Security is not a product, but a process.

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Separate bridge for each VM?

I have been experimenting with network settings ever since I got a new dedicated server for some root-started unprivileged LXC containers a few months back and have finally arrived at what might be a ...
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69 views

Am I being picked up by a proxy sending my IP/request URLs to China? Sketchy

I spun up a new machine on Digital Ocean today which is pre-configured with a web environment. I made an initial request to the new site and found the following (IP address redacted) in my nginx ...
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88 views

LDAP Browser(Softerra) vs LDP.exe

Here is the issue; -> There is a Deny All(FullControll) set on 2 OUs for a service account. -> When i use LDP.exe to query those OUs, it can read their names but can not display any objects ...
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78 views

Warnings in Tiger auditing reports (process is listening on socket)

I get email logs like the ones below emailed daily from my server. I don't really know what does it mean and thinking about disabling them, but I guess this is not a good idea and it's better to learn ...
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82 views

How to set relaxed security for Terminal Services on 2008 R2

I installed Remote Desktop Services on Windows 2008 Server R2. I am trying to set it up with 'Relaxed Security' similar to Windows 2003 would have. Windows 2003 Server, I would set up: Permission ...
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25 views

How do I edit a signed or encrypted SMIME message to include a footer?

Is there any way to edit a signed/encrypted SMIME message so that there is a legal disclaimer on the message? I'm thinking about the MIME multipart email directive may allow for this.
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205 views

how do I set restrict anonymous to 2

I want to change the registry setting for restrictanonymous to "2" (HKLM\SYSTEM\CurrentControlSet\Control\Lsa\restrictanonymous). I created a script to do this but noticed the setting kept on going ...
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94 views

Application-role based access with nginx?

What are some different ways to configure nginx to allow static file access based on application-defined roles that a user belongs to? (Not local system user groups or roles, just roles defined at the ...
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23 views

give serverprincipalname read write permissions to security group members

What are the settings for the group to make the following change? I need to create a group that can be used to grant: serviceprincipalname SELF Read serviceprincipalname SELF Write to its members. ...
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48 views

smb.conf - where do I set key and certificate for 'smb encrypt' transport encryption?

Reading smb.conf man page I can enforce encrypted smb transport; smb encrypt = mandatory. Where do I set the keys to use for the encrypted transport? I was expecting something like apache2: ...
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36 views

Is it possible to break out of a “trap 1 2 3” secured terminal session by using SIGSEGV?

The title says it mostly. I'm auditing the security of a terminal-based application on AIX, and the way you use it is to connect to it remotely through telnet, where the ".profile" of the telnet user ...
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15 views

Securing web application used for core business process

I am writing an application which will be used for our core business workflows (client registration and management etc). I have partners and employees who are spread across the globe, so I want to ...
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158 views

Snort even though working properly does not report majority of rules

I have installed Snort 2.9.7.0 and it does not detect majority of attacks, such as nmap port scans, downloading exe files, opening documents containing keyword "root". I use Snort together with ...
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96 views

IIS App cannot write to network share on a 2012 server, fine on a 2008 server

I have a Windows 2008 R2 web server running IIS, and the app needs to write files to a folder. None of the machines are on a domain, just a local workgroup. The app pool is running as the user ...
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111 views

Docker non-root secure?

If I set up a Docker container on an Ubuntu server, and then let it run arbitrary/untrusted code like uploaded PHP, Python etc. as a NON-ROOT user. Is this totally contained and secure by ...
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402 views

OpenSSL 1.0.1e-2+deb7u14 Debian Wheezy and CVE-2014-0224

According to Debian security tracker CVE-2014-0224 vulnerability is fixed in OpenSSL 1.0.1e-2+deb7u10. https://security-tracker.debian.org/tracker/CVE-2014-0224 I have: #apt-cache policy openssl ...
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709 views

Enabling the Internet Connection on an EC2 Windows Server 2012 Machine

I've disabled the firewall: netsh firewall set opmode disable I've made sure to accept all inbound and all outbound connections: Is there anything that I should be installing or adding on to the ...
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135 views

