Security is not a product, but a process.

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2answers
54 views

Opening outgoing ports on dedicated machine

I have a website where I have been working with another person on a game server listing site. It queries the game servers and shows information etc. Anyway upon talking to the creator of the script he ...
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602 views

Linux client for pki certificate auto enrollment from Windows CA

I just set up a Windows Server Certificate Authority. I would like to auto-enroll Ubuntu Linux computers for certificates. Can anyone share the available client options? I found this (old) technet ...
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1answer
416 views

Access to “Windows Security” logs for “eventlog” group

Security logs are not available for users in eventlog group. I've checked this down to security event log file. eventlog group has all permissions. Unfortunately I cannot add my user to ...
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2answers
50 views

Setting up a network for a Host Server and it's Guest OS

Is there a standard as to how one sets up networking on a Server Host that will have virtual servers within? In the past I've used virtualmin and set up the nic to have multiple alias such as eth0:1 ...
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1answer
61 views

Strange file structure on surveillance DVR

I have a 2TB HDD (WD Purple) from a client's surveillance DVR (Night Owl) with a puzzling file structure. The drive has 7,451 256MB files all dated 1/10/2098 23:02. The files are named 0001-7451 with ...
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136 views

What is the best way to configure an iDRAC/dell server in a public data center such that the idrac doesn't have to be exposed public facing

I have a server right now in a data center behind an OpenVPN using the client on the box to connect to the vpn server. I'm going to install the iDRAC and want to know how to best configure the ...
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1answer
53 views

Single row user security in MS SQL 2008 R2

I have a SQL Server 2008R2 question regarding making a single row in an odd way. situation: I have a student records database in which ~ 100 students might in-process in a given day. They enter a ...
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0answers
69 views

How to copy locked swap files in ESXi?

Based on this question : How to disable swap files in ESXi?. The main answer states that it is possible to extract data from the swap files (for exemple using strings) so I tried to make a simple ...
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1answer
51 views

How to implement table security without SUPER privilege?

A MAJOR provider of cloud-based MySQL does not grant the SUPER privilege to the master user. The provider is Amazon RDS, but my question isn't about Amazon RDS specifically, it's for the general case ...
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396 views

Restrict hostapd wireless client from talking to eachother

How can I keep a wireless client of hostapd from talking to a wired client on the same network or another wireless client on the same network? Here's my network topology: [wired client] --> [...
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1answer
93 views

Is using su to drop root in shell scripts a security risk?

When searching for how to drop root permissions in shell scripts, I often see answers using su. However, when you're done using su you can just type logout and be back at the shell of the original ...
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0answers
115 views

Tracking user activity in openvz container?

I have been trying to figure out a way to track user activity in an openvz container for a long time now (auditd like in KVM's). This is a PCI-DSS requirement. I can't seem to find any good ...
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1answer
2k views

snort complains on local.rules

I just installed snort-2.9.7.0 on Fedora 20, and am getting error when running: % snort -c /etc/snort/snort.conf --dump-dynamic-rules=/tmp Running in Rule Dump mode --== Initializing Snort ==...
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0answers
61 views

WebRTC Public Kiosk Security Model

I am diving into WebRTC to make a basic one-to-one video/audio connection between two endpoints. I am now struggling to determine what would be an advisable security model in the following situation: ...
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1answer
30 views

Does it make sense to remove NFS from a simple web server?

Does it make sense security- and performance-wise to remove NFS on a simple server which has ~10 Wordpress websites? Or is simply stopping the services enough?
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1answer
269 views

Validating SSL/TLS renegotiation flaw

Our vulnerability scanner (Saint-based) is claiming that a large number of devices and servers are susceptible to the SSL/TLS renegotiation flaw (CVE-2009-3555). Most of these servers and devices are ...
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1answer
494 views

Lockdown Mozilla Thunderbird on Windows Remote Desktop Services

I've installed Mozilla Thunderbird 31.3.0 on a Windows Server 2012 R2 which has the Remote Desktop Services role. I want to configure the Thunderbird program and set each user's email account etc and ...
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2answers
454 views

