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List all IP addresses available on a linux server

This article deals with Linux based systems.

While working with a server with many IP addresses you may need to list all of the IP addresses on the server. Most commands may give you more information than you may need. To get a list of only the IP addresses use the following command:

The IP address available on the server will be displayed in a list like this:

192.168.1.2
192.168.1.3
192.168.1.4
192.168.1.5
192.168.1.6
192.168.1.7
192.168.1.8
192.168.1.9
192.168.1.10
etc…

I have found that this makes it easier to cut and paste into a text file and then later add the IPs to a database.

Use a proxy with PHP and CURL

Here is a simple script to use a proxy in PHP with CURL.

This is an example if you are using IP authentication with the proxies:

If you are using the proxies with username/password authentication use the following code:

The Functions Of A Proxy Server

A private proxy server is basically a combination of single or multiple software and hardware that are designed in a way to provide certain networking facilities to customers. It could also be considered to be a software or hardware which provides services or some system which runs a server operating system.

Therefore a private proxy server could also be referred as to firewall mechanism which is present as a substitute of IP Address, for a protected host network, which has a temporary addresses for all kind of the information that is passing through. Decision are made by it whether to authenticate a certain client or user IP Address, to permit the network access and to establish connections on behalf of users, with some remote computer.

It is basically a computer which acts as an intermediary or interface in order to make connections between 2 or more computers, having varying protocols & that are present at different remote location over web.

When a user (computer) attempts to connect to another user to look for any resources such as files, web pages, connections, etc available on their database, it is the proxy server that evaluates if such connection is permitted according to the existing settings on the remote computer. When the private proxy server authenticates that these conditions are met, it then makes the request on behalf of the user and establishes the connection.

Proxy servers can respond to client or user, can also make modification of their requests, or respond to client’s request without making any contact with server. This is done by usage of the cached similar responses that are present at the remote server which are being requested from resources.
The other functions include:

1. Time is reduced to access certain resources.
2. For evaluation or auditing process, a log is served in order to give data on web.
3. Parental control or security gets over ride by it.
4. Regionally restricted resources are also accessible.
5. Due to security or anonymous browsing, clients are retained under cover.
6. Unauthorized site or unwanted stuff is blocked.
7. It also scans and filters the malware before making the delivery of requested resources.
8. It blocks some outgoing data, by serving as a scan. It is done for protected files.

Though, it acts as an intermediary, who basically do acts on behalf of more than 2 clients or users, proxy server may also be placed between clients, or at the destination servers that are present on web, in order to serve its functions.

Why should one buy a private proxy?

When one browses over the internet, they usually come across a great number of internet issues, some of these internet issues includes the installation of malicious software, which are commonly known as malwares. The question often arises what is malware? Malware can usually be said to be a computer virus. Malware includes every kind of virus in which includes Trojans, spywares, worms, root kits etc.

When one browses over the internet they may come across all such different types of malicious software, and normally a computer’s firewall is not able to stop all such malware. However if you want to protect yourself from such virus or other kind of intruding software that might risk your personal security, than one should go with buying a private proxy. A private proxy allows you to browse safely over the internet; as such proxy hides your IP address from different websites and servers that you visit which allows you to be absolutely safe from such viruses and intruding software.

When you plan to buy a private proxy for yourself or for your home then you would definitely have a great number of options to choose from, as most of the proxy selling websites allow you to select different kinds of package plan for your proxy. So you can select the one that’s fits you best and fulfills all your needs and requirements.

Most of the people try to go with free proxy sites, as they find it much more convenient for themselves to use such proxy rather than buying their own personal private proxy. However going with the website that allows you to use free proxy is really not a good idea, as such sites monitors all your moves and have a close on you. If these websites are operated by hackers than they will surely add some kind of spyware or adware into your PC which may trouble you in terms of future perspectives and is definitely not good when it comes to your personal security.

The other thing that these site might do that they might start sending you a bulk of spam mails, as they would save your user id, which they usually sell to product advertisement companies. Mark my words there is no such thing as “Free”, if someone is providing you with such “free” service than they will surely make money from you in some way or the other way. So it’s a good idea to buy a private proxy rather going with such free services.