Tagged Questions

Security is not a product, but a process.

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-1
votes
0answers
12 views

Why block wget Download Agents [migrated]

I noticed that some nginx configurations block download agents using wget like this: if ($http_user_agent ~* LWP::Simple|wget) { return 403; } Why block wget? If I use the above code in my ...
0
votes
0answers
15 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 ...
0
votes
1answer
34 views

Do blocking input ports increases security?

1-Do blocking unused input ports in firewall increases system security? How? (as there is no daemon listening on those ports anyway) 2-Do dropping those unused ports will positively or negatively ...
0
votes
0answers
19 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 ...
-4
votes
1answer
41 views

Restrict Access from certain machines to my Web Application in LAN

I am trying to deploy a Local Network web application, which should not necessitate a client login. The requirement is to block certain machines, (not users, just a few computers, the application ...
-6
votes
1answer
38 views

encryption of fiber communications [on hold]

We have to connect one site to another using leased fiber ( theoretically it's a dark one ) in order to replace a radio link. All servers are in one site. Both location now have Gigabit networks. Can ...
-2
votes
0answers
17 views

About Packetpig [on hold]

I have two question. 1.What is the major difference between a PacketPig and the other tools such as Snort Wireshark, TCPDump when used by big data set? 2.Is it possible to use PacketPig in order to ...
4
votes
1answer
23 views

How are files being added to site as apache, when site is running as FastCGI?

I have a web server that is running many different sites (standard vhosts setup, most sites are Joomla based, a few wordpress and other non-CMS sites) in a Parallels Automation 11.5 environment. The ...
0
votes
0answers
25 views

how can i find out more about this perl process [duplicate]

i recently have isolated a domain account on my virtualmin vps that i believe is responsible for high cpu usage for nefarious purposes. with the account disabled, the 2 perl process still popup but ...
0
votes
1answer
35 views

Securing Webserver and Database

I need to secure an internal web server and sql db, that is going to be made public(www) At this stage im only looking to provide a reasonable amount of security($$) until it gets bigger at which ...
2
votes
1answer
36 views

Least-Privilege BUILTIN\Administrator Failure Configuring Application Control Policies with AppLocker

I asked this question over at SuperUser to no avail a while ago, before realizing that serverfault may be a better option. I'm configuring execution control on a computer running Windows 7 SP1 ...
0
votes
0answers
24 views
+50

Enable secure port 9091 of Openfire server

Is it possible to import .crt and gd-g2_iis_intermediates.p7b certificates in to the keystore of Openfire 3.9.3 XMPP server in order to make SSL ports enabled. I received .crt and ...
0
votes
1answer
30 views

Does DB2 accept SSL3 connections?

Does DB2 allow connection through Secure Sockets Layer version 3 (SSL3)? To be more exact, will a program using SSL3 connection get an access to DB2? or will it fail? If it does accept it, is there ...
-2
votes
0answers
16 views

limit sites permissions on server [closed]

I am hosting multiple PHP sites on my linux server with LAMP, I want to restrict each sites' permissions not to modify any file outside site folder directory, like most shared hosting companies do, do ...
1
vote
2answers
36 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 **@** << ! ...
0
votes
0answers
6 views

Create a persistent mapping for a apppool identity

Can I create a persistent mapping for a apppool identity? For instance the IIS website "www.example.net" should access "\10.10.10.222\shared$" through F: My Website is MVC(5) so I think the ...
0
votes
0answers
17 views

How do I block all requests by default in vhost configuration?

I am setting up a site using standard apache vhost but I have multiple domains pointed at the server. I know the first vhost catches all the other names even if they are not listed under the vhost. ...
-1
votes
1answer
36 views

Check my own servers for vulnerabilities [closed]

We are a small early stage startup with not so much money to spend. We have less than 3 servers that we want to monitor for security issues. Our website is essentially on one server having: Ubuntu ...
0
votes
1answer
41 views

Enabling cipher TLS_RSA_WITH_3DES_EDE_CBC_SHA (0xa) on Windows Server 2003+ISA 2006

I have been given a task to disable all "weak" ciphers/protocols on our very old ISA server based on Windows Server 2003. I have disabled all protocols but TLS1.0, and all ciphers but RC2/128, RC4/128 ...
0
votes
1answer
16 views

How can I know where and how a security group is triggering a logon script for some users?