How to limit dynamic DNS updates

First off, I'm sorry if this is vague, but I'm not very familiar with DNS or DNS terminology. What I'm trying to do: I want to limit what hostnames are allowed to dynamically update DNS. I don't ...
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77 views

Owncloud - Proxy changes certificate

I'm running an owncloud server 7.0.2 with apache(Ubuntu host) and configured it to use a self-signed ssl certificate. Everything works fine on my home-PC On an other machine I would like to use the ...
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2answers
243 views

Safety of sshpass and SFTP to dynamic host

I have a server with dedicated IP address A and a server with dynamic IP address B (routing via no-ip.org). A uploads a backup to B via sshpass: export SSHPASS=*** sshpass -e sftp **@** << ! ...
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215 views

Should a NAT host be separate from a Bastion host

Have a private network with servers that required SSH access. Since the instances are in a private subnet, they cannot be accessed directly via SSH and require a public Bastion host to access. ...
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0answers
58 views

Most secure way to encrypt critical data to be shared, edited and seen (must ALWAYS be secure)

This question does not rely on time... so it's not about keeping data on tape or anything similar. I have 3 distinct PCs with critical information. PCs are running Windows OS. They all hold critical ...
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1answer
36 views

Auditing connections using certificates

We would like to have clients connect to our MariaDB server, using client certificates from a trusted (internal) issuer and then log which user connected. Unfortunately, the following limitations are ...
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327 views

Prevent user interactive logon to domain computers

I currently have a user DOMAINJOINER (located in the WIN7Support OU) which I use to deploy Windows 7 machines. This user can Create and Delete Computer Objects in the WIN7Computers OU, that's about it ...
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0answers
263 views

CIS benchmark: How to define the BUILTIN\Administrator account within GPOs?

I am responsible for configuring GPOs according to the latest CIS benchmark policy. However the test for "Impersonate a client after authentication" always fails, although everything seems to be ...
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697 views

Nginx error: “File not found”…coming from someone else's domain

I set up nginx to serve from an Ubuntu EC2 instance a few days ago, and today I checked the error logs when I encountered 504 after 504 in the browser. I found the following in my error.log: ... open(...
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365 views

How to resolve security warning concerning WebAdministrationProvider?

I have a new Windows Server 2012 install, and have just installed IIS. I see the following warning in the Application Log: A provider, WebAdministrationProvider, has been registered in the ...
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1answer
58 views

How do I find what PHP script is changing the file

I have apache installed with mod_php PHP5. I've been able to find out that apache process is changing my .htaccess and index.php files in /var/www directory. All files in this directory are owned by ...
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1answer
120 views

SecAst: Configuring Email Alerts for Google Apps Account

Requesting assistance with configuring SecAst email alerts to work with Google Apps hosted account (posting here as per request by Generation D)... We have SecAst installed on a system with a new ...
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0answers
424 views

Non-admin users can't run mmc on Domain Controller on Windows Server 2008 (ok for Enterprise not for Standard edition)

I have created some delegation for IT administrators. One of the groups of people have some Active Directory permissions but is not server administrators or domain administrators. They also are ...
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1answer
25 views

Disabling network access for a group of users but allowing smtp only

We have an environment where our users ssh into the system and their shell is set to simply launch Mutt on their $HOME/Maildir. We want to restrict our users to only be able to send/receive mail. We ...
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0answers
471 views

permissions for VBScript/ADSI remote local account password change

I am using the IISADMPWD pages on IIS8/Windows 2012 and have found that administrative rights on a remote server for password changes is not required. I am hoping somebody can shed some light as to ...
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1answer
237 views

Correct Permissions VPS /var/www

This is a repost of an "off-topic" question on stackoverflow. My scenario is: I created a user and added that user to sudoers: visudo user ALL=(ALL) ALL Then sudo adduser user www-data and ...
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1answer
9k views

Error 4673 audit failure filling security logs

I have an isolated desktop computer in my office that I run weekly security audits on. I check the logs for odd behavior then export and clear them out. The logs are filled with "Audit failure ...
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672 views

Curl Sourced DDoS: How to detect it & how to stop?

