HTTP stands for Hyper Text Transfer Protocol and is the protocol used to transfer information around the World Wide Web.

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Redirect from HTTP to HTTPS with respect to the X-Forwarded-For header (SSL termination used)

I'm looking to redirect from HTTP to HTTPS. My Nginx server sits behind a load balancer which will terminate SSL for me and send all traffic (HTTP and HTTPS) to port 80. The only evidence I will have ...
2
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1answer
141 views

Server responds to pings but no SSH or HTTP access

I do not know what has caused this but my websites have been down for 2+ days now and I cannot connect via SSH or FTP either. The only way to get signs of life from my server is to reboot it via the ...
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1answer
503 views

How stop nginx to listen to port 80

I want nginx to stop listen to port 80. I only found people with bugs but no doc about doing it on purpose. I can't disable it, and I read too : #listen 80; ## listen for ipv4; this line is default ...
3
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1answer
265 views

Apache AB (ApacheBench) : -no-check-certificate option available?

It seems there is no option to avoid this error : "Verify return code: 20 (unable to get local issuer certificate)". Is there a way to avoid issuer ssl check with AB (like wget's -no-check-certificate ...
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234 views

stunnel: redirect HTTP traffic to HTTPS

Is it possible for stunnel to detect non-SSL requests and issue a redirect to HTTPS URL? Or maybe it's possible to have stunnel mark these requests somehow and let the underlying app issue the ...
2
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0answers
75 views

How to prevent HTTP-based DDoS attacks [duplicate]

This night, I've noticed nginx was not responding to requests. After some investigation, I found that it was using 100% of the CPU and error.log was full of messages like this one: 2013/05/28 ...
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1answer
117 views

How do iptables ports work? [closed]

Let's say, for instance, a user on the network makes a HTTP request to http://serverfault.com. I believe the destination port (dport) in this case is 80. What is the source port (sport)? If the user ...
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0answers
104 views

Configure IIS To Send “text/html” In Response for IE11

The updated version of Internet Explorer in Windows 8.1, IE11, has the following User Agent string as per this: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko Our website is ...
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1answer
163 views

Malformed nginx 307 redirect response?

I have an Nginx configuration that 307 redirects from http to https. There are existing client applications that connect to http and send data via POST requests. The clients are .Net services using ...
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2answers
537 views

Alternatives to wireshark? [closed]

What would be a good option to troubleshoot an interaction of browser with a server besides wireshark? I mean being able to see what the browser sends and receives. Is firebug a good alternative or is ...
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44 views

Some traffic doesn't show up when using an HTTP Proxy

I use the Charles HTTP Proxy to watch traffic from mobile apps on my computer. Some traffic does not appear at all in the proxy, though, and I don't know enough about networking to know why. For ...
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118 views

Apache server reached MaxClients setting

I'm using Apache/2.2.15 (Unix) in CentOS release 6.3 (Final) 2.6.32-279.1.1.el6.x86_64. I have some HTTP requests from specific referer with diferrent ip adresses and i want to block these requests ...
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1answer
259 views

Plotted ab results of node, cluster and nginx, odd results?

I did a test with ab -n 10000 -c 1000 against node.js with different configurations, each returning the string Hello World!. Results seems odd to me. X axis is the number of requests, y is the ...
2
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1answer
176 views

Making Nginx send 4xx/5xx errors from PHP-FPM

I have Nginx setup to reverse proxy all files ending in .php. In some scripts, I check for parameters and send "406 Not Acceptable" as a generic error which needs to be picked up on jQuery/from Ajax. ...
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1answer
28 views

Add logging to HTTP server on runtime

Sometimes we have an HTTP server running where you can see that it starts to act out. Without restarting it I want to start to log all HTTP requests. Are there any tools that allows you to add some ...
1
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0answers
375 views

short Apache outages (VPS, ModSecurity)

I have a problem with my site recently hosted at Liquidweb, none of their techs seems to be able to solve this issue even after days. Was hoping I could get some help here. Occasionally, my site's ...
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1answer
98 views

Browser prematurely closes connection

I am working on a legacy system where an intermittent problem keeps happening at what seems to be times where there is a lot of load on the network. I am using IE6 to access a webpage generated by a ...
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2answers
810 views

Wireshark does not capture HTTP on 8080

I am running Wireshark on my linux machine and i have simple python web server running on localhost:8080 I am capturing only local port 8080. When i open browser on localhost:8080 wireshark captures ...
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1answer
177 views

Exclude Specific Pages From HTTP headers

I am just an html and css guy, so please forgive me if my question isn't worded correctly. I set http headers in the .htaccess file to disable caching for my site, and it works fine. But now I want to ...
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1answer
52 views

Are empty HTTP requests malicious?