Remove mapping drives from RDP to user from exteral network

I would like to know if you guys have a solution to my problem. I have a terminal server 2012 that can be accessed remotely after a VPN connection and from the LAN. My question is how can I create a ...
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140 views

Lock Down Users on Cygwin SFTP Server

How do I lock down sftp users in Cygwin so that they can't read from random directories such as /etc. i set up local windows accounts for each sftp user on the machine. I've used /etc/fstab file to ...
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163 views

Intermittent SSH problems with a specific server from a specific Wifi router

I've been ssh'ing into a specific server from my home office via Wifi and Time Warner Cable internet for years with no problem. In recent months, I started having problems, where I'd be unable to ...
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28 views

Mysterious http Lp requests found in log

I've noticed the following in my access log: Oct 28 20:01:55 vm1295 nginx: [] 89.109.42.242 400 "Lp" "-" Oct 28 20:58:41 vm1295 nginx: [] 82.208.124.184 400 "Lp" "-" Oct 28 21:14:05 vm1295 nginx: [] ...
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114 views

how to run a web app: users/groups to use for each component?

How do you organize your users/groups to run the different components of your web app? Any best practices? The answer of this question (What permissions should my website files/folders have on a ...
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47 views

Check Unix Credentials on Apache Server Web App

I am building a number of web apps served by apache for internal use and I really want to have them use unix credentials for access. I know a few ways I could do this but all of them seems to expose ...
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783 views

Check for SSL Weak Ciphers SSL3_RSA_RC4_128_MD5, SSL3_RSA_RC4_128_SHA, TLS1_RSA_RC4_128_MD5, TLS1_RSA_RC4_128_SHA

I am getting a serve ready for PCI compliance, and have one area with crypto from apache with the following report: Weak ciphers offered by this service: SSL3_RSA_RC4_128_MD5 SSL3_RSA_RC4_128_SHA ...
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283 views

rkhunter reports suspicious activity /bin/usr/wget and killall permissions changed

Sorry about the long post but please bear with me. I'm wondering if my system has been compromised. I've had issues in the past on this VM server with a Linux.BackDoor.Gates.5 Trojan that was DDoSing ...
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52 views

Setting up muli-project web development server

I'm trying to set up a development server that will be used for several (web) projects by different teams (consisting of different people, some of which may be involved with more than one project). I ...
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356 views

How do you stop tomcat after changing the shutdown word in server.xml?

Running tomcat-7.0.33 on CentOS. I have a security requirement to change the tomcat shutdown word in server.xml to a random string of characters, so I need to go from this: <Server port="8005" ...
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3k views

you must have read permissions to view the properties of this object, administrators group

I think I'm having some difficulty understanding NTFS permissions. My understanding is that when possible you want to avoid assigning a specific user account to NTFS and instead use a group. So I set ...
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74 views

domain admin account unable to modify IE settings, other DOMadmin group accounts can

When I log into one of the servers on our domain as DOMAIN\administrator, IE settings are locked, and indicate that I'll have to check with the system administrator. If I log into the same server ...
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149 views

UNC shared path not accessible though necessary permissions are set

I have 2 environments A and B. A is an original environment whereas B is a clone of A, exactly except AD servers. AD server of B has been assigned a trust relationship with A, so that all the service ...
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263 views

Red Hat 6.5 - Login Errors After Security Hardening

I followed the information below, however, it is strangely blocking me from entering a password upon entering the login prompt on the server: To configure the system to lock out accounts after a ...
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89 views

Which modules can be disabled in apache2.4 on windows

I have an Apache 2.4 webserver running on Windows. I am looking into system hardening and the config file httpd.conf. There are numerous load modules and I am wondering which modules I can safely ...
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126 views

Wordpress + nginx (post compromise), best way to block POST request for random php script?

