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

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2
votes
1answer
164 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 ...
1
vote
0answers
29 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 ...
1
vote
1answer
65 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 ...
4
votes
1answer
382 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
523 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 ...
7
votes
5answers
6k views

Benefits of identifying clients based upon the “X-Forwarded-For” or similar HTTP header in addition to Client IP

The X-Forwarded-For header is used by some HTTP proxies to identify the IP address of the client. The wiki page (linked above) mentions that ISPs may use this header as well. In addition there are a ...
6
votes
3answers
2k views

What's involved in taking over someone else's domain name?

I'm asking this for purely academic reasons. I know that there are domain record lists and whatnot, but I'm trying to understand the exact structure of how DNS works and where someone can potentially ...
3
votes
2answers
825 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
210 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
54 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 ...
21
votes
5answers
13k views

What ciphers should I use in my web server after I configure my SSL certificate?

There are many great questions that ask what is the best certificate to use for a website; but once the certificate is purchased, there is also the possibility to choose or edit the Cipher list. ...
18
votes
3answers
692 views

Where to report malicious URLs, phishing, and malicious web sites?

I recently discovered that my web site was hacked: there was a HTML hidden div selling about shoes... I Googled the text in question and voila: thousands of sites have been hacked. Check this out: ...
4
votes
1answer
121 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 ...
7
votes
1answer
146 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 ...
3
votes
2answers
229 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?
2
votes
1answer
299 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 ...
1
vote
2answers
174 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
81 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
95 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 ...
20
votes
7answers
768 views

How can I protect a WordPress installation?

How do you go about protecting a default WordPress installation? What checklist do you use, best practices, tips and tricks, etc? Any recommendations on plugins, third-party tools are welcome.
0
votes
3answers
356 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
694 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 ...
2
votes
1answer
962 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
134 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
252 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
2answers
347 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 ...
5
votes
3answers
3k views

When is it appropriate to SSL Encrypt Database connections?

Let's say I have a web server I setup, and then a database server. However, they are communicating locally and are behind firewall. In my opinion, no SSL is needed here right? The only time to use ...
2
votes
3answers
142 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 ...
20
votes
3answers
1k views

Is using Git for deploying a bad practice?

I tend to use Git for deploying production code to the web server. That usually means that somewhere a master Git repository is hosted somewhere accessible over ssh, and the production server serves ...
0
votes
1answer
172 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 ...
0
votes
1answer
93 views

How to investigate this anomaly?

According to the IT managers, this problem is neither at the server nor at the client but is suspected to be somewhere inbetween e.g. some DNS server that has been infected. Do you recognize this ...
46
votes
13answers
7k views

What are the pros and cons of site wide SSL (https)?

What are the pros and cons of encrypting all HTTP traffic for the whole site through SSL, as opposed to SSL on just the login page?
2
votes
4answers
876 views

htaccess hacked

I have a dedicated server. A few minutes ago I realized that someone has changed the .htaccess file. How can I protect against that kind of attack? Update: I have no code/site live, only a coming ...
5
votes
3answers
3k views

How can I block an IP, if I'm getting many http requests in a second?

If some one tried force burst attack on my website, how can I block them? Ideally, I want to block an IP if I have many http/Apache requests in a second.
0
votes
1answer
61 views

How reliable is virtual hosting?

Web servers such as Apache and nginx support virtual hosting. To the users of websites on a shared server, they will not know that another websites exists on the same server. I have been wondering for ...
-1
votes
1answer
111 views

Location of server affects the speed of page loading? [closed]

i live in a country but i make a website for another country's users. The web hosting company has server in both of the countries. So where should i buy? Does it affects where the server is depending ...
3
votes
1answer
222 views

What steps need to do to identify security hole

I use VPS hosting. Installed CentOS 6 and ZPanel according to this tutorial http://www.zvps.co.uk/zpanelcp/centos-6 Received warning from hosting provider: This URL has been identified as a phishing ...
10
votes
4answers
3k views

Security measures against packet sniffing

I work in a environment where packet sniffing can be easily done . I was worried about my confidential data . Please suggest how is it done and precaution which i can take at client level.
7
votes
5answers
793 views

Securing Debian Apache PHP Server

I have Debian Apache PHP server. I want to secure him after the classic installation process. My usual steps are : List item update all packages remove all unnecessary services like named, portmap, ...
2
votes
1answer
333 views

Expose web service in a secure manner

Requirement I have a web service I need to expose on the DMZ for external communication. The web service communicates directly with a critical database that sits on an internal net. Current ...
0
votes
1answer
79 views

How to track MAC policy violations back to HTTP request?

Suppose there is a web application under public load that runs under a very restrictive MAC (e.g., SELinux, TOMOYO, Grsecurity) policy. Suppose we detect and log a MAC policy violation like a file ...
2
votes
1answer
531 views

TCP syn attack prevention

I am new to implementing information security. However i am trying to harden a windows server.I am using regedit to create parameters like SynAttackProtect,TcpMaxHalfOpen and TcpMaxHalfOpenRetried and ...
-1
votes
1answer
98 views

Free Alternatives in Web-Application Mapping Software [closed]

Im new to hacking, i have reached a chapter in my book "the web applications hackers handbook" where im about to start bypassing client-side and actually attacking different technologies well before ...
1
vote
1answer
584 views

Skype chat history and web browsing history CHECK

In an office work place, can a network admin have access to my Skype chat history and web browsing history without logging in to my pc since all pc's are connected with the same network? i am ...
75
votes
14answers
14k views

Apache Server Hardening

What are some best practices, recommendations, required reading for securing an Apache Server?
0
votes
2answers
289 views

Is it illegal to use Fake User-agents? [closed]

Is it illegal to impersonate user-agents when you are crawling a website? If so, what and how a legal action can be taken against the faking requester? Is this law applies only for crawlers or a user ...
0
votes
1answer
91 views

SSL Auth to proxy using Certificate on Client-side

The question may need to be reworded. The server-side is set up with Squid3 acting as an Authenticating proxy by way of LDAP. I did this for testing purposes to make sure everything was working. I ...
1
vote
1answer
135 views

Security Standards for storing private customer data

A certain government regulation in my country mandates all non-resident donors to provide a copy of their identification (usually, the passport). So, we ask the donors to upload a copy of their ...
0
votes
1answer
171 views

How could `iptables -F` lock me out of the server? [closed]

I was just configuring IPtables and whilst doing so, had the default chain policies set to ACCEPT, but when happy with the generated rules I changed that to DROP for all chains. I did not run ...
3
votes
3answers
642 views

What risks are involved in exposing our home computers over the public internet?

I'm currently running a webserver from home accessible on the public internet via a static IP. Exactly what kind of risk is there in doing so? From what I understand, the setup will not allow ...