HTTP (Hypertext Transfer Protocol) is the protocol most commonly used to transfer information around the World Wide Web.

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HTTP Sniffing using wireshark

I am using Wireshark on my Mac, which is running Yosemite. When I am sniffing the HTTP protocol, I can only see the HTTP/get and I cannot see the HTTP/OK.. Is there a way to enable this on my MAC? I ...
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3answers
100 views

What protocol is used to transfer a message in a HTTP application?

This is from an interview question - http://www.glassdoor.com/Interview/Yelp-Software-Engineering-Intern-Interview-Questions-EI_IE43314.0,4_KO5,32_IP2.htm "protocol used to transfer message in HTTP ...
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47 views

Virtualhost access through HTTP proxy

Given the fact that every HTTP proxy rewrites the "Host" header, for example, if i send a request to xxx.com with the header "Host: yyy.com", every HTTP proxy will change it in a request to xxx.com ...
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66 views

Redirect HTTP paths to a different server and port

I have a home server that is running multiple applications. I currently can access these services remotely, by using a specific port number. Due to web filtering reasons, this will not work for me ...
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1answer
28 views

Firefox 35 network monitor, don't merge same-name http header, can I?

I'm using Firefox 35 to debug HTTP protocol, but find some weird thing. The server response header is: HTTP/1.1 401 Authorization Required Date: Tue, 27 Jan 2015 06:12:00 GMT Server: Apache/2.2.27 ...
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30 views

Having trouble understanding how corkscrew works

I've recently been trying to use corkscrew alongside ssh and have had trouble understanding what to put in the http proxy field. I imagine this is just a misunderstanding on my part, but I thought I ...
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1answer
76 views

Why are PNG and TIFF formats treated differently than JPG and GIF by a webserver?

I observed that my web-browser kept download PNG and TIFF images, while happily displayed JPG and GIF when I clicked on a link to that image. Ex. http://somesite.com/image.<format> On closer ...
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105 views

Some websites never finish loading

I've got a really weird issue with my new system, certain websites never finish loading. The issue happens in IE, Chrome, and Firefox but Chrome is able to load some websites Firefox isn't loading and ...
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4answers
60 views

Does Apache need firewall access for code server requests?

Would just like quick clarification on something. For a development stack such as LAMP or XAMPP for a local server; does Apache require access over the firewall (e.g. port 80) if, for instance, some ...
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2answers
28 views

How does a client know when a https or https request has been fulfilled? [closed]

I am wondering how a client that has requested a webpage froma get request for example knows exactly when it has received all the requested data and that there is no more data to come using both https ...
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1answer
177 views

Why does this script work as expected in 'curl', but not in the browser?

I have a script which when accessed with the HTTP protocol will send some data, pause for a few seconds, then send some more data, repeating until all the data is sent. When I access it in curl, it ...
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1answer
348 views

Fiddler doesn't capture traffic from remote clients on virtual machine

I have Fiddler installed on a virtual machine (VMware). I want to monitor incoming HTTP traffic (requests from remote clients). But Fiddler doesn't show any incoming HTTP requests. Outcoming requests ...
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1answer
51 views

Cannot retrieve http sites when using OpenVPN, but https sites work just fine. Why?

I am using a VPN provider that uses OpenVPN. I don´t wont any other traffic leave my computer so I have set up my iptables like this: iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P ...
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1answer
289 views

How secure are go lang based HTTP Servers? [closed]

How secure should I consider the go lang net/http framework to be? I understand just how broad a question this is, but I'm wondering how robust I should consider the framework itself, NOT the ...
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0answers
40 views

Pages from specific web server fail to load on Android browser

I have a weird problem I can't get a handle on. No page from the site http://www.donegalnow.com will load in the default Android browser. All pages from the same site load using Chrome for Android and ...
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2answers
76 views

Why other port in URL in front got http?

