How To Install Cgi Proxy Error

How To Install Cgi Module

Squid is a proxy server for caching and filtering web content. Squid proxy is used by various organisation and internet providers to reduce bandwidth and to increase response time. Squid proxy service will cache the requested web-content and re-using it for the further request of the same content. In the above diagram, squid proxy will cache the webcontent of krizna.com from the ISP during the first request and it will deliver the cached content for the further requests of krizna.com without requesting from ISP. This will reduce bandwidth and will increase response time as the content is delivered from the local network.

An Nahw Al Wadih Pdf Printer. This tutorial will show you how to configure Nginx as both a web server and as a reverse proxy. We will install an Apache.

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» » » » » » » » » Install squid proxy on centos 6: In this article we can see how to install and configure squid proxy on centos 6. After installing Centos 6 ( ) and configuring network () Update yum repositories and packages by typing the below command [root@leela ~]# yum update. # # Recommended minimum configuration: # acl manager proto cache_object acl localhost src 127.0.0.1/32::1 acl to_localhost dst 127.0.0.0/8 0.0.0.0/32::1 # Example rule allowing access from your local networks. Refresh _pattern. 0 20% 4320 Step 2» Now start squid service [root@leela ~]# service squid start and type this below command to start squid service automatically while booting.

[root@leela ~]# chkconfig --levels 235 squid on Step 3 » Setup your web browser to access Internet through proxy server on port 3128. IE: Tools » Internet options »Connections » LAN settings » Choose “Use a proxy server for your LAN” » Type your Proxy server ip (192.168.1.11 ) and port no 3128 Firefox: Options / Preferences » Advanced » Network » Settings » Choose “Manual proxy configuration ” » Type your Proxy server ip (192.168.1.11 ) and port no 3128 Step 4 » Browse some sites and check the access log file on proxy server. .388 20443 192.168.1.15 TCP_MISS / 200 1911 CONNECT s - static. Net: 443 - DIRECT / 23.64.77.177 - Troubleshooting: If you not able to browse using proxy settings, Disable the firewall ( iptables ) and selinux service on your squid proxy server.

Disable firewall ( Iptables ) » [root@leela ~]# service iptables stop [root@leela ~]# chkconfig iptables off Disable Selinux » open the file /etc/selinux/config and find the line SELINUX=enforcing and replace with SELINUX=disabled now reboot the server and try step 4. Configure squid proxy as web filter: You can restrict user access to particular websites or keywords using access control lists (ACLs). » Restricting Access to specific web sites: For example, we can see how to block facebook.com and gmail.com. Step 1 » create a file ( /etc/squid/blockedsites.squid ) and add the site names one per line.

[root@leela ~]# cat /etc/squid/blockedsites.squid #blocked sites www.facebook.com www.gmail.com Step 2 » Open the /etc/squid/squid.conf and create a new acl ” blocksites” and acl type “dstdomain” in the acl section like the below. Http_access deny blockkeywords! Allowip » Changing squid proxy port number: You can change squid proxy port number, by default it uses 3128 port. Just find the below line in “/etc/squid/squid.conf” http_port 3128 and replace with http_port 8000 # whatever port number you want » Restricting Download size: You can restrict download file size using reply_body_max_size. Add the below line at the bottom of the http_access section #Restrict download size reply_body_max_size 10 MB all or #Restrict download size reply_body_max_size 10 MB!allowip » Configuring Squid as Transparent Proxy: You can configure squid as transparent proxy.