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

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1
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2answers
54 views

ssh/scp from server to server — set permissions (no root)

I have access as a regular user (not as root) to two servers. Server A is accessible via ssh with a username and password, Server B can only be accessed using a keycard and pin. I need to set up a ...
5
votes
3answers
386 views

Can I make my online server more secure using Docker?

I had my online web server ransacked, they got in through my hosted WordPress site and privilege escalated from there. I am wondering, if I put the WordPress in a Docker, would that go a decent way ...
19
votes
1answer
3k views

The “.htaccess” file can be downloaded. Why? How to fix?

Maybe a noob question. I've tried searching but maybe my search terms were too specific. I've just conducted a pen test on a client's site. The site allowed me to download .htaccess just by simply ...
0
votes
1answer
95 views

The security of an unique URL parameter [duplicate]

Take for example a simple messaging system. Users can send each other personal messages. When reading a personal message sent to you, the URL would be something like http://www.example.com/messaging....
3
votes
2answers
106 views

Custom http server security concerns

I am using a framework called VERTX to create an HTTP server. This is different from a traditional web server such as APACHE or NGINX. Here I will simply be using JAVA code to create a HTTP server ...
8
votes
1answer
268 views

How do I prevent users from modifying resources they do not own?

I am writing a server where I have an entity StoreOwner that "owns" or has a @OneToMany relationship to a Store entity (one store owner has 1 to N stores). Each Store has Offer and Item, each also ...
0
votes
2answers
2k views

Browsing file/directory structure of a website

I want to know whether can we browse file/directory structure of any website. If yes, then how? If no, why can't we?
1
vote
1answer
2k views

Weird request to NodeJS Webserver

So logging all the requests I get things like this: Mon Sep 07 2015 21:30:04 GMT+0200 (CEST) Received request for http://testp4.pospr.waw.pl/testproxy.php also for http://zc.qq.com/cgi-bin/common/...
1
vote
3answers
253 views

How to Stop DDoS Attacks by simple function on web server?

I have an overview ideas of the preventing ddos attacks, in a simple way. Please clarify me, if my thinking is wrong. Option 1 From the basic understanding of the DDOS attacks is that the attacker ...
0
votes
2answers
203 views

What are the vulnerablities for revealing IP addresses in code

One of my developers left the IP inside his code : The code is as follows : [WebMethod] public string UploadFile(byte[] f, string fileName) { try { MemoryStream ms = new MemoryStream(...
1
vote
2answers
107 views

Public Key Pinning and subdomains

Shortly I have intend to install new webserver and I'd like to secure users a little bit more. I already have domain, (virtual) server and everything else that matters when configuring a server. ...
2
votes
3answers
2k views

AD User vs SQL User for SQL Server Authentication

My company has multiple web applications that we deploy to customer sites. Often the customer has the final say in deployment options in which often it shocks me. Many of these customers are ...
2
votes
3answers
214 views

Where to place PHP files for security?

A simple question, where do you place PHP files on a server? I can't seem to find any good information on this. Obviously public files should be in the document root somewhere/somehow, since they ...
1
vote
3answers
121 views

How to protect from DoS on get method?

Suppose I have a website and I want to make sure that a hacker isn't making my server down by utilising a DDOS attack on my website. I thought of getting IP address and revoking the access, but it ...
2
votes
2answers
83 views

Is it possible to safely watch a specific folder with virus scan on Windows Server?

I have a website that must allow numerous file types to be uploaded, some of which could possibly be dangerous, such as a word document. There's only a single website on this server that allows this. ...
1
vote
2answers
572 views

What is this URL Injection piece of code mean?

I don't know if it's considered or not to include a single piece of code that might be malicious. But recently my site was a victim of some URL injection. I was wondering if anyone can tell me what ...
0
votes
1answer
231 views

Thousands of 404s from various search engines

Since early April of 2015, my web site has been getting thousands of requests from many search engines for URLs that don't exist and never have existed. I found a similar, but less detailed, ...
2
votes
3answers
376 views

Is there a way to steal PHP or ASP code from a web server through the HTTP(S) protocols?