An example of a URL that links to a web hosting control panel: http://example.com:3500 HTTP is port 80. Why does it list port 3500? Is it port 3500 or port 80?
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100 views

Cannot curl webserver from outside network

I have a webserver running on one of my home computers. I am able to access it within my network, on another computer, with curl localWebserverIP:8888. However, I am having issues accessing it from ...
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2answers
72 views

Why does nslookup for espn.com give an IP that goes to go.com?

If I do an nslookup on espn.com, an IP is returned 199.181.132.250. When I put this value in the browser I get go.com. If I had add a 'Host header to the request, I still end up on go.com. What am I ...
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42 views

Google Chrome much slower when using file:// instead of http://

I occasionally have html files stored locally that I need to view. Opening them in Google Chrome as file:///path/to/file.html is excruciatingly slow. If I serve them up over http like ...
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139 views

Invalid HTTP response received from host on port 443

I am facing issue with my nagios monitor installed in centos 6 server saying HTTP CRITICAL - Invalid HTTP response received from host on port 443:. i have opened the port but still giving the same ...
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0answers
24 views

Send and receive file in curl

I have a remote server running and i want to send a text file to that server. I have this script to upload the file: curl -F 'txtfile=@sometxtfile.txt''http://www.example.com/transfers' My ...
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1answer
39 views

Authentication requests for HTTPS calls through an HTTP proxy

Am I right in thinking that if you have a service protected by SSL on the other side of an HTTP proxy which requires authentication that: You authenticate using HTTP sending an unencrypted (albeit ...
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1answer
440 views

HTTP GET works but OPTIONS says Empty reply from server

I am having this problem where ajax calls to my dev server is not working. The weird thing is that it only happens on this one particular machine. It happens across all browsers, when I use Chrome ...
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42 views

Hydra empty response, only difference is header locaion

I'm trying to crack my web page to see if it is possible or not. When you try to login on loginpage.php, form is posted to checklogin.php. checklogin.php checks form data and sets Session if login is ...
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1answer
185 views

Python SimpleHTTPServer

A few questions about python's quick and easy http server module. Is it secure? It is only available to people on my lan, right? If somebody typed in my public ip xxx.xx.xx.xxx:8000 it wouldn't work? ...
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2answers
71 views

Can telnet be used with any application level text protocol based on TCP/IP?

Can telnet be used with any application level text protocol like http or smtp?
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2answers
57 views

How to get server IP from given url [duplicate]

Can anyone tell me how to get the IP of a server, for example: https://capi-eval.signnow.com/api/document/ I need it for curl call, which might be slow because of dns. I can't get ip with ping ...
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2answers
357 views

wget stops downloading: Cannot write to `-' (success)

Please have in mind that I don't know anything about servers, nor any of its vocabulary, I am a simple web coder, trying to figure my way on the universe! I'm trying to link dropbox on my server, I am ...
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1answer
238 views

What is the difference between UDP and HTTP torrent trackers?

In the context of bittorrent what's the difference between http and udp trackers? HTTP is an application layer protocol and UDP is a transport layer protocol so the concepts seem non-overlapping. I ...
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140 views

Getting error “Set ”Content-Type“ header to overwrite this value.” on using Advanced Rest Client App to test the response of C# Application

I just started using the Advanced Rest Client App to test the response generated by a C# application. I am using the POST method to send userid and requestName to the application which receives these ...
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2answers
157 views

Rate-limit Apache with Blacklist and Whitelist

I spent several hours trying to configure iptables/ufw to do this for HTTP requests handled by Apache2: White list a set of IP ranges (search engine bots) Add IPs to a 24 hour block list after X ...
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2k views

What is vegur appearing in HTTP headers?

On some websites there are the following headers which consist vegur, e.g. Via: 1.1 vegur In here (check the headers) and also in that post. I've tried to look for it, but I couldn't find it. Is ...
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111 views

Chrome cache protocol: avoid too many redirects

I have a server running apache on http (port 80) and https (port 8443). On the same server I have tomcat running https (port 443) I want to disable https 8443 port on apache server, using only port ...
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1answer
45 views

Which HTTP Authentication used?

