Questions tagged [security]

Preventing a system from unauthorized access, modification, disruption, or destruction.

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2
votes
1answer
155 views

Cannot get Content-Security-Policy to work

I'm trying to implement CSP, but cannot make the script-src work correctly. I strongly want to avoid unsafe-inline, but all attempts to circumvent this by using sha256 hashes seem to fail. This is ...
2
votes
1answer
29 views

How to find the folder in a host server with its name starts with a “~”?

For example: http://my-domain/~service In this case, I couldn't find a "~service" folder or file in the server but the url does work, which is very weird.
0
votes
1answer
13 views

how do you handle input sanitization on forms? [closed]

how do you handle input sanitization on forms? do you use javascrpt or just client?
8
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1answer
163 views

Someone/something accessed a link in an email, but it was not who the email was sent to

Could anyone solve this mystery? We have an web application that is only available to invited users. Our admin create accounts for users, and then the application sends an activation email to that ...
21
votes
5answers
6k views

How can I tell if my website visitors are using LastPass or other password managers?

I want to make sure visitors to my website have the best experience possible so I want them to be able to use LastPass and other Password Managers. Is there any way of identifying whether or not my ...
4
votes
3answers
100 views

When setting up LAMP for testing at a local machine, how do I make sure it's not remote accessible?

I'm setting up a LAMP stack on my local machine for testing. How do I make sure the web server is not remote accessible?
3
votes
2answers
811 views

How can I avoid being hacked? [closed]

I have a website built on Joomla/PHP and it was going well until I found a RewriteCond directive in my .htaccess file to a website with porn content. RewriteEngine On RewriteCond %{HTTP_ACCEPT} "text/...
2
votes
3answers
352 views

Does using the same mail and web server increases risk of DDos due to IP exposure?

I use the same server for sending my emails and web hosting.I send user registration and support forum mails from my server and occasional marketing mails or newsletters. I read on a cloudflare blog ...
3
votes
2answers
1k views

How to Secure Wordpress website using .htaccess , allowing only index.php execution access

I am responsible for security of lots of shared hosting server. We have at least 500 wordpress website in each server. Some of the website owners keep a weak password for WP admin or use vulnerable ...
0
votes
1answer
62 views

How can I find out if my website is being scraped? And how do I stop it? [duplicate]

Is there a way to identify that someone is scraping my website?
10
votes
8answers
1k views

How to find out the strength of the Wordpress (already stored) password?

I am responsible for security of lots of shared hosting server. Most of them are having WordPress websites. Each server is having at least 500 WordPress websites. In my expereince, the issue with ...
1
vote
2answers
71 views

How to list all URLs in the source code files of a website with command line tools?

I have folder that contains the source code files of a website (tons of html, css and php files). I would like to find an automatic method (preferably with command line tools) to scan this folder ...
4
votes
3answers
3k views

How to determine if a user agent string has proper syntax or might be a hacking attempt?

I was checking my server via awstats to see who was visiting my site and I have a user-agent of the following value: }__test|O:21:\ Some research has lead me to believe that someone was trying to ...
3
votes
1answer
24 views

How to monitor a website's networking activity towards 3rd party servers?

I have a Wordpress site with some plug-ins installed. I would like to check if my site tries to access any 3rd party servers in the background. I'm aware of that I can open any php file on my server ...
5
votes
2answers
627 views

What are the benefits of requiring HTTPS between AWS CloudFront and the origin server?

I am hosting a website on Amazon CloudFront and we've recently updated the distribution to require HTTPS between CloudFront and viewers. With the introduction of AWS Certificate Manager and the ...
7
votes
5answers
1k views

Are indexed Wordpress admin pages a security threat?

Because it was blocking Googlebot from accessing important files, I recently updated our /robots.txt file and removed most of it, including wp-admin. Now, the people on charge of hosting and SEO ...
5
votes
3answers
1k views

How to detect if file with a .png extension contains code or an image?

