Questions tagged [security]

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

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2answers
5k 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
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1answer
37 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
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2answers
70 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 ...
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3answers
425 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
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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 ...
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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
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3answers
124 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
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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
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0answers
471 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
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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
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1answer
162 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 ...
2
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1answer
78 views

Suspicious script loads ONLY when navigating to site via search engines

I cannot find anywhere on our site where this code is referenced. More importantly it does not appear when navigating directly to our URL, it only appears when coming from a search engine (including ...
5
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1answer
857 views

Google's point of view to SSL - Do I need to force HTTPS protocol for all pages on website

Well now that google clearly declared that SSL would positively affect seo I want to know in which of the following conditions I fully benfit from ssl: 1.If I server https connection for all pages of ...
2
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1answer
309 views

How to setup an implicit FTPS encryption on cPanel server?

Currently my server is configured to use TLS encryption for FTP. It is explicit since it uses FTPES and on port 21. How can I switch to implicit FTPS that works on port 990? I'm using Pure_FTPd. I ...
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0answers
24 views

Secure Badges on Site? [duplicate]

I have a new client whose site I will be re-building. I noticed on his site he has a badge from McAfee saying the site is secure. Below is an example: I have seen similar type badges by other ...
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0answers
47 views

Security and Apache Methods

I occasionally get annoying POST requests but one lately caused a 500 error. Not a biggie really, but it got me thinking. My site does not have but one form. Outside of this, POST should not exist ...
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0answers
14 views

WordPress site hacked, recovered but Google still has hacked page description [duplicate]

My website got hacked recently and recovered it. It was populating casino ads on my website. There were virtually made URLs where casino pages were displayed. I suspected the code came through a ...
0
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1answer
150 views

Site speed when using ddos protection by cloudflare

I've recently noticed an increase of sites using ddos protection by cloudflare and wondering the effects on both user experience and SEO. I've notice these redirect messages last from anywhere from 2 ...
2
votes
1answer
512 views

Malicious copy of site

After seeing an increase of shady organic keyword results appearing in Google Analytics we identified the referring Hostname. After adding the exit page to hostname we discovered someone cloned our ...
3
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1answer
74 views

White labelling with frames and IE

I have a SaaS application that offers some basic white-labelling functionality related to CSS, company logos etc. However, one client now wants to white-label the application with their own URL so ...
1
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1answer
2k views

What might happen if I use FTP client without TLS?

For some reason connecting to server using FTP client (eg. filezilla) is not working with TLS encryption enabled. I had to disable it to use FTP. So wondering why is TLS needed in the first place and ...
2
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0answers
109 views

mod_ident not to be trusted? [closed]

I'm looking at Apache's mod_ident: http://httpd.apache.org/docs/2.2/mod/mod_ident.html However, on this page it has the following disclaimer: The information should not be trusted in any way except ...
3
votes
1answer
154 views

How can I figure out how a search engine is finding hidden pages?

We have a system hosting many websites for our customers, and inside that system there is a method that non-live customers can view their sites before we turn them on. Say the link is something like ...
1
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1answer
163 views

Can hiding site content until JavaScript determines that the site is not framed cause lower Google rankings?

This is the javacript code that I use to prevent clickjacking in my current project. <style id="antiClickjack">body{display:none !important;}</style> <script type="text/javascript">...
3
votes
1answer
289 views

Unknown subdomains pointing to my domain name

About 6 months ago I purchased the domain name example.net. Today I was trying to go to my control panel at example.net/cpanel but accidentally went to cpanel.example.net. I found a completely ...
1
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1answer
22 views

Security issues around giving directory link

I have a directory under my public directory that I use for file transfer purposes. I put songs I'm working on here and then send the link to other band members, etc. It's the simplest way I've found ...
3
votes
1answer
486 views

How do I get Windows Server 2012 to prompt me for credentials when I go to a restricted subfolder of my site?

The "Users" group has read access to my entire website so the public can browse my site. Now, I have created an "admin" subfolder which I do not want the public to have access to. So in the ...
3
votes
1answer
124 views

How do I grant security to my site users to be able to upload files in Windows Server 2012

Using Windows Server 2012 and IIS 8, I want my site users to be able to upload pictures and generate eft files and export files etc. All of these tasks require my users to have write permission to ...
0
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1answer
55 views

SSL issue with firefox

My website is hosted on hostgator and i have purchased their ssl service. Now when i open my website in chrome then it works fine but when i open it in firefox it gives me error like The ...
0
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1answer
47 views

Securing Linux Servers [closed]

I recently started hosting business and have several cPanel VPS and Dedicated Servers. Recently one of my cPanel Server root password was hacked and got back control after lots of trouble. Can any ...
2
votes
2answers
162 views

Incorrect Referring URLs - What can be the cause?

