0
votes
1answer
42 views

Why is the HTTP Server header not used by most servers, but the User agent used by most browsers? [on hold]

I've read that the Server header would disclose information, and that its use would be bad. The arguments made in that question also apply for the User agent header. So why is it still used, and not a ...
3
votes
1answer
48 views

How long do HTML password fields (sent to the server as postdata) remain in memory?

In any major server-side web framework, there is usually a mechanism to read HTML form input, e.g. in ASP, for an HTML element, <input type="text" name="the_field" />, it is ...
17
votes
2answers
1k views

Should I disable http HEAD requests?

I have seen increased 'HEAD' requests in my webserver access.log. What are these requests for? Should I disable this method in my webserver configs?
8
votes
1answer
152 views

How to force “expensive calculation” when clients connect to my server?

Page 183 of Secrets & Lies on countering denial-of-service attacks: Some researchers have proposed defenses that force the client to perform an expensive calculation to make a connection. ...
0
votes
1answer
172 views

Can closing port 80 lead to more security?

If a website is running on HTTPS only, is it reasonable to close port 80 of the web server and only leave port 443 open? Does this action provide more security for the website?
4
votes
1answer
158 views

Increased HEAD traffic to my website

In the last few weeks I have been getting an increased HEAD traffic to my website of the form HEAD / HTTP/1.0" 200 0 "-" "-" This just returns the details of my web server, right? The IPs are from ...
2
votes
3answers
148 views

Website Authenticity/Verification without SSL

Are there any other ways of verifying the web server you're visiting is actually the correct one? For example, if a domain name's DNS was hypothetically hijacked, and users were directed to a phishing ...
0
votes
1answer
89 views

Is there any reason to allow Python fetches of my Web server's pages?

I keep seeing "python-requests/1.1.0 CPython/2.7.4 Linux/3.8.0-19-generic" requests e.g. from Amazon's servers of my website. It's kind of creepy. Who would set up an Amazon server to scan websites? ...
2
votes
2answers
2k views

How secure is using a blank index.html / index.php? [duplicate]

When you put a blank index.html into a given directory on a web server, web browsers will not display a file listing for that directory. But is it secure enough for other purposes other than ...
5
votes
3answers
4k views

How can I block an IP, if I'm getting many http requests in a second?

If some one tried force burst attack on my website, how can I block them? Ideally, I want to block an IP if I have many http/Apache requests in a second.
2
votes
3answers
2k views

Is it possible to list folder from my web server if i have an empty index.html in the root folder?

I have a small mongoose web server installed on my machine. I have a empty index.html in the root directory. I want to be able to share link with people i know, by creating a folder that look like ...
7
votes
2answers
201 views

Can other customers on shared hosting see requests from/to my site?

I installed a wiki on my shared webhosting (using Apache) account. This wiki is set to private (no read/edit/create rights for unauthorized users) and I'm the only one with an account. The wiki ...
1
vote
3answers
2k views

Using Netcat to detect the webserver type

In order to know which server a site is running I can use netcat. Through the following command I can gather information about the type of server installed. netcat -vv www.example.com 80 But if ...
2
votes
2answers
1k views

Is it harmful to allow http requests with very long querystrings in IIS?

I am developing a website with a search feature that could generate HTTP requests that are very long (up to 15,000) characters. However, IIS has a default limit of 2048 characters for querystrings. ...
3
votes
3answers
454 views

What is the actual security of this login page?

Please visit https://devforums.apple.com If I visit this site using my Safari 6 web browser, this page does not show the normal security indicator that secure sites normally show. Does this ...
7
votes
5answers
7k views

Benefits of identifying clients based upon the “X-Forwarded-For” or similar HTTP header in addition to Client IP

The X-Forwarded-For header is used by some HTTP proxies to identify the IP address of the client. The wiki page (linked above) mentions that ISPs may use this header as well. In addition there are a ...
7
votes
1answer
513 views

Inconsistencies found in OpenID Provider's HTTP Headers. Which one is the most secure that I should imitate in my STS, and Relying Party?

I'm comparing the HTTP headers of the various providers (LiveID, Google, Yahoo, etc) and notice a broad inconsistency in implementation on the sign in page, sign out page, and subsequent pages. ...
16
votes
1answer
2k views

Does the practice of blocking an off-site “Referer:” HTTP requests improve website security?

Is there any benefit for a security-paranoid website to disallow HTTP requests that have a Referer: from 3rd party sites? The pitch is that if such a HTTP request were to come in, then certain XSS ...
9
votes
2answers
3k views

Are there any statistics about webservers and browsers TLS support?

From Hackers break SSL encryption used by millions of sites: The vulnerability resides in versions 1.0 and earlier of TLS, or transport layer security, the successor to the secure sockets layer ...
8
votes
5answers
5k views

Can I block based on Mac Address?

Incase of dynamic IP's the hacker can work around by taking a new IP or use a Proxy, is it possible to make a ban based on Mac Address ? I want to block at the Webserver level so that unwanted users ...