Security is not a product, but a process.

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1answer
123 views

Whitelisting valid URL patterns on a NGINX webserver

I want to whitelist only valid URL-patterns on our RESTful webserver / API, using regexs or something. But when googling for some examples I get a little bit suspicious since there is not much ...
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1answer
252 views

Why is OpenVZ less secure than KVM and XEN [closed]

I've read many forums and blogs and articles comparing OpenVZ, KVM and XEN. And I have seen many times that one of the negatives of OpenVZ is that its less secure. However, I have yet to see an ...
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1answer
53 views

Mount a Symlink Directory to Document Root for Deployment

Trying to establish a secure multiuser environment with limited user permissions and automated deployment. The example has been made simple to express the idea. Docroot: ...
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2answers
100 views

Encrypt Windows Backup

Is there a way to encrypt my backups using Windows Backup in Server 2008 R2 without using a paid for 3rd party application? I've searched high and low but have been unable to find anything. Thanks ...
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1answer
842 views

mod_security configuration issue: Error parsing actions: Unknown action: ver

I am trying to install / configure mod-sec using this tutorial, which uses the OWASP ModSecurity Core Rule Set. However when I go to restart apache, I get the following error: Syntax error on line 53 ...
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1answer
126 views

iptables DROP all access except my dynamic IP, is it possible and how/workaround?

If not possible, is there any workaround without affecting CPU performance? iptables -A INPUT -p tcp --dport 80 -j DROP
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1answer
82 views

Verify PHP 5.3.27 has been patched for CVE-2013-4248

Server setup: CentOS release 5.10 (Final) WHM 11.40.0 (26) EasyApache 3.22.24 rev9999 compiled apache 2.2.26 and PHP 5.3.27 w/ SuHosin 0.9.33 I already had PHP 5.3.27 installed (since before most ...
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2answers
500 views

Granting access to Java Logger with java.policy file not working in Domino 9.0.1

After I upgraded our 32bit dedicated Windows 2003 server from 9.0 to 9.0.1 this part in java.policy file stopped working: permission java.util.logging.LoggingPermission "control"; which means I'm ...
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1answer
28 views

IIS6 Server compromised, pages being served which don't exist as asp files?

Started a new job recently which involves some work with an IIS server. We recently found that the server had been compromised as a few websites had pages appearing on Google Webmaster tools which ...
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2answers
142 views

Solaris non-global zone knowing its global zone

It's my understanding that it is not possible for a non-global zone to determine its global zone, however running this on the global zone creates a file called /etc/global-zone-name in all running ...
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1answer
153 views

How do I enable WebDAV write access in WebSphere Portal 8.0?

As an administrator in WebSphere Portal 8.0, I can access and modify theme-related files with a WebDAV client connected to http://servername:10040/wps/mycontenthandler/dav/fs-type1. I now want to ...
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3answers
121 views

What compatibility trade-offs do we need to make in order to use a hardened SSL config for Nginx?

I found some hardened SSL settings in github.com/ioerror/duraconf. Here is the header from the config: This is an example of a high security, somewhat compatible SSLv3 and TLSv1 enabled HTTPS ...
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1answer
70 views

RDP over VPN only

I know this question has been asked many a times here. But i want to gain certain perspective here. I have enabled VPN on certain systems and then can access remote system using rdp. However they can ...
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1answer
84 views

How to expose securely a Node.js/Express server into the real world?

Essentially I would like to know what the title suggests. Node.js/Express is nice. However, node is a fairly recent thing and hence there may be security risks by exposing the server to the real ...
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1answer
39 views

Conditional authentication in IIS?

