A system whose primary function is to deliver web pages on request to clients.

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8
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1answer
197 views

How to force “expensive calculation” when clients connect to my server?

Page 183 of Secrets & Lies on countering denial-of-service attacks: Some researchers have proposed defenses that force the client to perform an expensive calculation to make a connection. ...
0
votes
1answer
223 views

oracle weblogic vulnerability

I searched for Oracle Web logic vulnerabilities and found this vulnerability: Oracle WebLogic Server Cross-Site Scripting and Manipulation of Data Vulnerabilities ...
0
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4answers
197 views

How to secure my website's FTP?

When I opened ftp command prompt and typed open mydomain.com, it gave me the following and I think that this is a security vulnerable. connected to mydomain.com. 220----- Welcome to Pure-FTPd ...
1
vote
1answer
248 views

Checklist for securing JBoss

Is there a security checklist for auditing JBoss configuration files ? CIS and DISA provides security checklist only for Tomcat and Apache server. Is there any other ressources ?
4
votes
2answers
513 views

Retention periods for web logs

I work for an ASP that provides banking solutions Card Services Payments ACH Online Banking And others Back Story: Our company provides an "all in one" solution or parts thereof, we are ...
0
votes
1answer
334 views

Virtual private server security [closed]

I want to move from a shared hosting to VPS. I never used VPS or dedicated server, so I wanted to know if there are some security precautions that I should have in mind. Say, I create a ftp account ...
4
votes
3answers
134 views

Will sabotaging a shared web hosting account threaten the security of sibling accounts being that they are shared on the same server?

Will sabotaging a shared web hosting account threaten the security of sibling accounts being that they are shared on the same server? Whether it it be through htaccess setups, posting login ...
4
votes
4answers
122 views

What things should I check for when giving a client control of the filename parameter to C's open() function?

I'm doing a school project where we are building a simple web server in C. To implement this I read the first line of the request (all I need for my purposes) and parse the middle string as the file ...
1
vote
2answers
87 views

Preventing interaction among web application on a shared hosting account

I have multiple web application installed in separeted directories in a shared hosting account. My worry is if one application get hacked, attacker can use it to attack other applications too. So, My ...
0
votes
1answer
60 views

Security implications of putting virtual hosts source code in /var/www/[domain]

A friend pointed out that putting virtual hosts as sub folders of the default /var/www was a bad idea. (linux example path; this applies to all OS) I see that it's possible to reach the virtual hosts ...
1
vote
2answers
502 views

Directory traversal & default filesystem permissions (755) for web server

I'm trying to get a better understanding of the potential security holes my default filesystem permissions might be creating. It appears I am capable of traversing my filesystem, serving simple php ...
0
votes
2answers
77 views

Is it possible to sabotage google bots? [closed]

Consider the following theoretical webserver: On any request, produce an html response that consists of 2 links, which are each randomly chosen strings followed by ".html". When the google bot ...
6
votes
3answers
2k views

First steps in preventing DOS attacks

My server is currently being attacked from another server. This is my log: root@my-server:/var/log# tail -f auth.log Feb 19 11:53:08 my-server sshd[3745]: Disconnecting: Too many authentication ...
54
votes
4answers
40k views

“Optimal” Web Server SSL Cipher Suite Configuration

Over the last couple of years there have been a number of changes in what would be considered an optimal SSL cipher suite configuration (e.g. the BEAST and CRIME attacks, the weaknesses in RC4) My ...
1
vote
1answer
598 views

Can closing port 80 lead to more security?

If a website is running on HTTPS only, is it reasonable to close port 80 of the web server and only leave port 443 open? Does this action provide more security for the website?
0
votes
1answer
225 views

How do I solve a lot of Failure Audit (529 680) which are appearing in event viewer “Security” tab?

was trying to consume an Web Services that I have published on the Web but I couldn't thing is that when I got into the server and check the "Event Viewer" I have a LOT of "Failure Audit" and they ...
1
vote
3answers
91 views

Why pull upgrade from production server rather pushing them from development server?