I have seen multiple empty http request log entries from Apache: HOST:443 REMOTEIP - - [DATA AND TIME] "-" SIZE SIZE "-" "-" Are these malicious attacks, or some misconfiguration on my side?
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1answer
79 views

Forwarding all HTTP/HTTPS traffic to a port with iptables

I'm trying to setup a wireless network that routes all traffic to a local webserver (basically a hotel wifi login page). Here's my dhcpd config: $ cat /etc/dhcpd.conf ddns-update-style none; ...
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1answer
146 views

How do I change the format of Apache HTTP Indices?

For instance, this index: http://howto.unixdev.net/ Differs from this index: http://gcc.petsads.us/ How do I change the format of the indices for my web server?
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148 views

Apache tomcat server win8 cannot be accessed outside of local host

I have installed the apache-tomcat server on my local win7. The port I specified is 9999. Additionally, I use the distributed binary version of apache tomcat. Not installing as a windows service. I ...
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2answers
2k views

Human readable format for http headers with tcpdump

I would like to view the HTTP headers sent from Apache (listening on port 80) to Tomcat (on port 4080) in a Linux machine. According to Wikipedia, Header fields are colon-separated name-value ...
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1answer
72 views

How to forbid HTTP TRACE in lighttpd

In a recent PCIDSS scan at a client of mine, I got aware of Web Server HTTP Trace/Track Method Support Cross-Site Tracing Vulnerability (CVE-2004-2320, CVE-2007-3008). The proposed mitigation for ...
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198 views

trouble with github behind Varnish caching servers

We are a development team in Europe (Berlin to be precise) that heavily depends on the availability of raw.github.com. Our CI server way to often (sometime in 50% of all cases) reports failed builds ...
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1answer
112 views

Can I tail an http resource?

Is there a way to tail a resource such as http://someserver.com/logs/server.log ? This is what I would do for a local file. tail -F /var/logs/somefile.log I would like something similar to that ...
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1answer
141 views

Why does this HTTP header configuration cause browsers to always perform If-Modified-Since requests?

On our server, we have configured http response headers as follows: Cache-Control:max-age=28800, must-revalidate # (8 hours) Connection:Keep-Alive Date:Wed, 24 Apr 2013 21:36:19 GMT ...
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1answer
40 views

New Wordpress host running old Apache HTTP

My employer recently had me help move our static web site to a new Wordpress host. The new host claims to be super up to date on everything. When requesting anything from the site and inspecting ...
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1answer
124 views

Can Squid or other open-source proxy server be set up to process HTTPS encrypted traffic? [closed]

I would like to set up a home proxy server which would filter ads and viruses even before they get to the browser. The problem in this case is that many web sites use encrypted HTTPS connections and I ...
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1answer
105 views

Cisco route HTTP / HTTPS to proxy server

Given a Cisco router, is it possible to route all HTTP and HTTPS traffic to a proxy server for filtering, and allow the proxy server to send the filtered traffic back?
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319 views

IIS 7.5 Log Request Processing Time

I am running on a performance issue with ASP.Net 2.0 Application. A page takes atmost 20+ secs to load in a browser. I would like to know where the problem is occurring, i.e in browser(rendering) or ...
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2answers
950 views

Sophos access a webserver from the web

I have an web server (IIS) behind an SOPHOS UTM 9 I have setup the Web Application Firewall feature It is a completely fresh install. No other settings have been edited. When I try to access the ...
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3answers
151 views

Setup a http proxy server in linux so that Web users behind a big firewall in another country can access the Web without filtering

I've already setup a SSH server. I can create a socks proxy and proxify the Internet connections from within a country that censores the Internet. The problem is that SSH proxies are too slow and for ...
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1answer
277 views

Issue setting environment variable in apache httpd.conf

I'm trying to figure out why I can set a string literal in httpd.conf using SetEnv: SetEnvIf anothertest ^$ something=sometext But I can't assign the contents of another variable: SetEnvIf ...
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1answer
376 views

All HTTP connections refused from public IP yet all others are fine?

