Tightening security on a system.

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2
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1answer
526 views

Hardening a perimeter router

What are some of the steps that could be taken to harden a perimeter (internet facing) router from attacks by potentially malicious users?
6
votes
1answer
338 views

What are some good ways to secure personal computers

I see that many topics here are related to securing data, equipment at an enterprise level. Good advice includes stuff like blocking all unused ports, allowing only whitelisted traffic and installing ...
2
votes
1answer
700 views

EMV Security? How is it possible that it's secure?

I recently read some articles on EMV and the various ways in which it has been improved over the years. I then read this which shows that it has been possible for some time to exploit EMV via a man ...
1
vote
1answer
1k views

How do these Windows services affect the security of Windows Firewall?

Its common to disable unneeded services in Windows 2008 R2, but sometimes I come across installations that use Windows Firewall and related services. More info: see service dependencies for Windows ...
1
vote
2answers
397 views

What are best practices for implementing Remote Desktop within a corporation?

After the recent critical vulnerability: 'MS12-020: Vulnerabilities in Remote Desktop could allow remote code execution' I have been looking for a hardening checklist or in the scenario that I am an ...
7
votes
3answers
869 views

Is it a secure way to declare DB parameters in htaccess rather than in a PHP file?

It has been suggested in securing PHP article that using directive as below in htaccess is more secure than hardcoding it into your app: <VirtualHost ilia.ws> Include /home/ilia/sql.cnf ...
2
votes
2answers
1k views

NSA RHEL5 Checklist

The NSA has came up with the "Guide to the Secure Conguration of Red Hat Enterprise Linux 5" (http://www.nsa.gov/ia/_files/os/redhat/NSA_RHEL_5_GUIDE_v4.2.pdf) I have read through this guide and it is ...
1
vote
2answers
507 views

Hardening network infrastrucure? [closed]

I would like to know, what are the best hardening methodologies, procedures, and books to use when hardening your network? Especially for the following: Windows /Linux Server SQL server Microsoft ...
12
votes
2answers
4k views

Available Resources for Securing RHEL 6

Some in our infrastructure group want to upgrade to start taking advantage of the new features in RHEL 6. In the past, I have relied on the NSA Guide to secure RHEL 5 and CentOS 5 installations. I ...
7
votes
1answer
810 views

Hadoop security, isolation, and hardening

This is a multiple part question, which all really come back to the main question: How best to protect data in a Hadoop (wikipedia) cluster. (Current version, vanilla main-branch distro - ...
13
votes
3answers
1k views

VPS security best practice

I've just signed up for a linux VPS to host a website I've been creating and I need some advice on the best approach to secure it. I've previously been hosting it off a VM in the house, but I want to ...
4
votes
1answer
789 views

Blacklist IP addresses based on number of 404s in Apache

I'm getting a lot of hackers spamming my domain with requests for files that just don't exist. This is eating up a lot of my allotted bandwidth and I'd like to blacklist these IP addresses. Is there ...
5
votes
2answers
4k views

How to secure a dedicated linux server running a LAMP stack for commercial E-commerce use

To be more specific, I would like to get some help, either through a tutorial or through a book, on how to configure an apache server to run securely and minimize the risks for commercial use. ...
7
votes
2answers
277 views

Do I have to harden IE if I'm only using Firefox?

Assume a Windows 7 system (probably whatever home version comes with the machine), with the latest OS patches, latest IE and latest Firefox. Also assume that the user uses only Firefox for browsing, ...
13
votes
2answers
2k views

Security implications of having files owned by the apache user?

Currently running a LAMP instance that developers are using for a variety of webapps. I have the following scenario: Multiple developers need access to create and modify files under ...
28
votes
19answers
3k views

How can I prevent my kids from bypassing my computer restrictions?

My son has a downloaded copy of Ubuntu that he uses to "break" into my computer, bypassing Vista. I have two questions: Can this damage my computer or corrupt my files? (I have lots of pictures) Is ...
6
votes
4answers
1k views

Fastest way to “lockdown” CentOS and have network intrusion detection, firewall, etc up and running?

Are there any proven concepts or "installers" to get up and running based on the best practices securing and locking down a CentOS installation? I'm hoping for an automated tool that would scan the ...
7
votes
1answer
3k views

How to secure a ActiveMQ?

Does anybody have experience with securing/hardening ActiveMQ? Check lists or guides would be welcome.
25
votes
6answers
4k views

Keeping secrets from root on Linux

I am looking for ways to harden a linux system so that even when gaining full root access (through legit or non-legit means), some secrets remain inaccessible. But first a little background. Many of ...
8
votes
2answers
5k views

Implications of Trace/Track Methods on Apache

When performing vulnerability scans using Nessus, against a host running Apache, one expected result is always "HTTP TRACE / TRACK Methods Allowed". While this result only has a base CVSS of 4.3, I ...
24
votes
3answers
8k views

How to secure a MongoDB instance? [closed]

Does anybody have experience with securing/hardening MongoDB server? Check lists or guides would be welcome.
3
votes
2answers
642 views

ICMP redirects and source routing in the wild?

Theoretically, ICMP redirect messages (IPv4 and IPv6) and source routing (IPv4) / routing headers (IPv6) are very dangerous. However, I'm curious as to if attacks using these features really work in ...
3
votes
3answers
375 views

Servers: Why a separate device for a firewall, aside from reduction in IP spoofing or increase in performance

Why should the firewall be outside the server, excepting these two items Take the performance impact of noise off of the server. Add a physical layer between devices so they can be on separate ...
6
votes
2answers
3k views

php.ini security setting after attack

My website have been attacked and I need a best practice for a php.ini I have done some reading but I am still not sure if I covered most of the options. here is my settings: file_uploads = Off ...
5
votes
5answers
583 views

What are the likely threats to a public-facing DB instance?