I am reading a book on security which suggest that if you have both development and production server and if you make some change, you should pull them from production server rather pushing them from ...
1
vote
1answer
153 views

Is authentication through proxy sites safer?

usually in office or wherever whenever we are blocked with gmail and facebook websites,we used to browse the site with the proxy sites,we used to pass our login data through proxy sites,my question is ...
2
votes
2answers
535 views

Does reverse proxy between two web servers impact security of both?

Situation: Consider the site: example.com, hosted at web server A. A WordPress blog is to be installed on a different web server, B. In order to route a WordPress installation to a subdirectory on ...
4
votes
1answer
101 views

Dangerous to open a unix socket within www root?

My web server is chrooted into /var/www, and its contents are available over the network. One of my web applications needs access to a unix socket, and so that socket needs to be somewhere in ...
2
votes
3answers
819 views

PCI DSS - only one primary function per server

The PCI DSS says that a server can have only one primary function and i'm a little confused over what it means by 'one primary function' we have a webserver with database - web pages and email is ...
0
votes
1answer
106 views

Different certificate information for the same website?

Apologies for the funny title, I'll try to give a better explanation here :) I have just noticed something weird with regards to a website certificate: if I go to https://www.anobii.com/login using ...
0
votes
1answer
557 views

Possible ways of exploiting PHP register_globals [closed]

I have a PHP script that executes a bunch of commands to verify that a user is logged. if (( isset ($password) && $password!="" && auth($password,$hidden_password)==1) || ...
1
vote
0answers
42 views

How to manage security for multiple PC and VM?

I have a firewall VM which creates I have used to setup subnet for different purposes. For example: (fake ips, of course) 1.1.2.1/24 DMZ 1.1.3.1/24 Internal 1.1.5.1/24 security/logging I use ...
2
votes
1answer
848 views

How to run a tor hidden service from home securely?

Another theoretical question about Tor: Imagine I am running a dissident web site as a hidden service. How can I reduce the chances that I get caught? Assume I am running the server from home, over a ...
2
votes
1answer
211 views

What features boost security for a home edge router?

I want to hide my home network behind a router and not worry about firewalls on internet-facing devices. Furthermore, one PC is going to be hosting some services, so I guess I need port forwarding as ...
1
vote
1answer
199 views

What is LFI vulnerability

LFI: Local file inclusion. After going through many tutorials I have two things I can/t figure out: checking the vulnerability: I don't understand what makes a website vulnerable or not. For ...
1
vote
1answer
303 views

How to deny shell execution in all sub-directories?

I want nginx to deny users who have folders inside /webroot/uploads e.g. /webroot/uploads/user1 /webroot/uploads/user2 /webroot/uploads/user999 to execute any shell (php, pl, py, binary). The ...
4
votes
1answer
2k views

Why does Directory traversal attack %C0%AF work?

Introduction: I am trying to learn the basics of Directory Traversal. Question: While trying to understand the 2-Byte Unicode conversion of characters, I came across this_SANS ARTICLE that explains ...
2
votes
2answers
895 views

What is the ultimate goal of hacking a webserver? [closed]

Recently I noticed a lot of traffic generated by automated bots that were checking for vulnerabilities in my web server. They were mainly looking for ways to hack into plesk/wordpress which I don't ...
10
votes
4answers
14k views

Identify and disable weak cipher suites

i'm asking a question on a subject that is pure chinese to me..sorry in advance A security scan result prior to the deployment of a web application on windows server 2008 R2 has raised the below ...
1
vote
3answers
653 views

How to detect anomalous activity in web server traffic?

I'm wondering how to successfully detect malicious activity in my web server traffic? Could you point me out some popular solutions which can help me to detect attacks on my web application? I ...
0
votes
1answer
68 views

What security exposure (if any) can result from lots of apparently odd referrers in server log

I see relatively many referrers such as the following (as reported by Webalizer) in a web server log. The server is located outside Russia and it's a small one. 8 3 http://tiandeural.ru/ 19 ...
1
vote
1answer
113 views

How to Minimize Apache Loadable Modules (serving MediaWiki)

According to Guide to the Secure Configuration of Red Hat Enterprise Linux 6, there is this policy: "In certain scenarios, it is beneficial to remove certain httpd modules to limit the functionality ...
27
votes
2answers
3k views

Do simple Linux servers really need a non-root user for security reasons?