Is it possible to specify conditional authentication methods in IIS (6 or 7) based on http headers? So for example mobile browsers would use a guest account while desktop browsers would need ...
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2answers
68 views

Amazon EC2 security groups

I'm setting up my first instance on EC2, and trying to find clear information on the security group settings is a bit difficult for a newbie like me. Are there some suggested settings that give a ...
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2answers
52 views

Mac Encryption and Reporting

We have a requirement at my company to support Macs. The machines need to be encrypted and have some sort of way to check in with a management system to verify the encryption status. This can be ...
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1answer
33 views

Amazon RDS - Create a Security Group NOT in Virginia? [closed]

It seems as though the management console only allows security groups to be created while in the "Virginia" selection. Is there a way to create a security group for an Oregon (or other)-based ...
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1answer
63 views

OpenVPN and Performance [closed]

From my understanding RDP is encrypted and so is the OpenVPN connection so that is an encryption in an encryption. My Setup: LAPTOP <---> REMOTE SERVER <---> OFFICE SYSTEM Due to ...
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1answer
37 views

Is it secure to allow users to create “support tickets” via E-Mail?

We are using WHMCS as our support portal which supports the piping of E-Mails into tickets, however, I am wondering if this could become insecure in the event that a forged E-Mail was sent. This is ...
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1answer
93 views

Securing database server with IPTables

I have my app (WordPress) and database (MySQL) on separate servers; they are connected on a private network provided by the hosting service provider, and I've taken all the preliminary steps (that I ...
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2answers
579 views

how to enable TLSv1.1 and TLSv1.2 on nginx Debian squeeze?

For security I have to setup a nginx server with TLSv1.1 or TLS v1.2. By default, nginx configuresTLSv1. Reading the documentation I see that nginx has to set the following directive: ssl_protocols ...
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1answer
73 views

xinetd service: OK to change user? (cvs pserver)

Legacy Source Control: CVS under xinetd We have a team that uses legacy source control: cvs. We run cvs pserver under xinetd (config file below). Audit Flag A security audit raised a flag: "make ...
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1answer
82 views

dmcrypt container on nfs

I'm setting up an encrypted file storage on a remote server and I want to be able to use it transparently on my system. I want to be able to de-/encrypt them locally so that the server hosting the ...
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2answers
121 views

How can we restrict access to a web service to specific client computers?

We have a web application (Apache/PHP) that currently uses username/password authentication and is currently accessible from anywhere. It has server-side SSL enabled. Our client program is a version ...
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1answer
142 views

Windows Server 2003 R2 - Who has shutdown this server?

I'm hoping somebody can help me out here. I have a server that has been shutdown on 3 separate occassions but I cannot definitively determine who. I'm hoping somebody can help me figure out the ...
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1answer
149 views

Sending two Content-Security-Policy headers

I current have an nginx server that is sending the Content-Security-Policy header, however I've read that apparently IE only supports "X-Content-Security-Policy". Would it be a good idea to send both ...
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1answer
348 views

How can I setup an IP whitelist for a subdirectory?

A client of mine complained of an attack. I checked the access log and found a massive number of requests for the admin login page from seemingly random IP addresses. I created an .htacces file in the ...
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1answer
57 views

fail2ban doesnt permanently block

Fail2ban doesn't seem to block permanently. I have bantime =-1 but if i look a bit later on my iptables its just not there anymore all ill see is Chain fail2ban-ssh (1 references) target prot ...
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1answer
69 views

Providing root ssh access to virtual servers behind NAT? [duplicate]

We are a web hosting company. We have 4 Servers which are running OpenVZ on top of CentOS. Each of the server has around 50 containers running on top of it. We are planning to provide ssh root ...
0
votes
1answer
69 views

Amazon EC2 - Help setting up security based on how my software works [closed]

I'm currently developing on a project of mine where I need some guidance on securing my server. My server is Ubuntu Server 64bit hosted at Amazon AWS EC2. I have my own software running on it. My ...
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1answer
115 views

Remove “Act as part of the operating system” policy

On one of our servers we have enabled the "Act as part of the operating system" policy in the Local Security Policy. (Security Settings > Local Policies > User Rights Assignment). Now we would like ...
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1answer
41 views

How to secure mount NFS folder for read & write access?

I have 4 load balanced apache servers, and all of them can add files to /project/media/ direcotry (different pictures). I want to store all media files in separate server and mount them on apache ...
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1answer
82 views

Allied Telesis AlliedWare gui http server accepted cipher suites

When configuring a AT-9924T switch running AlliedWare 2.9.2 to serve ssl encryption on the http server as described in the manual like this: create enco key=0 type=rsa length=2048 set system ...
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1answer
105 views

Is it worth to use chroot when running web applications?

