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Full Discussion: Server has been compromised
Special Forums Cybersecurity Server has been compromised Post 302756727 by Neo on Wednesday 16th of January 2013 12:13:46 PM
Old 01-16-2013
I think it is more important to determine what are your key apps on the server; then back them up if you think they are not compromised and rebuild the VPS server from scratch; and reinstall your app.

You should also make sure your file system is secure based on the apps that are running, and run a cryptographic file system management tool (tripwire or some other version of the same thing) immediately to get a baseline.

What you have failed to mention is the core production app that is running on the server. Is it a web server? A mail server? A database back end?

It is really not possible to help you if you are not specific about what is "core app" and what is "supporting files". The reason is that you need to rebuild your file system from scratch to be perfectly safe. However, there may be some files you need (database, web files) that are not compromised and you can just back them up, reinstall the system (the supporting file system) and then get the main act up and running.

But the exact strategy is based on what is the main core application running on the server.

Is is basically a web server?
 

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Catalyst::Manual::Deployment::DevelopmentServer(3pm)	User Contributed Perl Documentation   Catalyst::Manual::Deployment::DevelopmentServer(3pm)

NAME
Catalyst::Manual::DevelopmentServer - Development server deployment The development server is a mini web server written in Perl. However, if you supply the "-f" option to the development server, it will load the higher performance Starman server, which can be used as an application server with a lightweight proxy web server at the front. Setup Start up the development server script/myapp_server.pl -p 8080 -k -f --pidfile=/tmp/myapp.pid You will probably want to write an init script to handle stop/starting the app using the pid file. Configuring Apache Make sure mod_proxy is enabled and add: # Serve static content directly DocumentRoot /var/www/MyApp/root Alias /static /var/www/MyApp/root/static ProxyRequests Off <Proxy *> Order deny,allow Allow from all </Proxy> # Need to specifically stop these paths from being passed to proxy ProxyPass /static ! ProxyPass /favicon.ico ! ProxyPass / http://localhost:8080/ ProxyPassReverse / http://localhost:8080/ # This is optional if you'd like to show a custom error page # if the proxy is not available ErrorDocument 502 /static/error_pages/http502.html You can wrap the above within a VirtualHost container if you want different apps served on the same host. Other web servers The proxy configuration above can also be replicated with a different frontend server or proxy, such as varnish, nginx, or lighttpd. AUTHORS
Catalyst Contributors, see Catalyst.pm COPYRIGHT
This library is free software. You can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2012-01-20 Catalyst::Manual::Deployment::DevelopmentServer(3pm)
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