Security is not a product, but a process.

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3
votes
1answer
105 views

How to authenticate a user from an external Windows Domain (Active Directory)

I have a service (AcmeService) running on a domain (ACME.COM) and a user running in another domain (DISNEY.COM). mickey@disney.com wants to authenticate with the AcmeService. The service knows about ...
1
vote
1answer
35 views

How can I install a client certificate for all users of a computer?

I have a PFX file (.p12) that is needed to allow access a remote web page. Double-clicking on this file and following a few prompts easily adds the certificate to a personal store, but this only works ...
-4
votes
1answer
150 views

Is WampServer on Windows vulnerable to Bash Bug / Shell Shock? [closed]

The title says it all. I don't think Wamp is running with Cygwin but I would like to be sure of that.
1
vote
1answer
45 views

CRM 2013 Internet Facing Deployment (IFD)

For previous CRM IFDs I have placed the CRM Front End server in the DMZ along with an ADFS Proxy and allowed access from the Domain Controller to the CRM Front End through the firewall. This is ...
0
votes
0answers
34 views

Dell 5548P, MIB value for port security violation notification

Anyone have idea on MIB values(OID value) for Port security violation notification with dell 5548P switches.On Cisco its [1.3.6.1.4.1.9.9.315.0], not sure whether i can use the same for montioring ...
0
votes
1answer
27 views

MySQL via SSL on VPC private subnet

Is an SSL connection recommended when connecting to a MySQL database server via a private subnet? SSL provides encryption but SSL causes a performance hit. The MySQL database server only serves ...
11
votes
2answers
3k views

How does the updated Shellshock vulnerability test for CVE-2014-7169 work?

I understand the original test for CVE-2014-6271, which was: $ env x='() { :;}; echo vulnerable' bash -c "echo this is a test" But I'm confused by the updated test and corresponding output for ...
68
votes
6answers
42k views

How to test if my server is vulnerable to the ShellShock bug?

How can I ensure my Bash installation is not vulnerable to the ShellShock bug anymore after the updates?
2
votes
4answers
142 views

Disable Windows Share Without Administrator Access

We have a folder on a windows server shared to provide access to an important application. When the application is being updated we (DBAs) change the permissions on the share to deny all access to it ...
1
vote
1answer
25 views

Sent mail/login log for roundcube webmail

Does roundcube webmail have a log for logins, or for sent mail? I searched everywhere but could only located the "error log" directory in roundcube, not one for logins or for sent mail. I'm trying to ...
1
vote
1answer
36 views

Roundcube does not add IP address information into sent emails

Usually the mail client is supposed to add IP information into emails, in order for the sender to be tracked. But when you send emails from Roundcube Webmail/0.8.4+, the IP address of the server is ...
0
votes
1answer
13 views

Set base directory for dynamic virtual hosts

I use Dynamic VirtualHosts for a hosting service I run. Currently, it only allows static sites, however I'm working on a new version which will support PHP. This clearly opens some security issues. ...
0
votes
0answers
14 views

Rename IWAM and IUSR accounts on cloned servers

We cloned couple of servers and all of the new ones have the same name for IUSR and IWAM accounts. Now as per my understanding, these are local accounts and should be fine. Do I really have to/should ...
0
votes
2answers
97 views

Arp attack on my network

We have a small network of around 100 laptop/desktops and around 20 servers (sounds an overkill but these servers provide service for all our external contractors too) and we have recently noticed ...
0
votes
1answer
35 views

How to change password complexity for mailbox in exchange 2013

I find the default password policy in exchange pretty weak (only 6 char.). Is there a way to change this password policy ? e.g. : Minimum 1 cap, Minimum 8 letters. Thank you !
7
votes
2answers
138 views

Storing AWS credentials securely on a personal machine

How can I securely store AWS credentials on personal machines? In detail: Everybody in our team requires AWS security credentials for doing administrative tasks (credentials are separated by role). ...
0
votes
1answer
17 views

Detect files of folders which do not inherit permissions from their parent

Is there an easy way to find any files/folders (recursively) within a directory which do not inherit permissions from their parent. i.e. To gauge the effects of selecting "replace permissions on ...
0
votes
1answer
53 views

Do all captive portal solutions work the same way? (cookie, vs MAC address, vs other?)