Due to an outdated plugin, one of the domains that I host on my VPS was compromised and there were bots POSTing to //listTT9.php in order to send mail. The plugin was updated, I've gone through all ...
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1k views

Fixing TLS renegotiation vulnerability on Apache 2.2.3

On a RHEL 5.3 server, I have Apache version: Server version: Apache/2.2.3 Server built: Nov 12 2008 07:09:03 Server's Module Magic Number: 20051115:3 Server loaded: APR 1.2.7, APR-Util 1.2.7 ...
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331 views

Tracert of a spoofed IP results in Infinite Loop

Our firewall picked up a spoofed IP address that caught my attention. When I did a tracert to the spoofed IP address I get what I think is an odd response. Tracing route to 192.168.1.7 1 1 ms ...
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656 views

Chroot master process Nginx 1.2.1

I want to install nginx not current stable version but in one currently deposits, and chroot the process. I followed some tutorials including: Securing Debian Manual Appendix H - Chroot environment ...
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415 views

mysqldump over ssh and mysql restore - security issue?

I've just found a one liner to mirror a local mysql database on a remote server, over ssh: mysqldump -uroot -proot zedatabase | ssh -p4551 geek@12.34.56.78 "mysql -udoom -pmySqlPassword zedatabase" ...
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62 views

Malicious Resources on Linux Server?

When creating a website, I often include custom fonts (which I upload via FTP and reference via CSS). I get these font files from various locations on the web. I was wondering: is it possible for a ...
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188 views

Apache2 mod_dav_svn SVNListParentPath dependent on cilent IP / subnet?

Hopefully a simple question. Given the following Apache 2.2 VirtualHost configuration on a local network server with access from the local network and the internet: <VirtualHost *:80> ...
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96 views

visudo passes syntax check but the file fails when put into place

I've been trying to create a modified sudoers file in /etc/sudoers.d/ but am having trouble. visudo -cf /file/path shows no syntax issues, but when i mv /tmp/sudoers/ /etc/sudoers.d/sudoers sudo ...
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362 views

Remove information revealed in packet inspection

I did a security scan of my server and got the following message: This test gives some information about the remote HTTP protocol - the version used, whether HTTP Keep-Alive and HTTP pipelining are ...
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73 views

Securing files on IIS 7 and Windows Server 2008 Server

What's the best practice for securing a file on an IIS 7 web application running on Windows 2008 server? I have the following requirements and ideas: Requirements: A authenticated user to my web app ...
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48 views

Cannot Connect to Windows Server Using a Particular IP

We have a Windows server 2008 running as web server. The Server has two IP's (A and B) added to it. We were able to use both the IP's for remote desktop connections and FTP connections. Strangely we ...
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102 views

Some basic protection for a stream in Adobe Media Server

(I have no prior knowledge of media servers, streams or things related, so sorry if my question is silly.) I'm trying to set up an Adobe Media Server, just for testing purposes. I'm trying to add ...
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337 views

User security settings for scheduled task on Windows Server 2008 R2

I have a simple executable to run as a scheduled task on some Windows Server 2008 R2. The executable downloads a file from a couple of locations, then writes the time to download the files to a SQL ...
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183 views

Filter rsyslog message by message id?

I'm trying to filter out some windows logs, that from program named Security-Auditing and with a message id 4624, but it doesn't work: if $programname == 'Security-Alert' and $msgid == '4624' then ...
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53 views

wifi network connection selection restriction

I'm dealing with the following scenario. C1 - computer 1 used for work. Windows 7 with limited user account for worker. R1 -- is wifi router 1. This router is allowed to be accessed by C1. It is ...
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7 views

Php-fpm pools configuration for multiple websites in Centos 7

After following this tutorial for installing Lemp on Centos 7, I decided to host multiple sites on the same Virtual Server. Using Nginx i created a server block for each site, and everything worked ...
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0answers
16 views

What application/service is expected under the URL /more?

I am seeing a lot of 'random' URLs giving 404 in my apache access logs: /favicon.ico /browserconfig.xml /robots.txt /more /a2billing /apple-touch-icon.png /apple-touch-icon-precomposed.png I ...
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20 views

Audit user activity

I need to grant access to one of ours Ubuntu servers to our new freelance developer. He is a new guy for us, so we'd like to verify his activity on our server. We have to add him to sudoers, because ...