The organization I work for has implemented application access and scripts via Security Groups. This is, if a person needs to access some applications or have a script run when he logs on, we add ...
0
votes
1answer
42 views

Can I block inbound traffic from a certain ISP

The problem My server keeps getting DDoS attacks from IP's belonging to Ecatel in The Netherlands. I wrote them a month ago and still haven't heard anything, and keep blocking individual IP addresses ...
0
votes
1answer
29 views

Google Authenticator - generate new set of emergency codes

I use Google Authenticator on my SSH servers with Andoid app for generating codes. After I run $ google-authenticator application create set of emergyncy keys: ...
-1
votes
0answers
40 views

Most secure reboot-to-restore solution? [closed]

We have a few computers running Windows 7 that we need to lock down and so I have been doing some research on reboot-to-restore solutions. Here is what I've found out: Deep Freeze: "Deep Freeze is a ...
1
vote
2answers
567 views

POODLE: SSLv3 vulnerability (CVE-2014-3566) with Apache24 on FreeBSD-9.2

I'm using FreeBSD 9.2-RELEASE-p5 with apache24-2.4.10_2 package. According to CVE-2014-3566 (POODLE), I went ahead and disabled SSLProtocol -SSLv3 following by restart of apache24 service, yet after ...
0
votes
0answers
12 views

Apache HTTP server STIG rule

I am new to setting up Apache HTTP and have to STIG the Apache HTTP 2.2 I have running. (http://iase.disa.mil/stigs/app-security/web-servers/Pages/index.aspx). For one of the rules it says the ...
-2
votes
1answer
54 views

How can I check if my server is using ssl 3? [duplicate]

How can I check if my server is using ssl 3? When I run openssl version command I get this. OpenSSL 1.0.1 14 Mar 2012 Thanks.
-1
votes
0answers
41 views

Post wp-login.php flood [duplicate]

my wordpress website is very slow and i'm getting thousand of line like this in access.log of apache : 127.0.0.1 - - [15/Oct/2014:12:43:31 +0200] "POST /wp-login.php HTTP/1.0" 200 5297 "-" "-" ...
-2
votes
0answers
38 views

how to find Poodle (Padding Oracle On Downloaded Legacy Encryption ) vulnerability in Apache 2.4.7 [duplicate]

how to find Poodle (Padding Oracle On Downloaded Legacy Encryption) vulnerability in Apache 2.4.7 and solution to fix the issue. when I use openssl how can find.
10
votes
2answers
4k views

How can I tell if my website is vulnerable to CVE-2014-3566 (POODLE)?

Google announced a vulnerability in the SSLv3 protocol that ... allows the plaintext of secure connections to be calculated by a network attacker. This vulnerability has been given the ...
0
votes
1answer
65 views

Powershell script for specifically OU

Need help with hte following, a script that can export all members of a specifically OU with in that multiple security groups. Location of the OU is; OU=Security Groups,OU=Public ...
0
votes
1answer
41 views

Diagnosing heavy bandwidth usage

I run a couple of IIS web servers, one on win server 2008 R2, the other on 2003. Both fully patched and up to date, with AV. Running on a No NAT connection with 8 WAN IP's The 2003 machine seems to ...
0
votes
0answers
16 views

do automatic updates (unattended-upgrades) still work with third party repository?