While traveling and having to interact with a number of broken captive portal implementations I've overheard other passengers having usability issues with iPads, Phones, computers depending on the ...
0
votes
1answer
64 views

Using SHA256 with SSL certificates in HAProxy

Through an article on Security Labs I read about Google deprecating SHA-1 as signature in Chrome next year. Now I want to edit our HAProxy SSL configuration to fit the new security needs. What are ...
0
votes
2answers
197 views

Nginx, ModSecurity, IP Tables blocking WordPress dos/ddos attack

For the past 14 days I have had my website being hit by millions of WordPress installs over the world which .htaccess is kind of coping with but I am trying to get something to kick them before ...
-1
votes
3answers
146 views

Security policy: servers without root/administrator password

I am considering running public web and application servers with blank root/Administrator passwords, and I'm wondering whether this might be a bad policy. I see several advantages of having no ...
-1
votes
1answer
200 views

Is the PHP option 'cgi.fix_pathinfo' really dangerous with Nginx + PHP-FPM?

There has been a lot of talking about a security issue relative to the cgi.fix_pathinfo PHP option used with Nginx (usually PHP-FPM, fast CGI). As a result, the default nginx configuration file used ...
-1
votes
1answer
33 views

Is www-data considered a non-privileged user on Apache?

Great Apache Hardening post that recommends "Run Apache from non-privileged account" because "Default apache configuration is to run as nobody or daemon." Is www-data:www-data considered a ...
0
votes
1answer
34 views

What is the name of this “security leak finder” application?

They said that there were some vulnerabilities, and then pointed these results: What is the name of this application?
0
votes
1answer
75 views

Security Auditing on Ubuntu 14.04 LTS

The Tiger security auditing tool has been a standard install in the past. However, it doesn't look like Tiger is being updated. Is Tiger still a valid security auditing tool on Ubuntu 14.04. If ...
4
votes
2answers
595 views

Do I have to buy a second wildcard certificate for a subdomain?

We already have a wildcard certificate for *.mycompany.com. Our network has hosts that are only reachable internally. All of them belong to the internal.mycompany.com subdomain. There is a private ...
19
votes
2answers
1k views

Customer wants open postgresql port, how to make that secure?

So, this is the situation. It seems, we need to have an open tcp port 5432 for the world, where a customer has access to his postgresql database. Because obvious reasons, we can't say just "no", only ...
1
vote
1answer
65 views

Is storing password hashes in plain text dangerous?

We have a server that is going to be managed through a chef cookbook. Each user for the system is configured using hashes from /etc/shadow. Can we safely store these shadow hashes in our ...
1
vote
0answers
14 views

Auditing connections using certificates

We would like to have clients connect using client certificates from a trusted (internal) issuer and then log which user connected. Unfortunately, the following limitations are preventing success: ...
0
votes
1answer
32 views

Does “Deny log on locally” effect “Allow log on through terminal services”?

I am hardening a system and i am unsure about whether or not denying log on locally but allowing log on through terminal services will work. Does deny locally override the terminal services setting?
2
votes
1answer
85 views

chattr - How to change file +i attribute without using chattr

Here`s the problem. My server got probably hacked. I would like to change a config file, but it is immutable (has the +i attribute), so I can't edit it. trying to execute a "chattr -i" on the file ...
1
vote
2answers
36 views

Ability to use SSH Key / PEM for web authentication in lieu of password protection?

