10-25-2011
Why did you decide that the connections were made by the Apache daemon? Can you look trough your Apache logs and post relevant parts here? From posted ip addresses I cannot say this traffic is suspicions because I don`t know your network. What I can tell you is that :
128.63.2.53 - a dns server at University of Maryland
202.12.27.33 - a root dns server at The University of Tokyo
204.141.87.16 - website hosted at "NTT Communications is the international and long distance service arm of NTT (Nippon Telegraph and Telephone Corporation), one of the largest telecommunications companies in the world (ranked 31st in the Global Fortune 500 list of 2011)."
Those are not suspicions addresses to me. Please review your logs and post the spamming message. Also make sure that some of your users was not generating this.
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LEARN ABOUT DEBIAN
apache::db
DB(3pm) User Contributed Perl Documentation DB(3pm)
NAME
Apache::DB - Run the interactive Perl debugger under mod_perl
SYNOPSIS
<Location /perl>
PerlFixupHandler +Apache::DB
SetHandler perl-script
PerlHandler +Apache::Registry
Options +ExecCGI
</Location>
DESCRIPTION
Perl ships with a very useful interactive debugger, however, it does not run "out-of-the-box" in the Apache/mod_perl environment.
Apache::DB makes a few adjustments so the two will cooperate.
FUNCTIONS
init
This function initializes the Perl debugger hooks without actually starting the interactive debugger. In order to debug a certain
piece of code, this function must be called before the code you wish debug is compiled. For example, if you want to insert debugging
symbols into code that is compiled at server startup, but do not care to debug until request time, call this function from a
PerlRequire'd file:
#where db.pl is simply:
# use Apache::DB ();
# Apache::DB->init;
PerlRequire conf/db.pl
#where modules are loaded
PerlRequire conf/init.pl
If you are using mod_perl 2.0 you will need to use the following as your db.pl:
use APR::Pool ();
use Apache::DB ();
Apache::DB->init();
handler
This function will start the interactive debugger. It will invoke Apache::DB::init if needed. Example configuration:
<Location /my-handler>
PerlFixupHandler Apache::DB
SetHandler perl-script
PerlHandler My::handler
</Location>
SELinux
Security-enhanced Linux (SELinux) is a mandatory access control system many linux distrobutions are implementing. This new security scheme
can assist you with protecting a server, but it doesn't come without its own set of issues. Debugging applications running on a box with
SELinux on it takes a couple of extra steps and unfortunately the instructions that follow have only been tested on RedHat/Fedora.
1) You need to edit/create the file "local.te" and add the following:
if (httpd_tty_comm) {
allow { httpd_t } admin_tty_type:chr_file { ioctl getattr }; }
2) Reload your security policy.
3) Run the command "setsebool httpd_tty_comm true".
You should be aware as you debug applications on a system with SELinux your code may very well be correct, but the system policy is denying
your actions.
CAVEATS
-X The server must be started with the "-X" to use Apache::DB.
filename/line info
The filename of Apache::Registry scripts is not displayed.
SEE ALSO
perldebug(1)
AUTHOR
Originally written by Doug MacEachern
Currently maintained by Frank Wiles <frank@wiles.org>
LICENSE
This module is distributed under the same terms as Perl itself.
perl v5.14.2 2008-04-27 DB(3pm)