squid web proxy server

I have written a blog: header_access to hide the header information. In order to hide the header information, it is a positive environment test to access webpages that do not allow proxy access, today, I read a blog written by Fukai and found that the security of the reverse proxy can be enhanced. I will record it first ~ Websites using squid# Curl-I www.php-oa.

Squid is one of the well-known proxy server software, and it is also the most popular high-performance caching proxy server software in Linux environment. It has the characteristics of strong function and simple setting. After a basic understanding of

1. Virtual Host(1) http/1.1 specification allows a single HTTP server to build multiple Web sites;(2) on the Internet, the domain name through the DNS service mapped to the IP address (domain name resolution) after the visit to the target site, that is, when the request was sent to the server, the IP address is already accessed;(3) If two domain names are deploye

Problem:The following error occurred while using the proxy to access the Web site:========================================The requested URL could not is retrievedWhile trying to retrieve the Url:http://linkhelp.clients.google.com/tbproxy/lh/fixurl?The following error was encountered:Unable to determine IP addresses from host name for linkhelp.clients.google.comThe DNSServer returned:TimeoutThis means:The ca

; Keepalive_timeout $; server {Listen443SSL; Resolver8.8.8.8; SSL on; Ssl_certificate/cert/SERVER.CRT; Ssl_certificate_key/cert/Server.key; Ssl_protocols TLSv1 TLSv1.1TLSv1.2; server_name example.com; Proxy_connect; Proxy_connect_allow443 563; Proxy_connect_connect_timeout 10s; Proxy_connect_read_timeout 10s; Proxy_connect_send_timeout 10s; Location/{proxy_pass https://$host;Proxy_set_header Host $host; } } }/usr/local/nginx/

Squid + iptables for transparent proxy errors-Linux general technology-Linux technology and application information, the following is a detailed description. Environment: linux fedora 8 (linux installed on VMware Server) Now I have created a proxy server on fedora 8. The Ip

Problem:When using a proxy to access a website, the following error occurs:==========================================================The requested URL cocould not be retrieved While trying to retrieve the URL: http://linkhelp.clients.google.com/tbproxy/lh/fixurl? The following error was encountered: Unable to determine IP address from host name for linkhelp.clients.google.com The dnsserver returned: Timeout This means that: The cache was not ab

Environment: WIN8.1+IE11After installing FIDDLER4, start Fiddler,ie11 open Baidu website, open failure: Proxy server unresponsive,On the internet to find a variety of methods, modify the settings of the Fiddler, can not solve the problem, can not open the site normally;Workaround:In a virtual machine, the environment:Win7+ie8After installing Fiddler4, start fiddler, do not need to modify any settings, open

If the Path of the Momo web server is improperly handled, it can be a forward proxy (idc machines/cannot access the office network) The Path of a web server in Momo is not properly handled. It can be a forward proxy. It is an idc

In many applications, you may need to record the real IP address of the user. In this case, you need to obtain the real IP address of the user. In JSP, you can obtain the IP address of the client by: request. getRemoteAddr (), which is effective in most cases. However, the real IP address of the client cannot be obtained through reverse proxy software such as Apache and Squid. During this time, the IP addre

Server 1. Install Squid Yum install-y Squid 2. Modify the configuration file Vim/etc/squid/squid.conf ACL localnet SRC 10.XX.XX.XX/8 # Qualifying Network ACL server_01 10.1.2.10 # Qualifying Client hosts Http_port 10.1.2.3:3128 # Limited to monitor intranet address client 1. Yum Agent: Vim/etc/yum.conf, join

What is Nginx?1.Nginx is a lightweight Web server that can be used as a reverse proxy.2.Nginx occupies less memory, Nginx took a phased resource allocation technology, making it CPU and memory occupancy rate is very low.3. Anti-concurrency ability. Processing requests are asynchronous and non-blocking, while Apache is blocking, and nginx can keep low resource con

a lot of nginx, concurrent can support to 20,000 +). In the static architecture, if the front end directly facing the CDN Live front-end 4-layer load, the full use of Nginx cache is enough. 4, I think if it is in the Apache service to improve performance, to do some local cache is completely OK, but if the system architecture in the cache with Apache service, it is a little cow head to the ponytail. Second, test varnish, squid, Apache, Nginx One,

Article Title: FreeBsd5.4 + pf + squid reverse proxy practical notes. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 1. hardware configurationHp netserver 800 P Ⅲ 1000 memory 256 M Inter82559 two NICs2. Partition InformationFilesystem Size Used Avail Capacity Mounted on

Configuring the Reverse ProxyOpen configuration fileVim/etc/squid/squid.confModify3128 Accel Vhost VportAdd a section below it115.239. 210.27 the 0 originserver name=acache_peer_domain a www.qq.comcache_peer 114.80.143.1580 Originserver name=bcache_peer_domain b www.163.comSee if the configuration file is wrongSquid-kchReloadSquid-kreBrowser viewTurn the forward agent off.Tools-internet Options-Connections-LAN Settings-switch off use a

First of all, you have to install the squid on this computer must be in the network, the system version is Windows 2000/xp/2003/server 2003. 1) First download squid for Windows version (http://www.jb51.net/softs/43599.html), Download the following address (zip file name: squid-2.7.stable4-bin.zip), you can download th

Objective: This paper mainly introduces the use of Squid and Squidguard configuration Proxy server in Linux, with the WWW Proxy service as an example to explain how to filter harmful sites and restrict users ' access to the Internet. I. INTRODUCTION Squid is the most popula

window, fill in the IP address 192.168.100.16 of the squid server in the address area, and fill in "8080" in the port area (after modification, the port number used by the squid proxy, that is, squid. http_port in conf, the default value is 3128). Click OK and exit.Next, ch

1. hardware configurationHp netserver 800 P Ⅲ 1000 memory 256 M Inter82559 two NICs2. Partition Information Filesystem Size Used Avail Capacity Mounted on/dev/da0s1a 248M 54M 174M 24% /devfs 1.0K 1.0K 0B 100% /dev/dev/da0s1f 4.8G 130M 4.3G 3% /home/dev/da0s1d 248M 12K 228M 0% /tmp/dev/da0s1g 4.8G 565M 3.9G 12% /usr/dev/da0s1e 5.8G 410K 5.3G 0% /var 3. System Installation Minimal Installation The installation of src and ports was originally intended to use ports for installation,

1, hardware configuration HP NETSERVER pⅲ1000 Memory 256M Inter82559 network card two sheets 2. Zoning situation FileSystem Size Used Avail Capacity mounted on /DEV/DA0S1A 248M 54M 174M 24%/ Devfs 1.0K 1.0K 0B 100%/dev /dev/da0s1f 4.8G 130M 4.3G 3%/home /dev/da0s1d 248M 12K 228M 0%/tmp /dev/da0s1g 4.8G 565M 3.9G 12%/usr /dev/da0s1e 5.8G 410K 5.3G 0%/var 3. Installation of the system With minimal installation And the installation of SRC and ports (originally intended to use ports inst