"The web," or "world-wide web" is a term for the system of hypertext linked documents accessed over the internet, with a web browser. The "www" that comes before most webpages is a reference to the "world-wide web."

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31
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1answer
5k views

illegitimate traffic from user agent Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10 (.NET CLR 3.5.30729)

This is a rapidly changing event that has no answer yet. Please do not post your findings or assumptions as answers; reserve the answer field for when you actually have an answer. If ...
22
votes
4answers
13k views

Ordering: 1. nginx 2. varnish 3. haproxy 4. webserver?

I've seen people recommend combining all of these in a flow, but they seem to have lots of overlapping features so I'd like to dig in to why you might want to pass through 3 different programs before ...
15
votes
3answers
376 views

My site seems to be hijacked… but only when visited from another site… how?

My website is altoonadesign.com if you type it directly in your browser it takes you to the correct site. However if you do a search for "altoona design" and click on the link to my site you get ...
15
votes
4answers
4k views

Apache or NGINX for PHP?

I've read quite a bit on the major benefits to running NGINX over Apache for serving static files. However, I have never seen an article talking about Apache vs NGINX for serving PHP pages. Question: ...
13
votes
4answers
385 views

How to convince my Administrator that Java ON A SERVER is not insecure per se?

The Application We have a small Java application which uses some Camel routes to pick up uploaded files from a webserver, process them and send out some e-mails with the results. The server on which ...
13
votes
2answers
5k views

Any disadvantage to short DNS TTL? [closed]

Any disadvantage to short DNS TTL?
11
votes
3answers
336 views

Suspected server or data vulnerability and reporting a fraud site

Our business is YouGotaGift.com, an online store for gift cards, two days ago someone created a website that's called YoGotaGift.com (You is missing the u), and sent a mail campaign to many people ...
11
votes
8answers
291 views

What is the first thing you do if your website was hacked?

What would you do as first thing if your website was hacked? Taking the site from net? or rollback a backup? not realy or? Did you made any experiences in this way?
10
votes
2answers
7k views

What is a cookie-free domain?

What is a cookie-free domain? I've seen these words many times but I never understood what it is.
10
votes
6answers
2k views

How do you manage large web farms? [closed]

I have a quickly growing web farm running IIS 7 (30+ servers). All servers are identical copies of each other and all servers are physical. We update the software about once a month, and in the ...
9
votes
5answers
9k views

How to get nginx to redirect from www to non-www domain?

Let's say I want to redirect from www.example.com to example.com and I want to do this using nginx. I looked around and did not see any good documentation on this so I figured I would ask and answer ...
9
votes
1answer
10k views

Who (What?!) is “http://1.1.1.1/bmi”? [closed]

I'm not sure if this is the place to ask but I found some pages who contain links in them that start with "http://1.1.1.1/bmi". Who or what is 1.1.1.1? or maybe http://1.1.1.1/bmi has a meaning more ...
8
votes
1answer
309 views

Dell PowerEdge server crashed, how to repair? What happened? Information inside

I am currently in high school and run our school's website. This summer, our SysAdmin was diagnosed with cancer, and he went off for treatment, so I have been thrown into an interesting situation. ...
7
votes
2answers
1k views

ISP grade Proxy

We are a ISP in Africa (bandwidth is expensive, more than 800 USD per Mbit). Instead of investing in more bandwidth I believe it can be worthy to invest on web proxy appliance. I prefer to use mature ...
7
votes
1answer
1k views

When should you use and not use Etags?

I was just looking at our site on WebPageTest.org and one of their recommendations for speeding up a website is: ETag headers should generally not be used unless you have an explicit reason to ...
6
votes
3answers
871 views

What's the best centralized syslog viewing tool for *nix out there

Looking for what people think are the best for doing web viewing of a centralized syslog server. I am open to using any syslog server also. EDIT I actually went with GrayLog2
5
votes
2answers
6k views

How to test keep-alive is working on client end

What are some different ways/tools to verify that keep-alive is working on the server from the client's end?
5
votes
4answers
20k views

How can I check if my IIS site is using NTLM or Kerberos?

