Security is not a product, but a process.

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1answer
52 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 ...
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1answer
305 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 ...
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1answer
463 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 ...
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1answer
177 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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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 ...
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2answers
202 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 ...
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1answer
24 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
138 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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1answer
248 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
227 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 ...
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3answers
3k 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 ...
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1answer
56 views

How to update/maintain a patched kernel?

If I patch my linux kernel with grsecurity, will I still be able to update my system with yum (or apt-get)? Won't the updates available via yum be incompatible with my patched "non standard" version ...
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2answers
256 views

-bash: www.mydomain.com.pem: Permission denied

I have these three files in /etc/nginx/ssl folder: www.mydomain.com.csr www.mydomain.com.key www.midomain.com.key.nopass I bought and downloaded the positive ssl certs in ...
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1answer
29 views

Limit access to an EC2 instance from different instances

I have an EC2 instance set up called Machine1. I specified the security group to be Group1. How can I allow access in Group1 to any machine that comes from an internal EC2 request? Do I have the ...
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1answer
283 views

Cisco asa 5500 series - Logging VPN connections to easily search connection history

We have a fresh requirement to log information to do with vpn connections. The ultimate goal would be facilitating IT management being able to easily review when someone had been connecting / ...
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1answer
3k views

Windows: disable remote access of local drive, even by domain admin

We have a network of Windows 7 PCs that are managed as part of a domain. What we want is for the domain admin to be unable to view the PC's local drive (C:) unless he is physically at the PC. In ...
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2answers
471 views

Securing dnsmasq - interface(s)?

Im preparing to deploy about a thousand fanless machines running Debian. Each machine has 3 interfaces (eth0, eth1 and uap0). In many cases these machines will sit between a cable modem and a home ...
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1answer
71 views

Security implications of running Apache with php5-fpm as user:user

I just set up VPS to run Apache with php5-fpm which is set to run every user pool as user:user. Reason for this is simply to allow users to actually own their own files created by various CMS ...
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3answers
179 views

Is it bad to store server SSH keys in version control?

We are writing scripts to automatically redeploy our servers. These scripts are stored in version control. Some of the servers require access to private Git repositories with access restricted by ...
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1answer
115 views

Is the connection from PHP to a different MySQL server 100% secure?

I tried to find this information but was not able to. How is working the connection from PHP to MySQL server. As the password is sored plain, is it also sent plain to MySQL if it is stored on a ...
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2answers
258 views

Windows Security: can user read local files with only 'Log on as a batch job'?

A Windows Scheduled Task runs as serviceAccount@domain.tld on a 2008R2 server. The server's local disk has some files that Joe Blow should not see. Joe Blow knows the serviceAccount password. As far ...
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1answer
129 views

Possible causes of high download activity on network [closed]

We had an issue where we noticed approximately 170GB of data downloaded as http traffic over a one week period on our network. After locking down many services and running a hub as an in between ...
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2answers
823 views

Can you lock down Cpanel/WHM access to certain IP's?

Is it possible to only allow access to Cpanel/WHM to certain IP's? I know how to do it for standard folders, but I don't believe that will work for this purpose as they are on different ports or ...
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1answer
82 views

Securing a switch

I have switch (HP ProCurve 1810-24G to be exact) and it's placed in a datacenter. To secure the switch, there's a lenghty password on it. But, there's one great downside: anyone with the IP address ...
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1answer
66 views

How to provide IIS Basic authentication access without a general user account

I want to provide access to my website through IIS Basic auth (already working) but I don't want to give out OS level logins, to my testers/previewers. Is this possible? How can I do this? I ...
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1answer
149 views

Is there a way to allow specific permissions to a non-root user?

I have a program that, at some point, create/destroys tun/tap virtual adapters. Obviously, for these specific operations this program requires root privileges. According to the program ...
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3answers
176 views

Ubuntu Server: Attack on blocked ports leads to Ping timeout [duplicate]

I was searching for a solution a long time but cant find anything useful. My webserver is secured by a firewall (iptables with ufw userinterface). Default is deny all and only some ports are open. ...
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1answer
265 views

Multiple users, one public_html directory

New to creating users with linux. Trying to add users in a secure manner, limiting damage a user can do give all members of the webadmins group access to the public_html folder as projects are often ...
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1answer
43 views

Blocking Access to Certain Sites

I have a weird setup on a server we host: the site hosts both live and test versions of its sites, set up in two different folders, D:\Live Sites, and D:\Test Sites. What would be the best way to ...
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1answer
4k views

iptables - Block incoming on Eth1 and Allow All from eth0

I am a bit stuck with iptables to do deal with two Ethernet ports. eth0 port for LAN use (192.168.1.50 Private IP). eth1 port is connected to the internet via cable modem (80.0.xxx.xxx public IP). ...
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1answer
41 views