I am running a website with affiliate links . When the visitors of mydomain.com/page.php click on such an affiliate link, they are being sent to a link on a domain owned by the affilate network (...
0
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3answers
137 views

Does uploading index.php protect the other files that would normally be visible in that directory?

PHP is a mystery for me. In the FTP main directory of my website, I uploaded 2 files: a.txt and b.txt. If I enter my website address in my browser I can view both a.txt and b.txt. However when I ...
1
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1answer
64 views

Is it safe to let anyone add my site in Google Webmaster Tools?

Google Webmaster Tools allows people to verify site ownership through an existence of a special file. What if I were to create a catch-all rule, and let anyone add my site in their Google Webmaster ...
3
votes
2answers
2k views

Website is being targeted by mail bots

have a small website. When I perform a netstat is shows a lot of traffic from .p.mail. I think this is some kind of mail bot, trying to harvest email addresses from my website. How can I prevent this?...
4
votes
2answers
131 views

URL hijacked for spam [closed]

I'm the Webmaster and administrator for a site, built on Drupal 7. I've updated Drupal to the latest version. My issue is that it seems as if someone or somebot is using our url. Has my legitimate ...
0
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1answer
34 views

What changes are coming that would reduce the problems assosciated with HTTPS compared to HTTP? [closed]

I have a web site under development. It is used for surveys but there's an advertising component. As it is very new I have used almost all the latest technologies. AngularJS, ASP.NET WebAPI 2 etc. ...
6
votes
1answer
568 views

What's the point of cross-origin resource sharing if there's a bunch of CORS proxies running?

I never really liked the direction CORS (cross-origin resource sharing) is taking. I think there's a misconception how client-server communication should work. The general concept is: User: Hello ...
0
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2answers
72 views

Do I need any special permission to have a form that requests a credit card number? Just request, not storing in a database

I'm using PayPal REST API to make calls using credit card numbers. So I have a form that requests credit card number to the users of the site. I could sell or use those credit card numbers that people ...
1
vote
2answers
712 views

What are spiders trying to achieve on my site by fetching lots of non-existant urls such as various versions of phpMyAdmin?

I've recently set up a build server that compiles Java source on Github webhooks. I created a public page for downloading latest .jars with a top level domain and I'm logging requests to it. What are ...
1
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2answers
310 views

Private folders which are not indexable

I have a requirement where I need to distribute about 400 copies of a pdf document (about 6 MB) and .pub files, that are personalized for each user. Every user must have access to only his/her set of ...
5
votes
1answer
1k views

How can I protect my PHP source code from a client when installed on a client's server?

I have done a PHP web application and my client request to host it at their server. How can I protect my PHP code so that it will not be viewed, study, or take it for any other usage by my client?
3
votes
1answer
677 views

Why do some Nginx configurations block download agents using Wget?

I noticed that some Nginx configurations block download agents using Wget like this: if ($http_user_agent ~* LWP::Simple|wget) { return 403; } Why block Wget? If I use the above code in my Nginx ...
2
votes
2answers
1k views

How can I prevent Facebook from considering Google drive links unsafe on my website?

On my small website I've recently began using Google Drive as content delivery network. This is to solve resource usage issues with my provider. This worked well, but I'm confused because Facebook ...
1
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2answers
504 views

Is there any risk to a network if it allows FTP access to third party websites? [closed]

I was not able to FTP access to my website on my college's network. (The college has a cyberoam-firewalled newtork). It would fail at point when directory listing would show up othewise. I later ...
9
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4answers
3k views

Do I need a wildcard SSL certificate for inclusion in the HSTS preload list?

I'd like to submit my personal site into the Chrome HSTS preload list. The site there says: In order to be included on the HSTS preload list, your site must: Have a valid certificate. ...
2
votes
0answers
22 views

Monitor and alert when events have ended [closed]

So I work for a private school, and we have only three I.T. Techs that take care of the entire campus/buildings, as well as the security systems and website. After trying to search google, I haven't ...
1
vote
1answer
115 views

Apache block all requests but my IP using the config file

I'm looking to upload the website that I've developed locally to my remote web server. However, so that I can test that the upload has gone fine and that all the basic security is in place, I want to ...
1
vote
1answer
295 views

Restrict Plesk user for external developer access

We are commissioning an external developer to develop part of our site and he will also need access to a MySQL database attached to the domain but I can't figure out how to create a user that has the ...
1
vote
1answer
96 views

How to set permissions for DooPHP?

I have downloaded and installed DooPHP according the Installation instructions. However, there is no statement on how to set permissions. Also not in INSTALL.TXT which comes with the product. The ...
0
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1answer
104 views

Can anyone buy my registered domain?

Is it possible for anyone to buy a domain that I have already registered? I registered a domain through Moniker and it has not expired yet. But it is displaying available through who.is I can not ...