I am working on a web application that would include some custom development and got a bit concerned about code theft. So the question I wanted to ask is whether it is - generally speaking - possible ...
1
vote
3answers
291 views

How to prove ownership of a website?

We all know how banks identify themselves to users. No, not through TLS certificates. The users pay no attention to those. No, I'm talking about branding-- all those fancy logos and stock photos that ...
6
votes
1answer
568 views

Point several HTTPS domains to the same web server

We are currently running a SaaS over HTTPS(abc.net) and one of our clients(xyz.com) wants to do some custom branding. The client xyz.com will have their own subdomain xyz.abc.net which looks like its ...
3
votes
1answer
123 views

Is this an attempted cross-site attack?

I have found various 404 errors in my web server log that look like this: http://mywebsite.com/go.php?http://pastebin.com/raw.php?i=ffdkafkjasd http://mywebsite.com/go?http://pastebin.com/raw.php?i=...
0
votes
1answer
108 views

What to do when one's server is being scanned very agressively

I can see that my application, which is on several virtual instances, is being scanned; I guess the attackers are in "recon mode." What I know: I understand that we can block dirbuster, and other ...
2
votes
1answer
5k views

This site uses a weak security configuration - SHA-1 signatures [duplicate]

One of our users just sent us a screenshot of them browsing our site using Chrome for OS X, version 44.0.2403.130. This came as a surprise because I thought that our certificates were up to date (via ...
8
votes
3answers
1k views

Someone registered a domain name with the IP of my VPS [duplicate]

I rented a VPS server to run my website a few month ago. Today, I looked at the /var/log/apache2/access.log and noticed a strange line : 192.0.2.123 - - [02/Aug/2015:05:21:29 -0400] "GET / HTTP/1.1" ...
1
vote
2answers
118 views

Checksum Calculation for Source Code tar balls downloads

Http sites like OpenSSL provide checksum for each source code tarball available for download HTTPS sites like GitHub usually do not provide checksum with 'download zip' option. Some sites although ...
-2
votes
3answers
92 views

What security problems are there with enabling directory listing on my webserver? [duplicate]

I want to to ensure that every file on my webserver is secured. The problems I am having right now: If you go to my website, and enter a url like mywebsite.com/img/ if there is no index page in ...
1
vote
2answers
87 views

Website Visited by Unresolved Ip

My Website is flooded with unknown visiters Awstats says that my website getting thousands of hits in few seconds. I am using robots.txt and .htaccess, but the problem stays there. Please help me ...
5
votes
2answers
337 views

Detect when I do brute force attack and block the connection

My server (Ubuntu + LAMP) is infected, as I receive security alerts from the sites attacked from my IP. your Server/Customer with the IP: ********** has attacked one of our servers/partners. The ...
8
votes
2answers
5k views

Do these regex show that I was hacked?

What do these regex commands mean? I found them when I ran the history command: grep --include=\*.php -rnw . -e "update.creditcard" grep --include=\*.php -rnw . -e "e41e" grep --include=\*.php -rnw . ...
2
votes
1answer
1k views

Any security risk with raising client_max_body_size nginx?

i was wondering if there is any securitiy risk involved with raising the client_max_body_size in nginx from 1MB to 20GB?
1
vote
5answers
88 views

Does services provided by different companies for DDoS protection work well?

Is it necessary to use any DDoS service provided by different web hosting provider and other people? We know, they are running their business to provide security to thousands of web property. They are ...
12
votes
4answers
4k views

Would making an IIS web server appear to be running Apache instead improve security?

