Setting up a Squid proxy with Clamav anti virus using c icap. Security is all about a defence in depth strategy. Create multiple layers of defence. Every layer presenting a different set of challenges, requiring different skill sets and technology. So every layer will increase the time and effort to compromise your environment. A content scanning proxy server may provide you with one of these defensive layers. How To Install Cgi Proxy Download' title='How To Install Cgi Proxy Download' />YoLinux Tutorial Java on Linux. This covers Java development and execution on Linux. Both commercially supported products and Open Source GPLd software will be covered. How To Install Cgi Proxy Download' title='How To Install Cgi Proxy Download' />A content scanning proxy checks all data for malware. It blocks all content presumed to be infected. This may prevent numerous infections of company computers. Basically, the proxy server is virusscanning all network traffic. But there is a severe limitation. WebBatch Evaluation 2017B Easy CGI scripting for your Windows webserver. Download your evaluation copy today. The evaluation copy allows nonlicensed users a. Welcome to Proxy. Proxy. org is the pragmatic web surfers guide to online privacy and anonymous web surfing. We give you the information and tools you need to be. This tutorial covers Rainloop webmail installation process on Arch Linux from both point of view configuration files for Apache and Nginx, using a virtual host. Use one of these free anonymous web proxy servers to hide your IP address when browsing the web. Web proxies are different than HTTP and SOCKS proxies. Oracle Web Cache Oracle Web Cache is a contentaware server accelerator with reverse proxy capability for Oracle Web Tier 10g and 11g portfolio. Any data requested through an SSL connection https cannot be scanned, precisely because it is encrypted. So if a blackhat is smart and serves all malware through HTTPS, a content scanning proxy will not stop that malware. There are man in the midle solutions that do allow you to inspect SSL traffic, but there are some limitations and this is outside the scope of this post. As I believe that most malware is still being served through unencrypted HTTP sites, a content scanning proxy does create an extra layer of defence. I think it is worth the effort. So I decided to create a content scanning proxy based on available open source software. In this case, open source as in free to use in commercial settings. So in this post I will document how to setup a content scanning proxy based on Squid 3. Squidclamav module and the Clamav anti virus scanner. The basis of this proxy server is Ubuntu 1. LTS. Important How does it workThe Squid proxy server must pass all content to the Clamav daemon. Squid cant do that by itself. Its needs some glue service. For this purpose, a standard protocol has been designed called ICAP. The c icap daemon, combined with the squidclamav module, is the glue between the proxy server and the anti virus software. The fun thing about c icap is that you can add extra content scanning features if you want, just by adding those modules. You can decide to implement additional commercial anti virus products in addition to Clamav. Installing Clamav and c icap development files. Apache or any other HTTP server with CGI support is required to display virus warnings to end users. Installing squidclamav module for c icap. Do not install squidclamav with apt get, this version seems to contain bugs that prevent pages from loading properly. The latest version straight from the vendor does work properly. Squid configuration. Please download my sample Squid. The icap lines are of interest. X Authenticated User. It is the icap URL that calls a particular icap service squidclamav that processes all data. Squidclamav icap module configuration. The configuration is stored in etcsquidclamav. I used maxsize 5. Of interest is the redirect url, which tells the user that a virus is found. That line redirects the user towards a page as shown at the beginning of this post. You can customise this page with CSS, for example, you can add the company logo to make it more official. This is the configuration I use Pid. File varrunc icapc icap. Commands. Socket varrunc icapc icap. Max. Keep. Alive. Requests 1. 