If I install nginx from the nginx repository by appending the following to the end of the /etc/apt/sources.list file: deb http://nginx.org/packages/mainline/debian/ trusty nginx deb-src ...
0
votes
1answer
32 views

SSH Failed password login - log password

today I checked the log of my sshd and I have discovered tons of lines like :Oct 12 Oct 12 12:31:34 my_user sshd[15324]: Failed password for invalid user admin from 104.194.25.135 port 2683 ssh2 ...
0
votes
4answers
47 views

where should the site root directory be? [closed]

Where should I put my site root directory "my_site"? Any best practice? /var/www/my_site/ /var/local/sites/my_site/ /usr/share/wwww/my_site/ /usr/local/my_site/ /opt/my_site/ /srv/my_site/
0
votes
0answers
18 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 ...
-3
votes
1answer
27 views

Secure SSH access [duplicate]

I am making a website and I am using a droplet made in digital ocean as my dev server. (No stg or prd yet) The problem is that I am using Dynamic IP and if I blocked access on port 22 to my current ...
5
votes
1answer
36 views

W2K8R2 - A way to convert effecitve Group Policy settings to import on stand-alone machines for local policy?

If I have a relatively robust domain environment (e.g. 20 Security related Group Policy Objects) applying to my servers as a baseline set of policy settings and I have a stand-alone server that I want ...
0
votes
1answer
28 views

OpenBSD chroot for nginx/Apache file permissions

I haven't been able to find a satisfying answer on Goole or the various Stack forums: I noticed that files under /var/www (where nginx and I believe Apache are chrooted by default) have permissions ...
0
votes
0answers
17 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 ...
1
vote
1answer
29 views

Ways to follow newly discovered vulnerabilities?

I happened to be in a situation where I am in charge for 100+ systems on top of my job as a programmer. Everything we run is Linux (Debian, Ubuntu, Centos) and gladly our sysadmin set everything with ...
0
votes
1answer
55 views

Local port access blocked by iptables

Although experienced with Linux, I'm new to iptables, having set it up following a Rackspace virtual server setup guide. Using port scans and checking remote access to required ports, I can see all ...
0
votes
1answer
72 views

Http 1.1 protocol detected

I have a CentOS server and we had a Retina security scan. I have no idea how to fix this vulnerability. Can you point me in the right direction? We are running nginx.
2
votes
1answer
39 views

Submit a certificate request file from a non domain computer. How to figure out policy server parameters

I'm trying to submit a certificate request. I'm trying to do it from command line so I can run it from code. Previously I have done it by using the Microsoft Active Directory Certificate Services for ...
0
votes
0answers
9 views

Exposing pm.status_path [migrated]

Do you think it's dangerous to publicy expose PHP-FPM pm.status_path? It displays "Pool Status", "Active Processes status" and "Idle Processes status", showing Script path and Request URI.
-2
votes
0answers
42 views

Apache was hited from localhost at the time the server was under attack [duplicate]

I have reasons to conjecture that my server was under some kind of attack last week. (The webserver wasn't responding during the time I was teaching students of computer science at university.) I was ...
3
votes
3answers
615 views

How is a private data center more secure than a public cloud?

I have customers in the financial services industry that insist that a SaaS hosted on public clouds like Amazon's are not as secure as colocation in a private data center. However, I can't find ...
1
vote
1answer
84 views

Security risks of using Google DNS to resolve names on a private net (192.168.x.x)?

Are there any known risks associated with using a public DNS versus a DNS which we or our partners control? Our solution involves a few embedded devices so using Google DNS would give us a degree of ...
-2
votes
1answer
95 views

How do I know how the hacker gained access to my machine? [duplicate]

I own a dedicated machine and today I got an email from my host saying that my server will be blocked if I don't stop abusing the network. I am not a spammer or hacker. Someone was using my machine to ...
-1
votes
1answer
37 views

IIS 8.5 Securing FTP [closed]

I have a IIS installation on Windows Server 2012 R2. I need to provide FTP access to a website. Its only one person. The easiest way to make it secure is to make an ip-restriction and only ...
0
votes
0answers
28 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. ...