How can I check if my IIS site is using NTLM or Kerberos? And how can I change authentication from Kerberos to NTLM? I'm using IIS 7.5 and I couldn't find any answer to this question, can help me a ...
5
votes
5answers
2k views

Is there a simple LDAP-to-HTTP gateway out there?

We have a local LDAP directory that provides basic contact information about our user community. We would like to integrate this into some third-party hosted services that allow us to implement ...
5
votes
2answers
1k views

DDOS attack - How to prevent [duplicate]

Recently I read about Denial of Service attack on Amazon & PayPal. I am curious that how this is performed. These big companies must have huge servers, so DOS would require billions of bots to ...
5
votes
7answers
423 views

Real-time website traffic monitoring for operations teams

Working on medium sized websites we've always built our own real-time traffic graphing solutions and displayed those on a big screen mission control style so that if traffic starts to climb, load ...
5
votes
1answer
777 views

Is Tomcat Native worth the trouble?

A little background: I have a webapp that has both Servlet/JSP dynamic content and static files. Pages are always dynamic, and ~10 static resources are served for each page. Everything is served ...
5
votes
5answers
5k views

How to use ssl_verify_client=ON on one virtual server and ssl_verify_client=OFF on another?

I want to force ssl client verification for on of my virtual hosts. But get "No required SSL certificate was sent" error, trying to GET something from it. Here are my test configs: # defaults ...
4
votes
11answers
6k views

Can I use a Mac Mini as a web server and database server? What are the pros and cons? [closed]

We are a bootstrapped web start up. We have a LAMP web application that we expect relatively low to mid traffic because users need an account to log in. Our current approach is to colocate two ...
4
votes
3answers
5k views

Suggestions on large scale web applications architecture?

It's a big question:) We are running a website with LAMP that is not big, 5 web servers with LVS load balancing, 3 MySQL servers with replications and separation of reading and writing, and we use ...
4
votes
7answers
3k views

Web Application Vulnerability Scanner suggestions? [closed]

I'm looking for a new tool for the ol' admin toolkit and would value some suggestions. I would like to do some "automated" testing of handful of websites for XSS (cross site scripting) vulns, along ...
4
votes
7answers
9k views

fastest web server for static, dynamic content?

I'm looking for the fastest http server available for: serving static content -- huge set of large images. Minimal features need, just as fast as possible. dispatching dynamic content plugins -- ...
4
votes
2answers
793 views

What is the technology behind Hostname Based SSL (multiple ssl vhosts on single IP)?

Well known PaaS provider Heroku offers multiple solutions to SSL problem. One of those is a product called Hostname Based SSL This is not SNI. They claim it works on every browser in any ...
4
votes
8answers
23k views

how to provide a web interface to sftp server

We need to securely serve files to our clients. We want the transport to be encrypted, users should require user/password and they should be able to access their files through the web, ftp/sftp and ...
4
votes
6answers
488 views

Enterprise grade file sharing

Can anybody suggest any web based application ( enterprise grade) that will allow my internal users to share files with the outside world. Maybe something like yousendit, but I want to be able to host ...
4
votes
4answers
405 views

how many users typically use the “forgotten password” flow?

I was wondering what the "standard" usage rate of the "forgot my password" flow is on other ecommerce/industry websites? Right now not that many people go through the "forgot my password" link on my ...
4
votes
3answers
1k views

SSL - should I just make my entire site secured?

I'm planning on building an application wherein my users can create accounts on it, email other users, etc. The site will also have forums, chat, etc. It will also need to process credit cards. I'm ...
4
votes
3answers
836 views

Where to go to learn about web architecture? Youtube example?

