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

learn more… | top users | synonyms

0
votes
0answers
19 views

Webserver Stress Tool [on hold]

Can you recommend me a stress tool for my web server? I'm running debian 7 with webmin (VPS), currently i'm using apache,mysql,ssh,fail2ban. I also have scanned my server with nessus and LSAT without ...
-1
votes
1answer
51 views

How to test if my server is secure? [on hold]

I'm using a debian7 VPS for hosting my websites. I have only installed webmin, apache, mysql, SSH and a wordpress website. I always update my packages and wordpress version. What is the best (free) ...
0
votes
1answer
23 views

Are DLLs in URLs executed on users local machine or on the remove machine?

In this question I am referring to DLLs listed in URLs such as this one: http://survey1.sendyouropinions.com/mrIWeb/mrIWeb.dll When this kind of URL is navigated to, is the code in the DLL executed ...
-4
votes
0answers
18 views

Server side script to check if browser is vulnarable to SSLv3 Poodle [migrated]

I want to implement a browser SSLv3 Poodle vulnerability test like https://zmap.io/sslv3/sslv3test.html on my web application. My idea is to put a routine in the application first page to tell to my ...
0
votes
1answer
27 views

Sharing sensitive information across servers on visits from the same browser

I have this scenario: Webserver domain A. Generates sensitive information when a request from a browser is received but this information is not disclosed to the browser. Webserver domain B. ...
1
vote
1answer
160 views

Securing a VPS network with a VPN and a DMZ

I've got several VPS boxes (Digital Ocean boxes w/Ubuntu) that I would like to lock down from the outside world. I want to have several private boxes (web servers, db servers, puppet/master boxes ...
2
votes
1answer
224 views

Hardening SSL/TLS on Azure Cloud Service for A+ on Qualys SSL Labs?

We're using this powershell script as our Azure Cloud Service (PaaS) startup script and we're at an A- on the Qualys SSL Labs test Specifically we're losing points for the following reasons: Forward ...
0
votes
1answer
51 views

“Transferring” SSL certificate to another person [on hold]

Last year, I did a lot of work on a site as a freelancer. We wanted to put the whole thing behind HTTPS, so, for reasons I can't recall but probably expediency-related, I purchased a cert for it under ...
12
votes
3answers
656 views

Custom socket server on the internet running as root

We are writing a custom socket server which runs on a high port. Until recently, it has been running behind a corporate firewall. Now, it has been decided that the server should be taken outside the ...
0
votes
1answer
57 views

HttpOnly at logout page [on hold]

Firstly, my website can't be accessed without a session established. After a session is established then the server would set cookies. However, if i assess the website without a session, my site will ...
1
vote
0answers
81 views

Consequences of disabling SSL2 and SSL3 on our webserver [migrated]

Our system is quite old and as a result gets an F grade for SSL from Qualsys SSL because the server supports SSL2 and SSl3. We have now identified all the browsers people are using. The oldest is ...
6
votes
1answer
73 views

Secure HTTP headers

In this article, the example shows ... HttpOnly;Secure However, a check on my server response show ... Secure;HttpOnly This may be a stupid question but, does the order matter? thanks
1
vote
1answer
37 views

Running webserver with SSL enabled but not used

We have a web server hosted by a third party running on port 80. They have also enabled SSL but we did not use it. We are just using port 80. Right now, when I do a vulnerability scan, some SSL ...
2
votes
1answer
84 views

wordpress server visitor log contains a script, what's the risk?

I see this in my WP statistics: Is it safe to click on the link? Under what conditions will the script be triggered?
2
votes
2answers
59 views

Using a special user to manage web server? [closed]

I just rented a VPS, in order to run a web server. I installed LAMP utilities and everything work. I have actually only 1 user (root). This means everytime I want to connect to my server to modify ...
2
votes
1answer
28 views

Where to start , secure an AWS Ubuntu 14.04 [closed]

Ok so this is probably a basic question but I would like to expand my knowledge. I have created an AWS Ubuntu EC2 server. I am running software on the server that provides 2 services , firstly a ...
50
votes
4answers
37k 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 ...
0
votes
1answer
41 views

System backup in case of attack?

My system will be running for a well known insurance company within the UK, it will hold and process a lot of information for claims, brakdowns etc etc. I am worried that the company and the site as ...
1
vote
2answers
88 views

Securing user supplied files in IIS

I have an Internet website running on IIS/Windows configured as follows: The website is publicly accessible for visitors to browse. A user can login and upload files. The user will be able to see ...
7
votes
2answers
3k views

Is server hardening with GRSecurity really necessary on the CentOS 6.3 environment?

I consider myself to be reasonably good with IT, however I am relatively fresh at server and system administration. I am a web developer for my company and I have been charged with setting up and ...
83
votes
15answers
19k views

Apache Server Hardening

What are some best practices, recommendations, required reading for securing an Apache Server?
1
vote
2answers
51 views

Is it worth it to install the same web application on different kind of web servers in a vulnerability assessment?

When doing a web vulnerability assessment with tools such as Acunetix and w3af, is it worth it to install the same web application on multiple types of web servers (Apache, IIS, etc.)? If differences ...
2
votes
1answer
46 views

How to find out if content on my XAMPP server has been altered

During the development of a site, me and the team decided to develop the site with my computer as a server, with me making my localhost available from outside. I have been using several settings to ...
0
votes
1answer
51 views

Security issues for host system when running a home web server on a VM

I want to run a web server at home(really for the fun and learning of web/network and other security best practices), running a web app that i plan to write with ruby on rails and be able to access it ...
-1
votes
0answers
59 views

Safely release my ownCloud to the Web?