I've been trying to figure out a way to lock down our dev site even more, and the idea came up that instead of using IP centric + Password protection, using something more akin to a PEM key, like I ...
-2
votes
1answer
96 views

Prevent/Stop Namespace Mining [duplicate]

Enviroment: Plesk v12, latest Windows Server 2012 SmarterMail My web hosting provider told me that someone hacked into my server a couple of weeks ago and was hitting various mail servers (Gmail, ...
-2
votes
1answer
54 views

Multiple attacks - what can I do

I experience multiple attacks on my server recently (for past several days). Types of these attacks are e.g.: Several SQL Injection methods (select/union/where/null, etc.) Brute force attacks (e.g. ...
-1
votes
1answer
39 views

Making Private Domain Marriage Public Domain Name - Revisited

I'm building a server with Windows Server 2012 and I've checked many articles on the net about "naming" your internal domain. Interestingly, most of the comments are from 2009. As we all know, times ...
0
votes
1answer
82 views

How to block spambots and about security

Is it normal to have many many lines in /var/log/kern.log about UFW block? For example: Aug 29 22:13:13 myvps kernel: [1980808.931708] [UFW BLOCK] IN=venet0 OUT= MAC= SRC=60.173.8.240 DST=me ...
0
votes
1answer
32 views

Under what conditions in Apache installations is AddHandler application/x-httpd-php .php required?

I am a security researcher who has been running into multiple cases where file upload forms can be exploited, allowing attacker-controlled PHP code to be interpreted by the server, leading to remote ...
0
votes
2answers
82 views

IE11: Allow display of local HTML files

How can I enable Internet Explorer 11 that has Enhanced Protected Mode turned on to display local HTML files? This is very annoying also I see the security need behind this feature. Can someone ...
1
vote
0answers
68 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 ...
12
votes
4answers
323 views

How to convince my Administrator that Java ON A SERVER is not insecure per se?

The Application We have a small Java application which uses some Camel routes to pick up uploaded files from a webserver, process them and send out some e-mails with the results. The server on which ...
0
votes
1answer
44 views

Completely block access to Cisco

There is Cisco Catalyst 3850 (WS-C3850-48T-E) which is managed only via management port. There are several VLANs on the switch. Also the switch works as a DHCP server. SNMP & SSH are already ...
0
votes
0answers
37 views

RHEL 5 with PHP 5.1.6 VS RHEL 6 with PHP 5.3.3: Security implications

Using only the RHEL Repositories, RHEL 5 considers PHP 5.1.6 to be up to date, and RHEL 6 considers PHP 5.3.3 to be up to date. My question is: Are security updates/patches backported so that 5.1.6 ...
-1
votes
1answer
330 views

How can I upgrade apache in Ubuntu 14.04 LTS

I'm running an Ubuntu server 14.04 LTS (Long Time Support), it comes with Apache/2.4.7. However, Apache 2.4.10 is out, with some security fixes I'd like to have. So how can I get these security ...
-1
votes
3answers
43 views

Is it possible to configure inheritance for EC2 VPC Security Groups?

We'd like to be able to access the instances in our VPC from the various public IPs that we have in our corporate network. Is it possible to create security groups (like operator-security-group) and ...
2
votes
1answer
82 views

Is the server still vulnerable to attack if we don't turn off cgi.fix_pathinfo?

The /etc/nginx/sites-available/default file that comes with nginx installation has the following content: # You may add here your # server { # ... # } # statements for each of your virtual hosts to ...
0
votes
0answers
18 views

Restrictions for remote Vmware View users

We have a Vmware View VDI infrastructure with several thousands of users that can log on from the internal network and from Internet thru a VMware View Security Server. We want to restrict ...
-1
votes
1answer
51 views

What is it that makes BSD a popular choice for firewalls? [closed]

What is it that makes BSD a popular choice for firewalls? Is the kernel generally more secure?
-1
votes
2answers
40 views

Multiple non-http services, 1 static IP [closed]

I have an issue where we have several non-http(s) services which we would like to access from across the WAN. SSH is a primary protocol we'd be using, FTP as well. Here's how things are laid out. We ...
-2
votes
1answer
38 views

Unix Server Protection from Physical Access?

I'm working to license our software to some buyer. Our software will be ran from an unix server that is physically controlled by the buyer. Is there any way to prevent the buyer who have physical ...
0
votes
1answer
77 views

Nginx Password Protect Directory Downloads Source Code

I'm trying to password protect a WordPress login page on my Nginx server. When I navigate to http://www.example.com/wp-login.php, this brings up the "Authentication Required" prompt (not the WordPress ...