I'm trying to build a web application that is similar to Youtube (it's not a knock off), but I guess I don't know how video is served on the internet very well. I know how to build regular database ...
4
votes
1answer
3k views

nginx Request line too large

I'm getting the error: Bad Request Request Line is too large (6060 > 4094) When I access the a specific url on my server like this: /api/categorize?packages=package1,package2,...packageN On ...
4
votes
3answers
552 views

DNS redirect error (probably CNAME related)

I have this question. There's a lot of information out there but none of the things I tried helped and I am still unable to identify if it can be helped at all. I have a site originally with a ...
4
votes
1answer
570 views

WMI Impersonation levels within vbscript / ASP code

I have an IIS 7.5 web site running "classic" ASP code (not ASP.NET) where the site is running under the normal service context, and only "Windows Authentication" is enabled. Users and navigate the ...
4
votes
0answers
456 views

WebRTC on standalone asterisk - no audio

After struggling with Asterisk for WebRTC for a few weeks now, I decided to put my problem on this forum. My Problem is as follows: Im not getting audio from WebRTC to WebRTC clients. I work in a LAN ...
3
votes
6answers
1k views

Correct recursive chmod, separate for files & dirs

I'd like to recursively chmod a directory so that: Files are 0664 Directories are 0775 How to do it better, shorter, fancier? :) Maybe, use umask somehow? All find solutions are too long: I ...
3
votes
3answers
783 views

Transition domain to new web host without waiting for DNS propagation

I was considering switching to Amazon EC2 to host my website to handle more traffic. It seems like I would have to update DNS records to point to the new server but I was wondering if there was a way ...
3
votes
3answers
124 views

What is meant by root in regards to website hosting? [closed]

I apologise in advance if this is a silly or easy question but I really need an answer ASAP. I have been asked to make some simple modification to a web page for a client. They already have a website ...
3
votes
3answers
433 views

Why is DownOrNot and JustPing reporting that my website is down?

I was pinging my site with DownOrNot and it is reporting that my website is down from all locations. Then I pinged it with JustPing and it is reporting that my website is also down from all ...
3
votes
5answers
4k views

Squid equivalent for Windows?

We are planning to move some of our Linux services to a Windows platform. What is the equivalent solution on the Microsoft platform to setup a web cache for outgoing traffic?
3
votes
4answers
2k views

Web based file sharing/management for small office?

We are a small company what are looking for a way to share documents and files on our dedicated ubuntu server. It has to be web based and it would be nice if you could search for files and enter basic ...
3
votes
6answers
347 views

How to monitor your “entire” website?

I've perused through the forums here and was wondering what the best practice was in terms of monitoring the status of your "entire" website? (not just the homepage) In terms of priority, if your ...
3
votes
2answers
6k views

SBS 2008 DNS stops working after 1 day for .uk, .eu and some other TLDs outside USA

In SBS 2008, when first installed or rebooted, DNS queries succeed, but after a period of about 1 day users report that they are unable to access some web sites. On inspection, it may be noticed that ...
3
votes
5answers
10k views

A web shell to ssh via browser?

I am traveling for a couple of weeks and I can connect to Internet only via Internet Points (or open access points if I'm lucky) and I doubt I can always find an ssh client to connect to my servers, ...
3
votes
1answer
103 views

How do hosting companies know that a person owns a domain name?

I was wondering how a hosting company can verify that you own a domain from another company that registers domains. I know that you change the DNS at the register site, and that you put the website in ...
3
votes
3answers
9k views

How does too many requests make a server crash?

I am wondering why websites crash at all. If a server has too many requests, it might queue up the request in its waiting lists and serve it when all the earlier requests have been served. ...
3
votes
1answer
69 views

Prevent email interruptions while switching web hosts

I have a website that is currently hosted at a company that also hosts my email address. I am switching hosts soon, and cannot have any interruptions in emails. What is the best way to go about this ...
3
votes
1answer
628 views

Speed up asp.net Development server

I am running a website in ASP.Net using the development server, which is insanely slow to load a page with no apparent reason since it is fast in production. Are there any tips to speed up the ...