0
votes
1answer
28 views

Very big connecting/waiting time for HTTP requests

We use server as a an aggregator with lots of small income HTTP requests (~1000 RPS). When we reached that number of RPS, http requests started to take randomly longer amount of time (100ms-4 ...
3
votes
4answers
102 views

Tunnel over HTTP Server [closed]

As you know, in many countries censorships are prevents us to reach some sites. In Turkey, there will be censorships on Facebook and Youtube. I thought It will be great to pass these censorships ...
1
vote
3answers
82 views

why wget doesn't read HTTP_PROXY in uppercase format?

In unix/linux i know the eviroments variables are uppercase, like LD_LIBRARY_PATH ; HOME ; $USER and so on, today playing with wget i saw this commands just uses lowercase enviroment variables env | ...
-1
votes
1answer
42 views

How can I ensure HTTP requests from many servers goes through one IP address? (i.e. client-side load balancing)

We have many machines that for security reasons need to communicate through a somewhat static set of IP addresses. ("Somewhat" meaning, manual maintenance once in a while is okay, but new IPs cannot ...
0
votes
1answer
185 views

some outgoing http connections fail

After a recent reboot, my server is unable to connect via http, but not all the time. I have an accept rule for port 80, here is my iptables: Chain INPUT (policy ACCEPT) target prot opt source ...
0
votes
0answers
68 views

http request body got corrupted occasionally

I have a problem related to http POST body corruption. I got a Apache2 as web server, php as server script and the request is send by android HttpURLConnection class. Traffic is not too much, like 1 ...
0
votes
0answers
74 views

Cannot connect to Windows Server 2008 R2 via http, https works

I've been having a problem with my WS2008R2 server ever since I started IIS7 for the first time. I've been managing to work around it so far, because https access works normally. http, however, has ...
-3
votes
2answers
592 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 ...
0
votes
1answer
393 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 ...
2
votes
1answer
396 views

Does a HTTP tunnel solution exist that doesn't use CONNECT, HTTPS or chunked encoding? [closed]

I am looking for a way to get a fast OpenVPN connection out through a restrictive firewall (this is not a workplace and I am not breaking any code of conduct). Currently I'm using port 443 direct to ...
0
votes
1answer
49 views

Tracking data sent to remote host over time?

What is a a good way to track over time the amount of data transferred from my Linux server to another host on the internet? https and imaps only
-1
votes
1answer
165 views

How to test server under heavy network traffic? [closed]

I need to test our server infrastructure providing static content, under heavy traffic. I need to utilize 10GBps at minimum if our new CDN infrastructure is working correctly, or pinout bottlenecks. ...
0
votes
1answer
110 views

Random timeout now and then

Maybe this is a to generic question, but since we have this issue for quite a while now, I give it a shot. We have some applications which use HTTP for the connection between the client (website or ...
0
votes
3answers
485 views

How To go fully IPv6 with Cloud Flare, a web server with both ipv4 and ipv6?

I have setup an Nginx server in a machine which have both ipv4 and ipv6 addresses. Currently, its connected to CloudFlare and only use ipv4. I have 1 ipv4 address assigned to the web server. Now what ...
0
votes
1answer
92 views

iptables trafic limitation not working properly with http

I'm using those rules to limit/stop port scan. iptables -A INPUT -p tcp -i eth0 -m state --state NEW -m recent --set iptables -A INPUT -p tcp -i eth0 -m state --state NEW -m recent --update --seconds ...
-7
votes
1answer
43 views

Regarding the functioning of the HTTP server [closed]

As all of us uses the HTTP protocol for accessing the web, and request at the port number 80 of the server, now suppose i want to browse or download a file then i will request to the HTTP server by ...
2
votes
1answer
43 views

Strategies physical server running multiple guests but having a single external IPv4

My hoster is - understandably - cutting down on IPv4 addresses offered with new servers so that the next time I re-locate my stuff to a new server I'll a huge number of IPv6 addresses, but only a ...
2
votes
2answers
103 views

Central web login system for university

We have 300 hosts in our LAN. They use a linux server as default gateway. We need to send all traffic through a server machine which would then forward it to internet. I want to add a central login ...
1
vote
2answers
322 views

HTTP Proxy for Windows server

I am sorry that the question is probably not what you thought it is. I have a box in US on colo which is collecting some data but is fairly easy on the resources. it runs w2008r2. and it has one NIC ...
3
votes
3answers
273 views

What is the benefit to having a network's HTTP traffic sent out on a different IP than HTTPS?

I've noticed that some traffic coming to my web sites reports a different source IP depending on whether or not the connection is secure. I have two different hostnames, one of which is HTTP, the ...
2
votes
2answers
5k views

How to debug “HTTP request sent, awaiting response”?

I have a Linux server on an ADSL connection, and I just noticed that sometimes I get Connecting to example.com|xxx.xxx.xxx.122|:80... connected. HTTP request sent, awaiting response... when I use ...
0
votes
2answers
1k views

Tool to catch http request, modify it and send again

I need a simple tool under Windows which can catch some http request, make it possible to modify request headers (manually) and send it again
-2
votes
1answer
209 views

How does tcp keep a connection alive? [closed]

In http ( over tcp) there is a header which called keep "alive" I dont understand how a connection can be open in tcp if all packets come from different source ( router decision - over the internet) ...
3
votes
3answers
3k views

What tools are available on Windows to simulate/emulate network issues?