00. Keep. Alive. Timeout 6. Min. Spare. Threads 1. Max. Spare. Threads 2. Threads. Per. Child 1. Max. Requests. Per. Child 0. Server. Admin youyour. Server. Name Anti Virus Proxy. Max. Mem. Object 1. Genesis Blogspot. Modules. Dir usrlibcicap. Services. Dir usrlibcicap. Template. Dir usrsharecicaptemplates. Template. Default. Language en. Load. Magic. File etcc icapc icap. Remote. Proxy. Users off. Remote. Proxy. User. Header X Authenticated User. Remote. Proxy. User. Header. Encoded on. Server. Log varlogc icapserver. Access. Log varlogc icapaccess. Service echo srvecho. Service squidclamav squidclamav. Configuring Apahce web server. The warning page should be put in usrlibcgi bin. You may have to copy clwarn. Also make sure that your Apache configuration contains a directive like Script. Alias cgi bin usrlibcgi bin. Directory usrlibcgi bin. Allow. Override None. Options Exec. CGI Multi. Views Sym. Links. If. Owner. Match. Order allow,deny. Allow from all. lt Directory. Automatic proxy configuration through DHCP and WPADTo make the entire setup extra nice, use your DHCP configuraiton to. Clients must be configured to autodetect proxy settings for this to work. Put a wpad. dat in the root directory of your http server function Find. Proxy. For. URLurl, host. Domain. Ishost, localhost return DIRECT. In. Nethost, 1. DIRECT. Download Apple Mobile Device Recovery Mode Driver here. Plain. Host. Namehost return DIRECT. In. Nethost, 1. DIRECT. PROXY proxy. And also add the appropriate mime type for. Restart the apache webserver after these modifications. Now add the proxy to the DNS configuration of your DNS server like proxy. Most important, add this directive to the general portion of the configuration file option local proxy config code 2. Add this directive to the particular scope for your network option local proxy config http proxy. Restart your DNS and DHCP server. Monitoring proxy performance. The cagemgr. cgi file provides very detailed information about the performance of your Squid proxy. This is more relevant regarding actual cahcing performance than for anti virus scanning, but this may be of interest. Especially the general runtime information is of interest, as it shows the hit rate, memory usage, etc. First, make sure you take the appropirate precautions as not to expose this page to the entire company. If you have installed squid cgi just browse to http your. Some example data Cache information for squid. Hits as of all requests 5min 1. Hits as of bytes sent 5min 8. Memory hits as of hit requests 5min 0. Disk hits as of hit requests 5min 0. Final words. This whole configuration shouldbe sufficient to setup a content scanning proxy server. I have no experience how well this solution performs and you may have to do some benchmarks if your own to determine if it is capable of handling the traffic users generate. The fun thing about this setup is that it is modular. For example, you can have one Squid HTTP box, and a separate host. Clamav service. Besides the whole content scanning part, a proxy server, based on some non scientific tests, does seem to. It may save you an expensive upgrade to a faster corporate internet connection. List of Free Unblocked Proxy Sites To Unblock Blocked Sites At School Office. What is a proxy site A proxy server is a site that acts as an intermediate between you and the site you are actually visiting. For your network it appears like you are browsing the proxy site while it serves you the content from some other site. This behavior allows us to openunblock sites at school, college and office that are otherwise blocked. This can also be used to browse anonymously, when you dont want the websites to track you. Here is a list of proxy sites to unblock blocked sites at school and office. You might also be interested in. List of best proxy sites to unblock blocked sites at school and office. Hide. My. Ass. com. At the top of the list of top 1. Hide. My. Ass and this is also our personal favourite. This is a fully featured and anonymized proxy services which allows you to have access to the files which are image hosted. It means you can not only unblock your banned websites but also can manually change the proxy and IP and enjoy stream less downloading. Proxify With Proxify you can access unlimited web pages with great speed. Unlike most other anonymous Web proxies, Proxify supports encryption via the SSL and HTTPS network protocols to make your system anonymous, thus you will have full access to all the sites even when they have been banned. Proxify also handles the basic functions of an anonymous proxy server well including hiding your IP address and filtering of cookies. Anonymouse. Anonymouse supports Web, email and Usenet news proxies and has existed on the Internet for many years now. In addition to the free open access, a low cost subscription is available for those who want to upgrade to faster proxy servers and additional services. Anonymouse supports both English and German languages. Proxy. org. This is yet another wonderful proxy to help you update your websites and make own listings. You can sort it as per your country IP and change the SSL proxies living under limits. Ninja Cloak. This free, Web based proxy utilizes CGI. To start an anonymous session from the Ninja Cloak home page, scroll down to the text box and enter the URL of a site to visit. An HTTPS option is also available providing additional security protection on the connection between your computer and the proxy. Jumbo Proxy. It is another free to use online proxy website that you can try. This site is up all the time and gives you unrestricted access to