Cache is a component that transparently stores data so that future requests for that data can be served faster. The data that is stored within a cache might be values that have been computed earlier or duplicates of original values that are stored elsewhere. If requested data is contained in the ...

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3
votes
1answer
156 views

Why does IE11 refuse to back navigation caching for HTTPS?

On my website, I get this error message in the console: DOM7011: The code on this page disabled back and forward caching. For more information, see: http://go.microsoft.com/fwlink/?LinkID=291337 ...
2
votes
0answers
30 views

Do any specific steps need to be taken into account for the user's browser and browser caching for a HIPAA compliant web application?

I'm currently writing a web application that will need to be HIPAA compliant. It is very JavaScript heavy, and ePHI will be sent over an encrypted connection in the form of JSON. The transmission ...
6
votes
1answer
86 views

HTTP Caching Headers: private vs no-cache

We're currently reviewing our set of "no-cache" security headers. Header set Cache-Control "no-cache, no-store, must-revalidate Header set Pragma "no-cache" Header set Expires 0 Besides the ...
4
votes
1answer
79 views

What kind of attacks can target static resources?

Static resources and their caching interests me from the security perspective. Let's say we have an .jpg file requisted from the origin -> going through a reverse proxy with caching -> reaching the ...
1
vote
2answers
89 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 ...
15
votes
1answer
343 views

Is there any evidence misusing the HTTP Pragma header in responses has any (unique) effect?

I've been investigating the Pragma header, since there are already two other cache-busting HTTP response headers (Cache-Control & Expires), and I was interested in which browsers use(d) the old ...
2
votes
0answers
88 views

How to get directly to text versions of Google cached pages [closed]

http://navigators.com/cached.html According to the bottom of that site, it seems the easiest way to view websites without giving them your IP is: "Edit the heck out" of google URLs like this: ...
2
votes
1answer
109 views

Does visiting cached pages disclose my IP address to site admin? [closed]

I know it discloses my IP to Google, but is my IP also disclosed to the owner of the site of which Google made cached pages that I'm looking at? And how about anything I do within the cached page - ...
3
votes
1answer
52 views

Understanding how openx cache was infected

I have a system that uses openx for serving banners. I have recently noticed that several cache file in /var/cache contain infected code. The code contains sql queries that create several php files in ...
1
vote
1answer
132 views

What's the typical approach to caching invalid authentication attempts?

Clients (actually software pieces developed by some random dudes all over the Internet) are authenticating on a web server using "basic" authentication scheme and to do so they are passing the ...
1
vote
1answer
203 views

Is this a security breach?

I read in an article that if the request is authenticated or secure (i.e., HTTPS), it won’t be cached. But in https, burp has reported an issue stating http response is as follows: Cache-Control: ...
4
votes
3answers
1k views

Should login pages be cacheable?

I'm considering the relative benefits/disadvantages of making a login page cacheable. Note that here I'm referring to the page containing the form into which the user enters their username and ...
2
votes
1answer
521 views

Caching Behaviour on major browsers

Before I even ask the question - this is a hard question to frame, so I welcome edits to improve clarity. How do major browsers decide how to cache responses, especially if said responses are ...
1
vote
2answers
110 views

PHP Handlers and Caching

I recently began configuring our production server for a new Drupal site. Up till now, I've always used the default PHP handler mod_php, and removed write privileges for any directory/file except ...
3
votes
1answer
144 views

Optimise user data fetch using S3

I'm writing a mobile app that communicates with my server using REST. Upon every launch, the app makes a call to the server api to check whether there was a change in the user details (using a ...
1
vote
1answer
489 views

Expiring Decryption Key

So, I'm just a programmer -- I don't know much about cryptography so bare with me and my lack of knowledge in this realm. But essentially, I'm wanting to cache data that could be potentially volatile ...
4
votes
3answers
2k views

What should I do if I type my password in the address bar, or type password in google search?

When someone accidentally types his or her password in one of the following three locations and presses enter, what should they do? username text box address bar Google search What do you suggest, ...
0
votes
1answer
240 views

Malicious PHP code can run in cache. Solution?

I have a module that I cache some details (w/c is from the input of the user) to lessen the load of my database The way how I cache is by creating html page with the details of the user using ...