Quick intro: Small company, VERY limited resources. I pretty much do everything including take out the trash. We've been running an instance of MySQL internally for years and it's worked OK, but I ...
5
votes
2answers
299 views

Advice for writing my first application security review

I wish to write a security review for a specific windows server/client application that runs on a closed LAN or WAN (between 1 and 200+ users across multiple sites); it's not a web-application. The ...
2
votes
5answers
499 views

What should one do when he/she wants to protect him/her home--computer--?

As you know, deleting a file by pressing shift-delete or by using the Trash doesn't mean that the file is unrecoverable. It's data persists on your computer. In day to day life, adversaries use ...
14
votes
3answers
2k views

Bruteforce attack on my FTP server

I recently setup VSFTPD on my personal server for sharing files over FTP. In the vsftpd.log file, i see hundreds of failed attempts to login with usernames like "adminitrator" , "adminitrator1", ...
13
votes
4answers
1k views

Recommendations for Changing the Default Shell For Service Accounts

It seems as if most Linux systems use either /sbin/nologin or /bin/false as the default shell for service accounts. Many hardening guides, such as CIS benchmarks, recommend changing the default shell ...
5
votes
2answers
307 views

Oracle Internet Directory (OID) hardening

What are best practices, recommendations, required reading for securing/hardening an Oracle internet directory? note: OID is compatible with LDAP version 3.
11
votes
5answers
1k views

Best practices for securing an iPhone

As this question on voicemail protection got answers veering more to protecting the mobile phone, I thought I should add a specific question on this topic. There is already a question on protecting ...
0
votes
2answers
1k views

How do we protect our server from anonymous hacker? [duplicate]

Possible Duplicates: Hardening Linux Server How to best defend against Targeted Attacks? I read this news: Anonymous hacker group hits Apple, publishes data My question: How do we ...
24
votes
6answers
2k views

Best practices for securing an android device

Does anyone have any suggestions on securing an Android device? I'm not particularly interested in enterprise level software - I'm looking to secure my own ZTE Blade phone which has a lot of personal ...
26
votes
6answers
3k views

Secure Linux Desktop

I'm looking for hints about secure linux desktops. Securing servers is no problem. Most recent Software Updates, run only the services required etc. But what about desktops? I'm thinking about details ...
8
votes
4answers
3k views

How to disable Firewire in OpenBSD/Linux to prevent attacks through Firewire?

Since Firewire lacks security, allowing a plugged-in device to access host memory, it's a good thing to fully disable it. If we're not using the BIOS to disable the Firewire port then how could we do ...
5
votes
1answer
4k views

How to ensure that VirtualBox guests can't break out of the vm to get access to the host machine? [duplicate]

Possible Duplicate: How secure are virtual machines really? False sense of security? E.g. on Ubuntu/Fedora - if I have VirtualBox installed and I'm running guests in it, then how can I make ...
4
votes
1answer
507 views

Security Risk of Disabling forceguest in non-AD Environment

Our application group is looking to deploy a product which requires that we disable forceguest in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa. We are running on a Novell network (I know, I ...
11
votes
3answers
3k views

How can I prevent someone from accessing a Windows XP system via boot disk?

Apparently a computer system protected by a a login password, e.g. Windows XP, can be easily hacked by someone with physical access to it using methods like this one: ...
1
vote
1answer
245 views

Effectiveness of Belarc Advisor

I have seen some people recommend Belarc Advisor for Windows hardening, especially for servers. It's supposed to check for stuff such as installed hotfixes and CIS benchmarks (<-- which are great, ...
0
votes
2answers
5k views

Replacing windows shell for everybody but the system administrator

[cross posted from superuser - I believe the question is also relevant here] I'm trying to harden a windows 7 machine, including replacing the default login shell from explorer.exe to a custom ...
6
votes
3answers
842 views

IIS and SQLServer Hardening

long story short: I'm an engineer doing development, not administration. I have no direct access to the production server, so I can only tell the administration team the best configurations for ...
2
votes
1answer
139 views

Whitelisting applications in Windows7

Windows 7 and Server 2008 R2 come with a security tool called Applocker. This allows admins to restrict applications to a specific white list which can be as granular as the individual application ...
5
votes
1answer
2k views

How do I apply a security baseline to Windows 2008 R2?

I've setup a Windows 2008 R2 server with an Active Directory Domain Services role. I would like to apply the Specialized Security – Limited Functionality (SSLF) security baseline to it, but am unsure ...
17
votes
4answers
3k views

Windows hardening

Can anyone point me at some good resources on Windows hardening? From 2003 upwards.
21
votes
2answers
3k views

MySQL Server Hardening

Following the hardening theme.... What are some best practices, recommendations, required reading for securing MySQL.
61
votes
9answers
9k views

Hardening Linux Server

We have already had questions on here about Hardening Apache, Hardening PHP and Securing SSH. To continue this trend I am interested in what steps people take to harden Linux servers. As in what ...
19
votes
3answers
5k views

What are the best practices for hardening a php.ini file?

In order to secure a PHP installation, what are the best settings for a php.ini file? What is absolutely vital in terms of security? What is recommended for most use cases?
12
votes
4answers
530 views

What does defense in depth entail for a web app?

I'm assuming it means different layers of security from app-level security to server hardening to personnel training, but what are each of those layers and what are some good resources for each level ...
20
votes
7answers
773 views

How can I protect a WordPress installation?

How do you go about protecting a default WordPress installation? What checklist do you use, best practices, tips and tricks, etc? Any recommendations on plugins, third-party tools are welcome.
75
votes
14answers
14k views

Apache Server Hardening

What are some best practices, recommendations, required reading for securing an Apache Server?