I am looking for tools for Windows that can act as a reverse-proxy in front of a server to introduce various networking issues like jitter, delays, or packet loss. My preference is a software ...
0
votes
2answers
127 views

User has problem with loading speed of website

We are using nginx as reverse proxy. There are 4 servers (1x nginx, 2x uWSGI, 1x DB + Memcached). One user told me some time ago, that he has for 3 months problems with loading speed of website. Every ...
1
vote
1answer
56 views

Issuing GET via Telnet to WAS 6.1 has HTTP 505 response

I'm working with our network team to configure layer 7 healthchecking for a WAS 6.1 system. We're proving the connection in a similar manner to how the device will check it, by opening a telnet on ...
1
vote
1answer
225 views

New Unibody MacMini Network issue

So I have a brand new MacMini straight from apple preinstalled with 10.6.4. Summary of the problem is when downloading a file larger than 1meg after 800k or so the download slows tremendously to 1 or ...
0
votes
1answer
56 views

partial responses from remote server

I'm posting this question here, but I'm not 100% sure where the problem lies. I have a site hosted through Media Temple that I'm developing. It's started to continually give me http 206 responses ...
2
votes
2answers
2k views

Millions of SYN_RECV connections, no DDoS

We have such server structure: reverse proxy (nginx) -> worker (uwsgi) -> postgresql / memcached. All servers are in local network behind router, with NATed external ip:ports (http/s 80/443 to proxy, ...
1
vote
2answers
48 views

Knowing what server is chosen by a load balancer

I am currently monitoring the logs of produced by our application server. But before I can do that, I would have to know which server's logs I would go to. To do this I do a tail of both logs and ...
4
votes
5answers
2k views

Using a router to intercept HTTP data. Sniffing?

This is my first serverfault post. I've been a member of Stack Overflow for a while and doubt that this question would fly over there. I have my PS3 and XBOX 360 hard wired to a Linksys Wireless N ...
0
votes
2answers
974 views

Why does wget get redirected to localhost when fetching an unresolvable page?

I'm trying to fetch a nonexistent (unresolvable hostname) page using wget. I expect it to fail, but it does not. Here is a transcript [mark@cn ~]$ cat /etc/resolv.conf ; google public nameserver ...
1
vote
2answers
115 views

Funnelling http traffic

I have a situation where a large batch of servers (X), on demand, need to request data from a smaller set of web servers (Y). The worst case scenario is if all servers in X decide to fetch different ...
0
votes
2answers
158 views

Identify Executable Creating Network Traffic

I've got some application on my Windows XP machine that is generating an HTTP request to aaronsw.com every half hour. We've trapped the packets in wireshark, but wireshark doesn't tell what ...
0
votes
3answers
286 views

load balancing Apache

I have a very simple setup at home that's serving a website for some home/school projects. The setup has a DSL modem (M) with a static IP address connected to a Netgear router (R) that port-forwards ...
2
votes
1answer
3k views

HTTP downloads stop after some time, resuming is not possible

When I try to download a file via HTTP, the downloads sometimes stop after around 30 MB. The download rates goes down to 0 B/s and no data keeps coming. When I stop the download and resume again, the ...
2
votes
3answers
1k views

Slow http traffic between VMWare Player guest and host

I have a web application running as an http server inside the VMWare Player guest OS, and I'm trying to access the content from the host OS. The guest is running Ubuntu, and the host is running ...
2
votes
2answers
1k views

SSL / HTTP / No Response to Curl

I am trying to send commands to a SOAP service, and getting nothing in reply. The SOAP service is at a completely separate site from either server I am testing with. I have written a dummy script ...
1
vote
1answer
95 views

add banner to site

We have some unusual task in our office. There is a list of domains(about 1000 items). When a user from our LAN visits one of this domains, we have to add a small banner to the page he sees. Is it ...
1
vote
5answers
223 views

HTTP request pause for one minute

I have this website which works very smoothly but occasionally when I click a link it pause for around one minute before I get the page, and when I open the same page in a new window, it open smoothly ...
3
votes
5answers
14k views

IIS logs show sc-win32-status=64 but only through some networks

I have an ASP.NET application running on a client server (W2k3, IIS6, .NET 2.0). FWIW, this is a Test instance, it hasn't been moved into Production yet. So it is not running under SSL, load ...
3
votes
3answers
884 views

Network throttling for large file upload process

My application need to have a file upload component which will be uploading very large(>1gb) files. I'm yet to decide on the protocol (HTTP or FTP) to go for (Any help in this regard will be highly ...
21
votes
8answers
3k views

Dynamically blocking excessive HTTP bandwidth use?

We were a little surprised to see this on our Cacti graphs for June 4 web traffic: We ran Log Parser on our IIS logs and it turns out this was a perfect storm of Yahoo and Google bots indexing us.. ...
0
votes
3answers
325 views

How can I Ensure communication between computers in unknown deployment environment?

I have two computers. One of them has a server running, the other has an application that communicates with that server. These computers are deployed to various sites. Sometimes these computers can be ...
8
votes
9answers
3k views

Who can eavesdrop on a user's HTTP traffic?

I have heard many times that HTTPS should be used for transferring private data, since HTTP is vulnerable to eavesdroppers. But in practical terms, just who is capable of eavesdropping on a given ...