My setup: In production I'm using one virtual server per one web application shard. Shards are behind load balancer. In backstage we run web application + DB on a single virtual server. The ...
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1answer
37 views

Referrer in access.log is a directory

It seems that the referrer on the following log is a folder. 112.200.208.5 - - [29/Jul/2013:20:43:14 +0800] "GET /sites/default/files/download/argie/pos-code.zip HTTP/1.1" 206 294677 ...
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1answer
137 views

hacking attempt or something else in IMAP - logwatch logs

In my Logwatch logs I found 3 lines that look weird to me, I speculate that they are hacking attempts. IMAP connect from @ [::ffff:121.183.126.37]DEBUG: Connection, ip=[::ffff:5.102.221.2]: 6 ...
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votes
1answer
60 views

Securing nginx (user/file permissions)?

I'm just setting up nginx on my web server, and I created a user account for it to use (nginx). However, it runs its worker processes by default as www-data. Is there any disadvantage to using ...
0
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1answer
31 views

Setting up SSL at the server level on a VM [duplicate]

Forgive me if this is a trivial question, but I literally have zero experience in hardware administration. I build websites/web apps, but usually use a third party like GoDaddy or Arvixe to ...
0
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1answer
44 views

disallow file types (shell script wordpress security)

We recently got our servers into SVN which has been great, but this causes a lot of problems when using things like WP Filebase for CMS file management. It's also hard to keep the uploads folder ...
0
votes
1answer
196 views

Which user should i give permission to in IIS?

I'm running a windows 2012 server with IIS 8 installed, I have a php script which complains about not having write permission on a specific folder. If I grant permissions to this IUSR user, It works ...
0
votes
1answer
410 views

Ramnode was hacked SolusVM zero day exploit (what should I customer do?) [duplicate]

So, ramnode was compromised, some kid used zero day exploit to gain access and rm -rf. I'm really happy how ramnode team handled situation, finally my VPS was restored and it is back online. I've a ...
0
votes
1answer
140 views

How can I allow traffic only from my load balancer, if the private IP of the load balancer changes all the time?

I'd like to limit (via iptables or otherwise) inbound traffic on 80/443 to traffic coming from my load balancer. I have the public IP (which doesn't change, of course), but the only private IP info I ...
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votes
1answer
60 views

How to ensure all public mirrors contain same content?

Basically I plan to have some files mirrored on multiple servers on different providers. A unique cname will auto-balance the traffic across all available mirrors and will serve from the closest to ...
0
votes
2answers
134 views

Should I use openVPN or something Else?

I'm in charge of setting up a "walled network" set of servers for a group of employees, but I have no clue where to start. Posted below are the initial requirements, my line of thoughts, and my ...
0
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1answer
23 views

How do you deny a user access to a certain collection in mongo?

I have several collections that I would not like certain users to see. How would I go about "hiding" them or blocking a user from viewing?
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1answer
94 views

Allow either password or private key SSH authentication

I set the lines PasswordAuthentication yes and PubkeyAuthentication yes in /etc/ssh/sshd_config. I also disabled root login for security purposes. I can now SSH with a user's password without ...
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votes
1answer
203 views

How can I configure a Ubuntu LAMP web server with permissions like CPanel?

I know how to set up a LAMP stack on Ubuntu pretty well for a single website / single user, but I'd like to allow multiple users to host multiple sites on a single server. This is for different ...
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2answers
130 views

apache: restricting access by network

Im working on a (linux based) device that has 4 network interfaces: two wired, one wireless and a VPN. The device has a web 'control panel' of sorts that I want to restrict access to. Ideally it ...
0
votes
1answer
2k views

How to disable SSL/TLS compression in Apache 2.2.16?

I have one sever running on Apache 2.2.16. I run the VA scanner on the server. According to the VA report it is recommended that SSL/TLS compression should be off. I tried to search google, but didnt ...