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

learn more… | top users | synonyms

2
votes
1answer
99 views

Best practice in securing a web server and an offsite worker

Suppose I'm hosting a web server and a separate box offsite that crunches data. The web server interacts with the worker using the worker's API over port 2888. What would be the design of a secure ...
2
votes
1answer
209 views

What security does nginx provide between server blocks?

What security does nginx provide between server blocks? Here is an example scenario. Say I have two server blocks configured with nginx. Each serves up a web application to authenticated users. I ...
2
votes
2answers
2k views

Was I a victim of an “Apache PHP Remote Exploit” attack?

I have a server in my computer for testing purposes, accessible from the outside. I was reviewing the access.log file, and I saw 89.187.33.50 - - [29/Mar/2014:03:39:01 +0100] "HEAD / HTTP/1.0" 200 - ...
2
votes
2answers
485 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 ...
2
votes
1answer
241 views

Where's the virus in this web site?

I made my friend go to this web site and it immediately infected his machine with malware (AntiVirus SecurityPro). It happened just by going to the front page. It seemed the malware started up, but ...
2
votes
1answer
81 views

Server Detection Vectors

I have a web server, and I would like to anonymise it as much as possible, to prevent unreported exploits directed at my web server (original cracks). My ideas: change server header customize 404 ...
2
votes
2answers
2k views

Is it harmful to allow http requests with very long querystrings in IIS?

I am developing a website with a search feature that could generate HTTP requests that are very long (up to 15,000) characters. However, IIS has a default limit of 2048 characters for querystrings. ...
2
votes
4answers
74 views

Find the destination script of an inbound TCP connection on our shared webserver

We have a shared webserver which is being monitored constantly by our ZABBIX agent. On some hours of day we have unusual TCP traffic on port 80. Lets say we have over 400 connections from IP address ...
2
votes
1answer
79 views

securing /var/www with .htaccess

So I have a web directory running on a server and I want only people with the password to be able to get in. Is it possible to secure the web root with .htaccess? Is there any extra steps I need to ...
2
votes
1answer
755 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
1k 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 ...
2
votes
2answers
483 views

A security checklist for choosing an internet hosting service provider for a virtual private server?

I am in the process of choosing an internet hosting service provider for my website. Besides looking at the reputation of the hosting provider through internet forums, is there a more concrete way of ...
2
votes
1answer
419 views

What threats does a stateless web application have? (as opposed to a “state-full” sessions)

I'm comparing the pros and cons between having an authenticated "stateless" ASP.NET MVC session versus a ASP.NET Forms application with viewstate. Assuming that there is a webfarm of more than 1 web ...
2
votes
1answer
2k views

Can the following .htaccess rules prevent this attack?

See these related questions from the same user about the same incident first: How to find and protect against the exploited vulnerability in an PHP application based on the logged URL? ...
2
votes
3answers
135 views

Is it okay to only use username/password to secure an admin page for moderating a website?

Is there a standard practice to securing an admin page for an application written in angular and nodejs or just in general? The admin page would approve/ban users and moderate comments. Should it be ...
2
votes
1answer
75 views

Whitelist for HTTP request

Malicious request can come in the form of user agent string, referrer or cookie. To prevent being pawned by zero day attacks such as Shellshock, I have created a whitelist of characters for user agent ...
2
votes
1answer
37 views

Website Implementing https site w/ self signed certs and CA

Q: How best to handle the issue of security warnings for a website using certificates from its own CA (ie, selfsigned)? I am some what torn on how to do this - I have a number of implementaiton ...
2
votes
1answer
45 views

Spoofing of Server Sent Events

In the spec for Server Sent Events, it says Authors should check the origin attribute to ensure that messages are only accepted from domains that they expect to receive messages from. Otherwise, ...
2
votes
1answer
77 views

Redeploying multiple Secure sites on a single server

This may not be a great site for this question. I basically have approximately 10 VPS instances running a secured website each, each with their own SSH connection to a hosted Database. What I'm ...
2
votes
1answer
190 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 ...
2
votes
2answers
628 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 ...
2
votes
1answer
2k 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 ...
2
votes
1answer
986 views

How to find the pharmacy hack in a Joomla website?

We've discovered today that our Joomla website has been hacked by a pharmacy trojan. It was difficult to discover because most users don't see it when visiting our website. One user reported about 2 ...
2
votes
1answer
275 views

Possible to detect and log CORS and preflight requests in IIS?

I'd like to track and understand if CORS/cross site requests are hitting my website, and if they are succeeding or failing. My goal is to understand if clients are following our documentation ...
2
votes
2answers
57 views

What are the security implications of STARTING a reverse proxied origin server as an unprivileged user?

A common recommendation as part of web server security is to run the server daemon as an unprivileged user (e.g.: nobody) so that exploits executing arbitrary code may have less unwanted effects. ...
2
votes
1answer
394 views

How to do security configuration for ibm http server?

