4 FAQ tagged "proxy server"

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How To Secure Apache Proxy Server (mod_proxy) :
I’ve proxy (mod_proxy) enabled for Apache under Debian Linux 4.0 server. I’d like to use this to improve performance, but I don’t want an open proxy that can be used by anyone on the Internet? How do I secure my proxy as limiting access is essential as I’m using a forward proxy?
Linux Disabling Squid Proxy Server :
How do I disable Squid Proxy Serer under CentOS Linux operating system so that I can directly connect to the internet?
Squid Block any Domain Name Accessing the Internet :
Q. How do I block any website accessing the Internet using squid proxy server?
A. You can simply use squid ACL to block access to any web site. There are 3 steps:
#1. Create a text file with blocked domain name list such as baddomain1.com, mail.yahoo.com, gmail.com and so on
#2. Define Acl
#3. Restart squid
First, create a file [...]
How to determine or retrieve visitor’s IP address using PHP :
Q. How do I determine or retrieve visitor’s IP address using PHP server side programming?
A. Use following enviorment variable to get visitor’s IP address:
No Proxy detection
=> REMOTE_ADDR - Remote client IP address
With Proxy detection
=> HTTP_X_FORWARDED_FOR - Get Proxy server IP
PHP getenv() function
=> Use php getenv() function to read the value of the environment. [...]

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