I wasn't sure how to describe this problem in the title, so I'll give you a little background on it. I have a machine running Ubuntu 12.10 Server with Apache 2.2.22 (all packages at latest release ...
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1answer
59 views

.NET WebRequests fail on network with Blue Coat proxy

I have a .NET 3.5 application that makes a standard http WebRequest: var webRequest = WebRequest.Create(new Uri("http://myserver.com/target.xml)); var webResponse = webRequest.GetResponse(); This ...
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1answer
2k views

How to allow HTTP OPTIONS requests in IIS 6?

I am having some trouble allowing CORS OPTIONS requests from a website that I am working on. After doing some research I was under the impression that the following things needed to be in place in ...
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1answer
480 views

“Via: HTTP/1.1 GWA” HTTP header - what is it?

One of my customers has something installed on their site, which makes all their resources load from googleusercontent.com domain. All HTTP requests also have the following header: Via: HTTP/1.1 GWA ...
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1answer
121 views

Do I need to handle chunked HTTP requests if I only work with GET requests? [closed]

I am writing a Netty server that handles HTTP GET requests from the browser to serve scripts or pixels. My understanding is that there is no reason why I would receive chunked requests as all I ...
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1answer
124 views

Acceptable HTTP request-response delay

What is the acceptable HTTP request-response delay? I have a client-server application that takes 0.4 milliseconds as request-response delay. is this delay acceptable according to the standard?, ...
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1answer
47 views

HTTP request logs needed for anaylsis [closed]

I'm looking for detailed server logs of HTTP requests, so that I can find the most common HTTP request header values for fields such as User-Agent, Accept, Accept-Charset, etc.. I found a resource ...
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2answers
54 views

Download and save a file with proof that it was downloaded from a specific server/url on a specific date?

Assuming the file was downloaded over http is this possible? I'm guessing there could be some way to do it using a hash and a timestamp however I'm not sure how you could prove nothing was tampered ...
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2answers
73 views

Interim way to handle https requests while SSL certificate is being arranged?

What can I do to handle https requests while an SSL certicate is being arranged? The https requests are being made from a desktop app so there are no browsers involved. Are there free certs I can ...
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2answers
61 views

Dumping the contents of HTTP packets between two VPNs

Here's my setup: Client ---> VPN 1 (my pc, same subnet of the client) --> VPN 2 (external VPN) --> Internet Both VPNs are L2TP/IPSec and the first one is an Ubuntu server with Openswan. I need ...
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1answer
86 views

How does a browser request from CNAME?

Let me put it this way: 1.cname.com has a record of X.X.X.X www.domain.com has a record of 1.cname.com When a user request www.domain.com from within his/her browser,his/her browser will send an ...
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1answer
114 views

Redirect HTTP to HTTPS without a web server

I'm running an OpenVPN AS server on a VPS and the server itself has a web interface accessible through HTTPS. I'd like to redirect all HTTP traffic to HTTPS without having to install a web server for ...
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0answers
122 views

Nginx growth of writing connections

I have a web server: ubuntu nginx+uwsgi+postgresql and a stats server: where munin2 is installed. The nginx app server has nginx-1.2.1 with ngx_pagespeed module installed by compilation, taken from ...
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2answers
715 views

Man-In-The-Middle with a VPN?

I'm doing some researches for university and, before wasting a lot of time into it, I'd like to know if what I've got in my mind can be done. I'm talking about a simple MITM attack but, in my ...
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37 views

URL scheme for non-production (Dev, Test) URLs

Consider a "Production" URL for a corporate web site called "Access" access.company.com I'm trying to weigh the pros and cons of different ways of defining a non-production site like "DEV": (a) ...