Okay, an Ubuntu server I manage fell victim to a DDoS attack today. Usually this is unpleasant but not that big a deal. A few high server load moments & then it passes. Today was clearly different....
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358 views

Routing LDAP traffic from Application server to Proxy to internet

I've included a drawing so you get an idea how it would work. (Red = LDAP connections , Blue = HTTP / AJP in the backend) Problem: We want to connect our customer application server to an LDAP of the ...
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0answers
239 views

Restrict windows server 2008 R2 remote mmc

I am looking for a way how to disable remote access to management console of single Windows Server 2008 R2 with least administrative effort. Server is in domain and there is big amount of other ...
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0answers
166 views

How to secure tmp directory from hard link attacks when host doesn't allow partitioning

I'm a new sysadmin in the making, have learned that I need to have /tmp and /home directories on separate partitions in order to prevent possibilities of privilege escalation through hard links based ...
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1answer
557 views

windows security log - failure reason startswith %%

Please help - do You have the list with descriptions of failure reasons eg. %%2313, %%2307... I've researched Net and nothing.. :( Mainly I see it in ID 4625 in Windows security logs. On http://www....
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1answer
147 views

Secure installation of KVM VPS?

I'm going to install Debian Wheezy on a KVM VPS. VNC access to console is enabled, and by sniffing network traffic when connecting, I see VNC password is encrypted but everything else is sent in plain ...
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3answers
3k views

Block a Non-ActiveSync Device from accessing Exchange 2010

We're trying to tighten security, and block users from accessing our mail server without having the proper MDM on their phones. With programs like Aqua Mail and CloudMagic, it seems like they go ...
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0answers
205 views

IIS application pool identity doesn't respect Windows security

I am using Windows 2012 and have configured my IIS application pool to use my own 'XXXWeb' account. My website is using the correct application pool (the W3WP process is also running as 'XXXWeb'). I ...
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0answers
55 views

Won't keychain --clear in .bash_profile interfere with cron jobs?

Keychain tutorials recommend adding /usr/bin/keychain --clear to ~/.bash_profile to only allow cron jobs to use passwordless login. I'm not sure I understand how this works. If I take it right, the ...
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1answer
486 views

When is a user considered “Everyone” in the “Access this computer from the network” policy

I am a bit puzzled by the existance of the "Everyone" group in this policy. Per http://technet.microsoft.com/en-us/magazine/dd637754.aspx: The Everyone identity All interactive, network, dial-up, ...
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0answers
2k views

Firewall/iptables rules for GlusterFS

A great pleasure would be to know which exact iptables rules to use for securing GlusterFS 3.4.2 (with Debian Wheezy) in shared environment. I'm running some dedicated servers at ISP. There are two ...
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2answers
354 views

Suspicious Login Success in Event Viewer

Hope you can help. We have been noticing another user's local machine creating logon entries in the event viewer of our machine. The message received is "An account was successfully logged on". The ...
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1answer
740 views

Can a windows service running with network service or local system account, updated active directory container?

I have two windows services (one running as network service and the other as local system) - because of some architecture reasons these cannot run under domain user account. And there will be a store ...
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0answers
229 views

What are recommended permissions for files in /var/log? [closed]

I am working on tightening the security for various servers (mainly Debian Linux), and one of the tasks is to tighten permissions on files in /var/log so that files are not world readable. But there ...
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0answers
1k views

How can I run a scheduled task on a Windows 2008 R2 Domain Controller as a non-admin user?

I'm trying to run an exe as a scheduled task on a Windows 2008 R2 Domain Controller. The exe runs fine when I try and run it manually using an account which is a Domain Administrator, but I don't ...
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0answers
211 views

Windows Server 2012 - SSL Cypher Suite Order Not Long Enough

I want to re-order the cypher suites on our new Windows Server 2012 box to help mitigate the BEAST vulnerability for our clients. I went to Local Group Policy => Computer Configuration => ...