My. Space, Twitter, and Facebook etc. Zend. 2It is another very famous website. It comes with the options like Encode URL, Remove Scripts etc. Boom. Proxy. A quick proxy website for those people who want to visit on the blocked websites. You just need to enter the address and you will get access to the blocked website. Dont. Filter. It is an US proxy website that is good for accessing any type of website using an American IP address. Again, a very simple and easy to use proxy and give fast website access to the blocked websites. The Proxy Free. No other proxy sites can beat around the bush with this free proxy website. This site best suit for those people who dont know what the options usually are for. KProxy. KProxy is ideal for those who want to maximize their internet privacy. It works with more than five IP addresses at a time, so you can have full freedom to change your IP and enjoy the unrestricted music at Youtube. VTunnel. com. VTunnel. SSL encryption service. It unblocks your favorite websites and lets you have full access to GTalk, ICQ, My. Space, Facebook and e. Buddy account as normal even when the IP has been changed. Anonymizer. Anonymizer may the best known name among the anonymous Web proxy services. While it does offer a free service, most of the Anonymizer site is decided to up selling various related products. WHen using the free proxy, be prepared to see flashing UPGRADE NOW messages in the status bar of your browser. XRoxy. com. XRoxy. It comes with both free and paid services, which means if you want to get access to over 5. Blew. Pass. Blew. Pass is here to help you bypass internet filters and firewalls inposed by school, work, or country. Stay safe and anonymouse while securely browsing through its servers. Dont Filter. Dontfilter. Using the site you can access all the websites your network admin andor country dont want you to be looking at. Free. Proxy. 00. 0Free. Proxy is a recognised favourite amongst all of the users of free websites. The United States server status is why the server is as popular as it is, giving it a wide base of potential customers access to its anonymous services. When using 0. 00. Free, almost every single different blocked website that one wishes to access will be opened up to be visited without any fear. When using this server, there are a number of options available to more accurately streamline the web browsing experience into one that is fine tuned to ones particular preferences. With 0. 00. Free. Proxy, one can choose whether or not they want to view the URL of the page from the top, remove Java. Script, enable cookies, show images, show referring sites, use ROT1. Free. Gate. Free Gate is a web service that can be used either in English or in Chinese. As China is infamous for prohibiting all kinds of different sites, one can use Free Gate in order to unlock potentially inaccessible websites when they are overseas. This site is one of the most popular in the world due to the fact that it is stable, which is a relative rarity in a world of servers that are constantly offline or shut down due to insecure hosting. The one drawback to using this web service is that is reputation for its strengths is also, ironically, one of its weaknesses. Many employers may be aware of Free Gate and preemptively block the website altogether so that its service is rendered completely impossible. Web. Proxy. net. Web. Proxy is one of the best proxy website of 2. It is the quickest and easiest way to access blocked websites from anywhere in the world. First of all, open webproxy. URL of any website you want to surf anonymously. It will automatically assign you random IP address of another country and you will be able to access websites without any restriction. It is also capable of URL encryption that adds more security to while you browse different websites. So, visit Web. Proxy. Access torrent websites, You. Tube videos, Social Networks if they are blocked by your internet provider with the help of webproxy free service. Absolutely no registration is requred for using this free proxy website. You can also install their Google Chrome extension by clicking here. This will allow you to visit specific websites automatically with their service. This is another useful web proxy website that allows you to hide IP address as well as location while visiting websites. Different tracking tools like Google Analytics, Hitstats etc. So, by using proxy website like newipnow, you can completely hide your geographical information. By using newipnow, you can also choose any IP address of specific listed countries that should be assigned to you. You can easily get ip address of United States, France, Netherlands etc using this proxy service. Unblock. You. Tube. As I already mentioned that You. Tube is blocked in Pakistan and the only method to access it in Pakistan is proxy websites. For this purpose, unblock. You. Tube is one of the famous website for accessing You. Tube at restricted locations.