Playing devil's advocate, Let's assume I purchase a Linux server from a hosting provider. I am given a password for the root user and am told I may login using SSH. The only purpose this server has ...
4
votes
1answer
304 views

Increased HEAD traffic to my website

In the last few weeks I have been getting an increased HEAD traffic to my website of the form HEAD / HTTP/1.0" 200 0 "-" "-" This just returns the details of my web server, right? The IPs are from ...
3
votes
2answers
708 views

Is it possible to steal a non secure Cookie when the Web Server (IIS) only allows Https?

Is it possible to steal a non secure Cookie (Secure Flag is false) when the Web Server (IIS) only allows Https?
3
votes
1answer
1k views

How does Windows/IIS keep a certificate protected or should I never run Apache Webserver on a Windows server?

If I follow the reasoning of a colleague it seems you should never run Apache Webserver or Tomcat on a Windows server if you want to keep the https certificate safe. Let me explain before this ...
7
votes
1answer
216 views

Why Apache runs as unprivileged user?

Apache Web server as a security measure relinquishes its system privileges and runs as a normal unprivileged user before accepting clients over a networks. My Question is How this measure prevents ...
1
vote
2answers
1k views

How to Check if my mail is classified as Spam

I think several of mails are classified as spam.But Gmail and other Public Email providers has no issues. It might be a false positive cases with the associated tools Is there a tool or a way by ...
1
vote
1answer
176 views

Do any tracking networks or ad networks not use JavaScript and only track based on IP address? If yes, how can they be prevented?

Are there any websites that collectively track one computer based on its IP address alone? Browser extensions such as Ad block plus, Do Not Track Plus and Ghostery modify the client side script but is ...
-1
votes
1answer
183 views

Would PGP/GPG have been a better choice than SSL for browsers and http servers to encrypt traffic? [closed]

I was curious recently when I heard that SSL had supposedly been broken by a certain rogue government agency, why SSL was chosen in the first place. Could it be that PGP would have been a more secure ...
1
vote
3answers
489 views

Can my customer's ISP trace who visited my business website?

I own a private business and a web site with a domain name hosted with Godaddy US. I live in Europe. I want to know if the various ISP of my customers in my country can find out who visited my web ...
0
votes
1answer
2k views

What methods are there of protecting a VPS from DDOS attacks? [duplicate]

I was just wondering what would be the best way to stop a VPS from being attacked, bandwidth would be a problem in this case so methods that reduce the amount of incoming attacks and stop sending ...
3
votes
1answer
8k views

Explanation of open ports

I've run metasploit against my web-server and it found several opened ports that I didn't know. Please note that I have a firewall and IPSec configured but they were disabled just for testing ...
1
vote
2answers
359 views

PCI Compliance Distibution

I run a small e-commerce website hosted on a dedicated server with Debian 6 Squeeze. I need to become PCI compliant (the card industry standard for security). Therefore I have registered with ...
1
vote
1answer
837 views

Security implications of adding all domains to CORS (i.e. Access-Control-Allow-Origin: *) [duplicate]

I am curious of what all the security implications are if I set the following two HTTP response CORS headers; Access-Control-Allow-Origin: * Access-Control-Allow-Credentials: false The only ...
2
votes
3answers
163 views

Website Authenticity/Verification without SSL

Are there any other ways of verifying the web server you're visiting is actually the correct one? For example, if a domain name's DNS was hypothetically hijacked, and users were directed to a phishing ...
2
votes
2answers
673 views

Managing and deploying web app passwords

What are some best practices for managing and deploying web app passwords and private keys? E.g. the password to access a database or external services like the Facebook API. I'm referring generally ...
0
votes
1answer
347 views

Can query string command line exploits in older CGI implementations of PHP be protected against without updating PHP versions?

We recently received this from a security audit: PHP is a general purpose scripting language that can be embedded into HTML. A vulnerability exists in PHP versions prior to 5.3.12 and 5.4.2 due to ...