I need a way to find out which HTTP Auth mechanism is used for a particular website/web-server, which is responding to my HTTP request. I am open to use any browser, or any other tool (like ...
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5answers
2k views

How does a server get notified about the HTTP request?

I have a basic understanding of how HTTP works. I understand the client (web browser) makes a request and server responds back to the request. However, the thing I don't understand is how does a web ...
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3answers
210 views

How does a web server return an HTTP request?

I'm sorry if this is a really stupid question; my networking knowledge is pretty sparse. So, a user makes a HTTP request to some address. That request comes from an address on a local subnet, but the ...
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1answer
29 views

Home server software [closed]

I have a computer that runs pretty much always. It runs windows 8.1 and due to being a gaming computer, is powerful enough to handle server operations. I would like to run a server software on it to ...
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1answer
35 views

Is it true that http requests via proxy cannot be detected and blocked by the target server? [closed]

In the situation in which a server A sends http requests via php under proxy to server B is it real that server B can't know that the requests are sent by a proxy? And if server B administrator is ...
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1answer
44 views

How to anonymize an Apache log after the fact?

I encountered a bug in an open source PHP program and I want to create a bug report. I expect that the server log will be important for the developers (as a minimum, it is needed to prove that there ...
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2answers
39 views

Structure of an HTTP Header? [closed]

Is there an RFC I can look at for the structure of an HTTP header? I've looked here: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html but this seems specific to Headers defined in the spec. ...
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3answers
187 views

Is it possible to get the download file name of an mp3 from server using bash?

I am trying to get the final download file name of an mp3 from a server, specifically audiotool.com e.g. http://api.audiotool.com/track/haunt_opaque/mixdown.mp3 When you navigate to this url in a ...
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31 views

Access to all links on a domain(no hyperlink available)

I need to have access to all links like: http://www.thewebsitename.com/random_alphanumeric_code1.asp http://www.thewebsitename.com/random_alphanumeric_code2.asp etc.for a given website: ...
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1answer
57 views

What kind of website would benefit from an SSD powered hosting? [closed]

I've been hosting sites for quite sometime now on regular HDD servers, they pretty much do the job fast enough for me. I was wondering what kind of sites would typically benefit from SSD powered ...
0
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1answer
54 views

Mass grabing part of HTML source code using shell scripts

From this page, a radio show http://www.ellinofreneianet.gr/sounds.php?s=0&p=10&o=l I want to download all the recorded shows. They are all this type of pages ...
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1answer
2k views

Can't get HTTP connection to Amazon Web Services EC2 Windows Server 2012 Instance

I have an Amazon Web Services EC2 instance with a Windows Server 2012 AMI on it. I have installed XAMPP on it, and have started the apache server from the XAMPP Control Panel. It starts successfully. ...
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Particular website is not available from TOR network

Particular website is not available from TOR network on all devices we tried in different networks. Regular access works fine. Hosting support replied they do not restrict access from TOR network. ...
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1answer
68 views

Try to download mp3 with wget but it redirects to another site?

I am trying to download mp3 files from this adress hanialrefai using wget like this: wget -r -l0 -k -p -A.mp3 http://hanialrefai.com but it redirects me to http://quantsa.ru/?pw and then it say: ...
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1answer
83 views

How can I get the Full URL's being accessed over TCP, on OSX (or linux)

Is there a way that I can have iftop (or some other command) run on my mac (linux also is okay) which will display the exact http requests which are being made, including the parameters being sent ...
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1answer
35 views

HTTP requests from browsers stop working randomly (windows 8)

For some reason I can't understand, sometime (every hour or so), for a short period of time (15 sec.) the HTTP requests done from the web browsers are not working. If I do a ping, it works fine. All ...
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0answers
24 views

Mac OSX HTTP slowness [closed]

I've been having internet issues at work for a while now. I'm using Mavericks on a 2013 retina MBP, and the internet will repeatedly just start being abysmally slow connecting to websites. Websites ...