We are using IBM HTTP Server Version 7.0 Need help related to Cross Site Scripting Prevention in IBM http server. Cross Site Scripting Prevention in Sun Java System Web Server 7.0 mentioned in ...
2
votes
1answer
1k views

How to secure or (Ensuring Integrity) of Web Data in transit and in store?

Consider (usual scenario) You own a Shopping Cart Website and hosted on Internet, now, your hosting company provides you database to store your data. If talking about security, we need it for: ...
2
votes
1answer
97 views

Quick Security Mitigations to Impending attacks

Suppose you are the sysadmin, and you know of an impending attack that just started or about to start soon. You can either wait it out, or try a few tricks and quick mitigation to fend off attackers ...
2
votes
1answer
721 views

What attacks use enabled Apache's PATH_INFO?

In Tangled Web Michal Zalewski says: If you are not using path-based parameter passing (such as PATH_INFO), consider disabling this feature. He gave only one example of this vulnerability. There ...
2
votes
1answer
3k views

Something causing Sonicwall to throw Smurf Amplification Attack Warning?

I set up a new laptop recently and, after installing various developer tools, it started causing our Sonicwall firewalls to issue an alert email whenever the laptop connected to the network. The ...
2
votes
1answer
364 views

How does IE's Privacy options affect javascript's ability to save cookies?

I'm looking at IE's privacy options screen and am trying to figure out how it breaks javascript, workarounds to that, and how I can gracefully degrade my user experience. Is there a guide that ...
2
votes
1answer
353 views

Security reason why one should upgrade old web server to modern Java EE Web Application Server

Currently the company I work for uses Sun Java System Web Server 6.1 SP9 and Java 1.4.2. I know this version of Java reached its EOSL around 2008. The Sun Server still seems to be supported but it's ...
2
votes
0answers
59 views

Securing elasticsearch behind a reverse proxy

I intend to run an Elasticsearch index to store a persistent copy of data retrieved from an external service. My plan is to host the Elasticsearch index on AWS, and have it listen on 127.0.0.1 only. I ...
2
votes
2answers
671 views

How to display friendly notification about no TLS 1.0 support in browser [closed]

A browser that only has SSL 1.0 support won't be able to establish an HTTPS session with a server that has only TLS 1.1 and TLS 1.2 support. This typically results in a cryptic (to a normal user) ...
1
vote
4answers
2k views

Prevent Users from Downloading Javascript, Images

A lot of times I see that resource XXXXX.gif or XXXXX.js can't be saved when I try to save a webpage in Firefox. So this made me think, can I implement a similar thing for my website as well? ...
1
vote
3answers
535 views

Danger of Path Traversal Attacks

I have setup a test application in Linux. I havent checked for paths in it, so if user enter /etc/passwd , then that file gets displayed to him. However, I want to understand what more can be done if ...
1
vote
2answers
506 views

Create a SSL certificate and sign it with a personal certificate which in turn is signed by a certificate authority [duplicate]

I have a personal certificate which is signed by a certificate authority. This certificate is unrestricted with respect to its allowed purposes. Is it possible to create a SSL server certificate on my ...
1
vote
2answers
1k views

Protecting an IIS web site hosted at home

My case is I just registered at dyndns.com to get a domain for a website I am staging on my home computer (I know it's not considered good to do so). But the website is not big, and I don't expect to ...
1
vote
2answers
891 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
3answers
456 views

Is this approach of securing cookie secure?

I could not find writeups about secure cookies so I have done some thinking. (I already have a "secure" password database with bcrypt and salt) Steps: User logs in Save user IP + randomstring in ...
1
vote
5answers
314 views

Is there something similar to DNSBL's for protecting against forceful browsing?

I want to protect a couple of Apache webservers against forceful browsing. Lately there have been multiple scans querying for non-existent applications on them like phpMyAdmin, notably known for their ...
1
vote
4answers
214 views

untangle server at work place privacy

When I am browsing in an environment where Untangle server is installed, can the network admin track everything I do? for example: Skype chat messages Personal emails (Gmail, Yahoo)
1
vote
3answers
5k views

Building a secure server with CentOs [duplicate]

Possible Duplicate: Hardening Linux Server I recently started to manage my own server with a cloud-based server. Recently I got hacked somehow and the server was used for phising. On the ...
1
vote
4answers
91 views

employing SSL even on non critical web server [duplicate]

I know that SSL should be used on web servers that need to gather credit card information etc..however, is it industry best practice to also turn on SSL even for non critical web servers? eg those ...
1
vote
1answer
148 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
3answers
558 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 ...
1
vote
2answers
3k views

Questionable request to /user/soapCaller.bs

My webserver logs revealed a request to /user/soapCaller.bs from 220.226.188.32, which maps to Mumbai, India. The HTTP user agent is called 'Morpheus * Scanner'. My server returned a 404 error. ...
1
vote
3answers
83 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
3answers
474 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 ...
1
vote
4answers
358 views

Should i use SSL for local access?

I have a web service which can be accessed only from websites hosted on the same server (i use 127.0.0.1 ip). Should i use SSL for the communications between the sites and the service, or would that ...