As you can see from the tag, I know that security by obscurity is not true security. So consider a server available to the Internet on port 443 (SSL) of a fixed IP address in the dialup range of a ...
2
votes
0answers
84 views

Personally identifiable information in query parameter for Tomcat REST service

I have a REST API running in a Tomcat container that has an endpoint that takes a customer email address as a query parameter. It's something like this: /customers?email=foo@bar.com Customer email ...
4
votes
1answer
1k views

HTTPonly cookies

I was tasked to perform as scan against a lab and Nessus returned an "Apache HTTP Server httpOnly Cookie Information Disclosure" vulnerability. What I would like to know is what these cookies contain ...
-6
votes
1answer
93 views

Is this an attack [closed]

Original site: ---topbargains-com-au A fake replica: --topbargain-org How dangerous is this? Have they copied the whole database? Edit: Removed the URLs to satisfy a spam allegation Edit: The fake ...
3
votes
1answer
192 views

Different SSL/TLS certificates for subdomains

I have HSTS enabled on several domains that I host/maintain, and I'm using free verified certificates from a provider that only allows encryption of the root and one subdomain on the certificate. They ...
1
vote
1answer
116 views

Receiving random numbers in GET request query string. Exploit?

I recently spun up a web server and have been receiving hits where the client appends a random number, for example "12345" as a query string to the root (/) endpoint. Here's an example log entry: ...
2
votes
1answer
61 views

How to securely install web applications on untrusted hosts?

In principle, storing data securely on an untrusted server seems to be easy. Just use a strong enough client side encryption. But how to deal with web applications? For example a forum software like ...
3
votes
1answer
127 views

Possible issues when one or more cookie not HttpOnly

I have a question related to HttpOnly cookie. Tracking other threads wasn't of much help, hence I am posting my query here to learn if you can foresee any issues with my understanding. There is a ...
1
vote
2answers
188 views

Server compromised with magento vulnerability, possible rootkit

I am experiencing a security issue with one server that it happens that I manage. I will try to cite all relevant facts as briefly as possible. I am asking for any additional information and course of ...
-3
votes
1answer
890 views

insecure HTTP Methods Enabled — how to control? [closed]

Here I am new to insecure HTTP Methods Enabled. The server allows HTTP methods that are considered dangerous. The following methods were enabled: PUT,DELETE Software used: Apache-tomcat-6.0....
4
votes
1answer
165 views

What are the security implications of enabling a SNI-hole on a web server?

A web server (let's say Apache 2.4) implements SNI. It is configured with a 4096 bit SHA384-signed Wildcard Certificate (*.land.org) with a Subject Alternative Name (land.org). The Certificate ...
2
votes
2answers
269 views

Did this ShellShock exploit work?

Looking through my web server logs, I noticed two different ShellShock attacks on my server, both of which generated a HTTP 200 OK response code. They look like this (IP address/date and time redacted)...
1
vote
0answers
74 views

Possible vulnerabilities in private chat application implemented using web broadcasting

I have never used web-sockets but I am working in a PHP framework which has builtin broadcasting facility. This broadcasting use web-sockets technologies named Redis and Pusher. The workflow of this ...
-1
votes
2answers
192 views

webshell on webserver, but what does it contain/do? [closed]

Found this webshell but I can not get the plain text as I have not the secret/password to decode it completely. This is the part where I am missing some information: md5($_POST['_f__f']) Does ...
18
votes
3answers
4k views

Are there any downsides to using Let's Encrypt for a website's SSL certificates?

On the advantages side, I see several benefits to using the Let's Encrypt service (e.g., the service is free, easy to setup, and easy to maintain). I'm wondering what, if any, are the disadvantages to ...
15
votes
5answers
3k views

Are consumer-grade routers any more or less vulnerable? [closed]

I apologize if this is an obvious question, I'm not very familiar with hardware. I am planning on hosting a few personal websites from my home, but I'm concerned about my security. I'm using a fairly ...
4
votes
2answers
187 views

Is using a self signed certificate safer than a free ssl certificate? [duplicate]

I have a personal website/email server, basically for my own self learning use. I am using CACert (http://www.cacert.org/) for my SSL certificate as advised in a tutorial. I have no clue about ...
2
votes
1answer
538 views

Are there any security implications in creating an SSH key for the root user?

I've written an install script on a server to quickly set up new sites in the /srv directory. It needs to do a git clone, and has to be run via sudo in order to have the permissions to do all the ...
2
votes
3answers
432 views

What is risk of having memcache in public interface?

To what extent a hacker can potentially cause harm to a server? Can you please give few examples? Recently, there was a data breach in my website and I found out this interface was public-facing and ...