I was in a trouble last few days since my web host was hacked for POST on PHP files. I've been dealing with files with .png extension that have PHP code inside. I can't even try to edit one-by-one to ...
0
votes
1answer
60 views

Malicious links to our site on Google's SERP redirecting to shady pages

Our website is being attacked in a curious way: on the Search Results Page, Google is showing links that look as if they were to pages on our site but they direct to some shady viagra-selling sites. ...
1
vote
1answer
45 views

.CA Domain registratrs for DNSSEC

We have a .ca (CIRA) domain that currently uses DNSSEC through the ISC DLV registry service. We are aware that DLV is shutting down by 2017. We have communicated with CIRA respecting .ca registrars ...
4
votes
1answer
205 views

Someone else set up a trial Google Apps account on my domain. How can I get Google to disable it?

I own my domain (say, mydomain.com) and administer it through my hosting provider. A couple of days ago, I started receiving mail from Google Apps addressed to jyotioffsetjsm01@mydomain.com. There's ...
1
vote
1answer
496 views

AWS EBS Tomcat instance being hacked [closed]

I'm using AWS EBS instances with tomcat for my java web application. But somehow some guy manages to hack into my instances and all I can see are these processes being ran by tomcat: tomcat 26988 ...
2
votes
1answer
76 views

Allow third party to use domain subdirectory without risk to your server

If you have a live site on example.com, is it possible to allow third-parties to set up their own site at example.com/project1, example.com/project2 etc without subjecting your server to risk? I ...
2
votes
3answers
752 views

Using .htaccess deny returning 302 and not 403 forbidden

I'm in the process of adding yet another layer of security to some of my WordPress installs, since some of my customers sites use shared hosting, and generally they do not ban users for brute force ...
6
votes
3answers
152 views

Will data be encrypted if an HTTP page POSTs to a HTTPS handler that redirects back to HTTP?

My host gave me a subdomain of their domain that has HTTPS: https://mysite.example.com My own domain name has no SSL installed, so the only way I can take advantage of encryption is by using the ...
14
votes
5answers
26k views

HTTPS connection is “not safe” due to images

I am currently working on a website and I have successfully installed my SSL certificate. The GeoTrust SSL/TLS checker confirmed that the certificate chain (including CA) is properly installed. ...
4
votes
3answers
10k views

Suspicious Web Traffic from Amazon.com ISP

Just a few hours back I was checking my logs when I found a whole bunch of traffic from IP address 54.174.xx.xx and ISP Amazon.com (validated from Google analytics). It lasted for an hour and then ...
2
votes
1answer
142 views

What file permissions should I set before I give website project folder to hosting service?

I am using a CMS called Jekyll to build a website. My understanding of jekyll at this point is that it helps me to generate static web pages by providing me a simple boilerplate for a website and ...
4
votes
1answer
147 views

Are Commercial SSL Certificates (key file, and certificate file) portable when migrating between a new and old Apache2 server?

We have an SSL Certificate that's currently on our Apache2 server for transferring traffic over the https protocol. We are migrating away from this server to at another data center with a different ...
1
vote
0answers
36 views

What is infecting these networks between 10/25/15 and 11/1/15?

Just noticed a fancy new graphical threat dashboard in the Google malware scan systems. There seems to be a cleanup then subsequent spike in infected sites across various [less-than-high-quality] ...
1
vote
2answers
101 views

Is it insecure to make the CPanel username same as domain name?

If I set my cPanel username same as domain name, then everybody already knows my cPanel username. Does it pose security risk?
5
votes
2answers
309 views

WordPress security checklists on cPanel

I'm installing WordPress on a shared cPanel hosting for blogging. I'm planning to install it in a folder under public_html, that is, public_html/myblog. I am using WordPress application installer ...
1
vote
3answers
333 views

Is SiteLock really beneficial in protecting medium sized websites (1k pages)? [closed]

My sites are hosted at a shared server at HostGator who have recently started sneakily pushing their customers to subscribe to SiteLock. I have a few client sites, and a sizable Wordpress site (1k+ ...
4
votes
3answers
73 views

Securing images from browsers and humans

Particular parts of a website I'm working on will have pictures not intended for the general public. It is already behind a password protection and the page has no-index no-follow rules. I'm concerned ...
4
votes
1answer
68 views

Can spambots access pages available to only registered, authenticated users?