Stop certain users accessing C:\Source by security group

We have a security group called SourceCode which allows certain users access to the SVN / GIT repository. This allows them to get the latest repo and store it in C:\Source. This works fine but the ...
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1answer
35 views

Automated mails from a documentation on a closed network through adsl to user emails

I have a closed network that has a documentation system that sends automated emails to users using smtp. The users are all on the same exchange server. We have an adsl connection. Are there security ...
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1answer
41 views

is webmail db acessable through ftp

Recently we've had several attempts to access our ftp account from an outside source, (we've since locked the account). I was wandering if we use hosted webmail, such a open xchange, horde or atmail ...
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1answer
1k views

Site2Site tunnel via SSL VPN?

i have tried convincing my opposite office of the tunnel in question to get site-2-site ipsec up and running. However they are not really into that and run everything via SSL VPN.. Is it possible to ...
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1answer
256 views

What is the reasoning behind how Active Directory group nesting works? [closed]

For a long time, I've had trouble understanding how group nesting is supposed to work in a multi-forest AD environment. It seems like there are arbitrary limitations placed on group types, with ...
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1answer
1k views

Where to put OpenVPN server - DMZ or LAN?

We have a Smoothwall firewall with both a "green" network (LAN) and an "orange" network (DMZ), and we would like to use OpenVPN access server as our VPN server. The question is: Should the VPN server ...
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2answers
270 views

Asp.net IIS Hacking early warning system

I am running an asp.net website on IIS 7.5 and windows 2008 R2 server. How do I setup (or what do I need) in order to have an alert if there is a hacking attempt against the website and server,? How ...
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4answers
115 views

How to I start with a remote IP address connected to my computer to the process that has opened the connection?

If I type "netstat", I can see a list of IP addresses that my PC is connected to. If I start with an IP address, how do I find the process that has opened the connection to said IP address?
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1answer
94 views

Ubuntu, How to prevent listing sub-directory if parent-directory is protected

I remember last time when I am on some Linux OS ( cannot remember ), when I change the mod of a directory to 711, that folder together with all of its sub-directories cannot be listed (ls -al) by any ...
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2answers
392 views

selinux permissive and type targeted

i am running centos 6.2 recently i noticed that apache was running with selinux enabled # This file controls the state of SELinux on the system. # SELINUX= can take one of these three values: # ...
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1answer
150 views

Securing GoDaddy Shared Hosting Account Hosting Multiple Sites

How secure is it having multiple sites on same godaddy shared hosting account? If I give client their own ftp access to their directory - theoretically they can upload any php script they want and ...
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1answer
53 views

Cryptography to protect remote access [closed]

In our office (and in our home too) we have some security equipment connected to the Internet, like ip cameras. However, we are not satisfied by their level of security: the only protection the DVR ...
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1answer
99 views

How can I connect these 3 environments with SSO?

In my org today, we use the following: W2K8 R2 - Active Directory Google Apps for Enterprise Salesforce Enterprise version Each of these has it's abilities for SSO connectivity. I would like to ...
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2answers
198 views

USB key to pass password in Centos 6 [closed]

I had a room mate that put a livecd in my desktop and looked around on my machine. I caught him in the act and threw him out. I haven't had a room mate for a while now and so as to avoid the livecd ...
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1answer
89 views

How should I set up a new local user for IIS to run under?

I'm interested in setting up a full-blown local user to run my ASP.NET web sites under in IIS 7.5 (Windows Server 2008 R2). (The long and boring rationale has to do with System.IO.Packaging's use of ...
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1answer
64 views

SQL Server on the internet

I've got a desktop application connecting to SQL Server directly, I see a lot of posts saying you shouldn't expose SQL Server directly to the internet but none say why. Some background: Scalability, ...
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1answer
381 views

the right way to do deployment with capistrano

I look for good practices for deploying with capistrano. I would like to start out with a short description how I used to do deployment. capistrano is installed locally on a developer's computer. I ...
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1answer
2k views

Constant Errors on SQL server, Event ID 28005 and 4625

We have been getting the following errors on our SQL 2008 R2 server several times a second. I have searched the internet to its ends and I cannot find a solution that will work in our situation. I ...
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1answer
71 views

Is it possible to create an FTP user that can only access certain directories?

Suppose I have the following directories inside my www folder: private_info_1 public_info_1 private_info_2 public_info_2 Is it possible to create an FTP user (I'm using cPanel) that could access ...
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1answer
73 views

In an iptables log, can I get rid of IN, LEN, TOS etc?

In my iptables log, I get very repetitive and hard to read data like that: MAC, IN, LEN, TOS, PREC, TTL, ID, WINDOW, RES, URGP I am using my Ubuntu machine as a web server. Which one of these can ...