server. A proxy server is like a protective barrier between your system and the internet. These software applications that run on your fire-wall machine in order to prevent indirect Internet access to your network. Proxy servers are intermediate servers separating end users from the websites they browse. When you are using a proxy server, internet traffic goes through a proxy server on its way to the address requested by you.

The same happens for the data received from the address. Later proxy server pushes the data it received from the website to you. Squid is a free and easy to use Linux proxy server. It is an open-source forward proxy server with many functionalities.

It is being used by many organizations for their forward proxy needs. The primary use case for most of us have is to connect to the internet through a proxy server.

If you want to connect to the internet through your proxy, you need to configure ACLs Access Control List in your squid configuration. Edit squid. Now you can securely browse websites without fearing for Identity theft or hacking.

How to configure system proxy settings in Red Hat Enterprise Linux

For all the new posts regarding Linux make sure to keep an eye on eduCBA. This is a guide to Linux Proxy Server. You may also look at the following articles to learn more —. Your email address will not be published. Forgot Password?One of the basic tasks after building a new system in your environment is to set up a proxy to enable internet access on the server. Without further delay lets jump in. The syntax is below —. The above proxy configuration is for the current user only.

Episode #341: Introduction to Using Squid Web Proxy Server

If you are used to it, you can configure proxy from yast as well. Check Enable Proxy using tab. It will allow you to fill in details below like server details, authentication, etc.

How To Use Proxy On Linux Command Line?

Fill in details and you can test the configuration by selecting Test Proxy Settings. After successful testing select OK. You can even mention hostnamesIPs under No Proxy Domains so that they can be connected bypassing the proxy.

This is very much helpful when you have internet and local network repos configured under zypper. Here fill in proxy server details along with port and you are good to go. Add hostnames or IPs in Ignore Hosts so that they can be connected bypassing the proxy.

This is helpful when you have repo from the local server and internet configured under yum. As I mentioned a couple of times above, here is a particular case you may face in your system. You have a repo manager like zypper is configured with repo from the internet and also from a local patching server with FQDN. In such a case, you need a local repo to bypass proxy and internet repo should go through the proxy. Here entry patchingsvr.

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This site uses Akismet to reduce spam. Learn how your comment data is processed. Proxy in Linux. Suse yast proxy configuration. Network settings in RHEL. RHEL proxy configuration. Process states in Linux YUM cheat sheet How to resolve aclocal: not found error in Ubuntu 5 different examples to send email through Linux terminal Mailchimp KernelTalks newsletters are here!Here we will examine how to set proxy settings in RHEL 5 or 6.

This will also work for centOS 5 and 6 as well as most versions of Fedora. Most companies that run a proxy server will offer an auto configuration URL. This is the preferred way of offering a proxy configuration since it allows flexibility to the system administrator to dynamically change your settings. If you have been provided an auto configuration URL you can enter it here.

In Windows if you set the proxy in Internet Explorer then it is a system wide setting. In Linux you will still need to tell other applications about your new proxy settings, including your browser.

linux proxy

Another option is to set the proxy manually in the browser as well. The auto configuration URL you used above will not work when setting an environmental variable. Remember that if you set the variable via the command like described above it is only valid for the current shell.

If you open a new shell, or logout the variable will be unset. To make this setting available in all future shell instances we can export the variable via the. NOTE: The. In your favorite editor open the. Save and close the file, then clear the cache used by yum with the following command:yum clean all. I'm using Linux Oracle redhat and after configuring the proxy on Firefox, i've tried to configure it on shell but it just don't work.

It should work without issue.

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Are you actually able to telnet to the proxy servers port from the command line and get a connection directly from the commandline? Any ideas? It is basically written by MicroSoft, and as we all know MS uses the proxy setting in the browser as the system proxy as well.

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Ummm, no? While it's true that Windows tends to use the OS-level proxy information as the browser proxy not the other way aroundIf you read the draft spec, the proxy information is supposed to be updated every time the network configuration on the client undergoes a change. This is at the OS level. I'm suspecting that the Linux Network Manager stack simply ignores the proxy information at this point, so it doesn't get distributed down to the application level. Network Manager stack simply ignores the proxy information at this point, so it doesn't get distributed down to the application level.

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Steven VonaJune 13, 3 min read. Tags centos fedora how to linux proxy red hat rhel settings. Daniel Abujamra I'm using Linux Oracle redhat and after configuring the proxy on Firefox, i've tried to configure it on shell but it just don't work.

Firefox is working fine with the exactly proxy, but I can't ping or connect YUM Anonymous Daniel - Did you follow the directions above? Anonymous Hey how about if we have authentication on the proxy? Thomas Ummm, no? Anonymous how to set proxy in backtrack client computer!

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