I have a web application where users register and are activated via an email sent to the email address they supplied. Then there are pages that are only visible to registered users (non-user access ...
5
votes
1answer
736 views

Unable to locate phishing URL in CPanel file manager

I received an email from Google that there may be phishing pages on my website. Below are example URLs on my site which may be part of a phishing attack: http://www.uooart.com/~impots/file/...
2
votes
1answer
252 views

Why are these Google cloud fuzzers hitting our site? How does attekett_dom_fuzzer work on images?

Noticing today that there is yet another strange visitor hitting our server/site from a Google IP. It came via a path to an old image that was never linked out to my knowledge. This disturbs me ...
1
vote
4answers
75 views

part of a PHP file is missing, did I get hacked?

my website is built by jooml 3.4, today it gets a syntax error message like this: syntax error, unexpected 'if' (T_IF), expecting function (T_FUNCTION) in /public_html/libraries/cms/router/site.php ...
0
votes
1answer
85 views

Does Cloudflare use different authentication mechanisms across platforms?

I'm using Cloudflare flexible SSL for a website I made, and after investigating certificate properties, I realized different authentication mechanisms are being used. Chrome 45 for Windows desktop ...
2
votes
1answer
976 views

Use GPG keys in cPanel?

So, the cPanel web hosting management console has a GnuPG Keys area, which allows you to create or import GPG/PGP keys. However, it doesn't seem that the server actually does anything with them once ...
5
votes
2answers
4k views

Performance: 4096 Bit RSA-Key compared to 2048 bit RSA-Key

Is there a comparison between 4096 Bit RSA-Key and a 2048 Bit RSA-Key? I'd like to know what impact on performance it has, if I'm choosing a 4096-Bit key for ssl-encryption. Is there any info which ...
0
votes
1answer
35 views

Methods to provide user data to web application in URL?

I am aware that one method to provide user data to web application is to use query strings. For example http://www.example.com/get-page.php?home=aaa.html would set variable home value to aaa.html and ...
1
vote
2answers
68 views

Online Marketing company want me to share my Google Account login details? Is this normal practice?

We are a small business and use "Google Apps for Work" and my google apps account was used to set up the business's "Google My Business" and related Google+ pages We have now engaged an online ...
1
vote
3answers
412 views

When a “Bank of America Online Banking” page is available on my WordPress site, is it hacked with a phishing scam?

We just got a note from CloudFlare that we got reported for phishing. The link they provided was (domain name removed): /wp-content/plugins/scure-bank/fea7b6cabec2fd724dd2d1b4ca7e898d/thankyou.php ...
1
vote
1answer
55 views

What kind of attack causes a JavaScript 'out of memory' on the attackers device?

We experienced a strange attack yesterday. Our error log picked up the same 'out of memory' JavaScript error from a single IP address every 10 seconds. The requests came from 6 client ports on the ...
0
votes
3answers
2k views

How to trace origin of script injected in my webpage

I was looking through a static site I created on my local server, in my web browser, and found a curious call to an external script <script src="https://engowe.com/ad.php?u=...
5
votes
3answers
123 views

How do i make it difficult for users to make multiple accounts

I'm creating a website for my business and I want to offer free first deliveries for the first week but I'm afraid people will take advantage of that. I don't take any money or credit card info ...
1
vote
1answer
22 views

Disable ftp://hostname for my website [closed]

I'm hosting a page and I'm having a problem. If I write ftp://myhostname, the browser asks for FTP username and password and I think this may be a security problem because it doesn't happen with other ...
1
vote
0answers
405 views

Possible to leave proc_open() enabled on a shared host?

We are working on a PHP component that requires proc_open() for it to work. Because of this, we have trouble running on common shared hosts because proc_open() together with other functions like exec()...
1
vote
1answer
63 views

Looking for easy-to-maintain and secure directory structure for multipart site

I recently inherited an older custom PHP website that consists of three parts: a public section for all to see, a members section, and an administrator section. The directory section resembles the ...
1
vote
1answer
158 views

In httpd.conf why would you want AddType for phps?

We have an AddType as follows: AddType application/x-httpd-php-source .phps I was wondering what this was, and did some searching. It seems this is barely documented anywhere. Based on a hunch, I ...