I have a running ownCloud installation in my LAN. I want to make it accessible from the internet. I am not an expert in security questions. What would be a good way to put my ownCloud online? ...
2
votes
1answer
563 views

Worrying httpd access logs [duplicate]

so after setting up a new server with just ssh (public key only) and a webserver which just serves one index.html I left for the weekend. Logging in on Monday I see this type of thing in my httpd ...
1
vote
1answer
266 views

Is opportunistic encryption support optional for HTTP/2?

I'm a little unclear on the subject of opportunistic encryption of the HTTP:// address scheme in HTTP/2. According to the bug report, it looks like it's kinda optional, and an afterthought: ...
2
votes
1answer
48 views

Secure the config file of a service

I have a service running on a linux box, started with upstart, that runs as user "the_user", it has to read a config file. Having the file owned by root would make things more secure, but would ...
2
votes
1answer
80 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 ...
0
votes
0answers
19 views

What is the most effective way to block IP address in Application Layer? [migrated]

I understand that most Routers/Firewalls are able to block IP tables in the network level. IPtables for instance is quite effective. However, I want an application layer IP block.I have an HAproxy ...
20
votes
4answers
26k views

Strange requests to web server

I have a Linode VPS running Nginx, which currently serves only static content. Once I was looking at the log and noticed some strange requests: XXX.193.171.202 - - [07/Aug/2013:14:04:36 +0400] "GET ...
12
votes
9answers
4k views

Can an old operating system webserver be made secure?

I have an old laptop with far too little RAM to run Linux (including specialty distributions). It can however run Windows 98 just fine, and I'm looking into turning it into a tiny retro webserver. Is ...
0
votes
1answer
65 views

How does a reverse proxy change the security posture of a web server residing in the DMZ? [closed]

How does the reverse proxy change internal and external security posture with a reverse proxy compared to not having a reverse proxy? For example, you have a publicly accessible iis server, what is ...
4
votes
1answer
129 views

Why does my web server receive so many TCP resets from some clients?

I run a web server and log connections that are dropped. Occasionally, I get a burst of TCP RST packets from some of my clients, like this: Feb 11 11:56:29 SRC=1.2.3.4 TTL=57 SPT=38383 DPT=80 ...
2
votes
3answers
142 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 ...
0
votes
2answers
70 views

Preventing ARP spoofing in DMZ

Is there any possible way to implement a defence mechanism in a firewall to be able to prevent ARP spoofing in a DMZ. Our DMZ server consist of two webservers and a database (which should be available ...
0
votes
2answers
62 views

Place database in the DMZ and in the internal network

Is it sufficient to have single database inside the DMZ which the webservers in the DMZ receives their data from. Or if setup with two databases is a better solution, that would be to have a ...
1
vote
1answer
115 views

Cross Domain Javascript security [duplicate]

I used a web vulnerability scanner to scan my web site. It indicates several links with "Cross domain Java script source file inclusion." May I know how would an attacker exploit this type of ...
1
vote
1answer
76 views

How to know an Apache web server mod_cgi module is enabled?

I am currently working on penetration test of a web site that uses an Apache HTTP server. To test a vulnerability which is related to mod_cgi module, I need to know whether this web site uses mod_cgi ...
1
vote
1answer
65 views

What are the traces of a mysql attack on a server when the attacker has full permissions?

I just turned my server off yesterday, after it began to distribute comment spam across the internet, at an astounding rate over 70 "spams"/min, bottom of the line 1/2 gig ram VPS. I'm still trying to ...
28
votes
4answers
4k views

Why am I getting strange HTTP requests for non-existing pages?

I am running a web server and watching what people request. I have been getting frequent traffic like: GET /phph/php/ph.php HTTP/1.1 or GET /mrmr/mrm/mr.php HTTP/1.1 Are these scans? Are the ...
1
vote
3answers
61 views

Is it good practice to let Node/Go/… act as a frontend webserver?

I'm used to writing web stuff in PHP and let Apache or nginx handle the actual HTTP handling and load my code via whatever means (mod_php, fcgi, fpm, ...). I'm under the impression that this is a ...
1
vote
0answers
33 views

Vega Scanner Took Website offline? [closed]

I used the Subgraph Vega scanner to scan a website, I wanted to get any linked social media pages from their site. Anyway soon into the scan the page went offline with a 404. I checked with different ...
1
vote
1answer
37 views

add another layer of protection on top of oauth 2

My Rest API is protected using Oauth2. My main client is a native app. it's working great but there are certain calls to the API that i want to make sure that are performed from my client - meaning ...
10
votes
4answers
1k views

What is Net-Worm.PHP.Mongiko trying to do?

I found several lines of this request in my web server access log: Source IP Dest IP Request Stat User agent 217.172.190.19 ...
1
vote
1answer
65 views

Best practice for https Private Key Generation

I am working with a security person that baffles me a bit with the practices he performs. Besides the issue of this person insisting on bypassing every security measure in place we have got into it ...
4
votes
3answers
148 views

PHP | Security for allowing user uploads

My Sittuation: I am creating a web application with PHP which allows users to scan their files for viruses. It allows the user to upload their files via the html "file" input type or via a URL. I ...
3
votes
1answer
52 views

Is it possible to restrict a client-side certificate (for web auth) valid only for a given site name?

If I have 2 websites, a.example.com and b.example.com. Those sites use TLS and SNI, and require client authentication with certificates created with my own CA. The use case is that some clients have ...
0
votes
0answers
71 views

Securing my API: concept of access tokens

First of all I want to excuse for the bad spelling and grammar. English is not my mother tongue. I have built a JSON communication between a front-end (website) and my Node.js web server. I want to ...
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 ...