How would I find the user-agent from the http requests which were made to my website?

Questions:

1. When users make requests to our website where is the information from our http request header stored?
2. Can you access the user-agent from this (for example googlebot)[Would this be done with a serverside language like ruby/php?]

Answer

The user agent is an optional header for the http request your website receives. It's not necessarily 'stored' anywhere after the web request is complete. Depending on the logging on your web server, it may be part of the access log, or it may not be included in that log. If you haven't been logging or collecting the user agent headers, you don't have any way of getting them from requests that are already complete, but you can always start logging them now.

This header, like all the http headers, would be available to any server side script that was passed the request headers (I don't know of any server side that doesn't passed the headers one way or another), so the answer to your second question is, yes.

How to Find a spam script location with Exim - VPS / Dedicated Server

I this tutorial I'll guide you how to check the Exis mail log on your VPS or Dedicated server using command. This will help you to find spammers script location in the server, or their own in order to relay spam from your server.

What happen when sending spam mails from server?

When your IP sending spam mails from server can damage the sending reputation of your mail IP address, and lead to issues such as making you end up on a blacklist.

How do I stop spam coming from my server?

Exim, or the MTA (Mail Transfer Agent) on your server handles email deliveries. All email activity is logged including mail sent from scripts. It does this by logging the current working directory from where the script was executed. Using this knowledge you can easily track down a script of your own that is being exploited to send out spam, or locate possibly malicious scripts that a spammer has placed onto your server.

Locate top scripts sending into Exim

01. Login to your server via SSH as the root user.

02. Run the following command to pull the most used mailing script's location from the Exim mail log:
grep cwd /var/log/exim_mainlog | grep -v /var/spool | awk -F"cwd=" '{print $2}' | awk '{print $1}' | sort | uniq -c | sort -n

03. You will get back something like this:
15 /home/userna5/public_html/about-us 25 /home/userna5/public_html 7866 /home/userna5/public_html/data

We can see /home/userna5/public_html/data by far has more deliveries coming in than any others.

 

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How to enable mcrypt on localhost (Appserv)

01. Go to C:\AppServ\php5\
02. Copy libmcrypt.dll to C:\AppServ\php5\ext\ and C:\Windows\System32
03. Open PHP.in file (C:\Windows\php.ini)
04. Find ;extension=php_mcrypt.dll and replace extension=php_mcrypt.dll
05. Restart your Appserv

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How to export mysql database from phpmyadmin

Go to

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How to install Appserv on local machine

Go to http://sourceforge.net/projects/appserv/files/AppServ%20Open%20Project/2.5.10/appserv-win32-2.5.10.exe/download?use_mirror=kaz&download=

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Enable .htaccess on localhost

Simply modify this line in the C:\AppServ\Apache2.2\conf\httpd.conf

#LoadModule rewrite_module modules/mod_rewrite.so

to this

LoadModule rewrite_module modules/mod_rewrite.so

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