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Proxy Error, the proxy server received a invalid respone from an upstream server The proxy server could not handle the request. Get/amserver/ssoredirect/metaAlias/sky Reason :Error reading from remote server IBM_HTTP_ Server server at id.sky.com port 80 The error that the other server returned was 500 500 mailbox not found (state 14) I can't get into my e-mail, the above problem comes up on screen help.....

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This appears to be an issue with the ISP's equipment and/or service provision. You will need to contact the ISP directly (the company that provides your internet/email functions) to report the problem and request that they correct it.

If this information assists you in resolving the problem, please take a moment to rate the solution at a "FixYa" level. If you do not feel that you can rate at a "FixYa", please post back with more information regarding what has occurred subsequently, and I will gladly help you until we have reached a definitive solution.Thank you for using and rating FixYa!

Posted on Aug 03, 2008

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Posted on Jan 02, 2017

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How can i fix http error 504,when im downloading microsoft office


Introduction

A server (not necessarily a Web server) is acting as a gateway or proxy to fulfil the request by the client (e.g. your Web browser or our CheckUpDown robot) to access the requested URL. This server did not receive a timely response from an upstream server it accessed to deal with your HTTP request.

This usually means that the upstream server is down (no response to the gateway/proxy), rather than that the upstream server and the gateway/proxy do not agree on the protocol for exchanging data.

504 errors in the HTTP cycle

Any client (e.g. your Web browser or our CheckUpDown robot) goes through the following cycle when it communicates with the Web server:
Obtain an IP address from the IP name of the site (the site URL without the leading 'http://'). This lookup (conversion of IP name to IP address) is provided by domain name servers (DNSs).
Open an IP socket connection to that IP address.
Write an HTTP data stream through that socket.
Receive an HTTP data stream back from the Web server in response. This data stream contains status codes whose values are determined by the HTTP protocol. Parse this data stream for status codes and other useful information.

This error occurs in the final step above when the client receives an HTTP status code that it recognises as '504'. Frank Vipond. September 2010.

Fixing 504 errors - general

This problem is entirely due to slow IP communication between back-end computers, possibly including the Web server. Only the people who set up the network at the site which hosts the Web server can fix this problem.

Fixing 504 errors - CheckUpDown

Use of proxies and caching is increasing on the Web. Our CheckUpDown robot will always try to 'drill through' to the real computer that actually hosts the Web site, but we do not have complete control over where our HTTP request actually ends up. If only one link in the chain of computers dealing with our HTTP request is broken, then an error such as 504 can easily occur.

Please contact us (email preferred) whenever you encounter 504 errors - there is nothing you can do to sort them out. We then have to liaise with your ISP and the vendor of the Web server software so that they can review the flow of IP data traffic between various computers under their control. However this is not an easy error to sort out, because the ebb and flow of Internet traffic makes this type of error very transient., with little chance of any real fix, as really there isn't much the end user can do?

Short answer, get another download site... or get a torrent link?

Apr 30, 2011 | Microsoft Windows XP Home Edition

1 Answer

Internet explorer http internal server error 500 help gave it a day still cant get online!!!


Error 500 to 504 are usually nothing to do with your system, they are errors created by the server you are trying to connect to.

Introduction
A server (not necessarily a Web server) is acting as a gateway or proxy to fulfil the request by the client (e.g. your Web browser or our CheckUpDown robot) to access the requested URL. This server did not receive a timely response from an upstream server it accessed to deal with your HTTP request.

Mar 21, 2011 | Computers & Internet

1 Answer

What is proxy


Hi liverpool97.
Let me explain you about the Proxy servers.
In Computer Networks, a Proxy Server is a Server (a Computer system or an application program) that acts as an intermediary for requests from clients seeking resources from other servers.
A client connects to the proxy server, requesting some service, such as a file, connection, web page, or other resource, available from a different server.
The proxy server evaluates the request according to its filtering rules.
For example, it may filter traffic by IP address or protocol. If the request is validated by the filter, the proxy provides the resource by connecting to the relevant server and requesting the service on behalf of the client.
A proxy server may optionally alter the client's request or the server's response, and sometimes it may serve the request without contacting the specified server.
In this case, it 'caches' responses from the remote server, and returns subsequent requests for the same content directly.
Hope this helps.
Please let me know if you need further information about the Proxy servers.
I'll be glad to assist you.

Sep 21, 2010 | Computers & Internet

1 Answer

I am trying to downlaod something but i need to wright a proxy sever but i don't know what a proxy sever is or how to do it?


In computer networks, a proxy server is a server (a computer system or an application program) that acts as an intermediary for requests from clients seeking resources from other servers. A client connects to the proxy server, requesting some service, such as a file, connection, web page, or other resource, available from a different server. The proxy server evaluates the request according to its filtering rules. For example, it may filter traffic by IP address or protocol. If the request is validated by the filter, the proxy provides the resource by connecting to the relevant server and requesting the service on behalf of the client. A proxy server may optionally alter the client's request or the server's response, and sometimes it may serve the request without contacting the specified server. In this case, it 'caches' responses from the remote server, and returns subsequent requests for the same content directly.
A proxy server has a large variety of potential purposes, including:
1: To keep machines behind it anonymous (mainly for security.
2: To speed up access to resources (using caching). Web proxies are commonly used to cache web pages from a web server.
3: To apply access policy to network services or content, e.g. to block undesired sites
4: To log / audit usage, i.e. to provide company employee Internet usage reporting
5: To bypass security/ parental controls

Aug 01, 2010 | Computers & Internet

2 Answers

Proxy sever


A server that sits between a client application, such as a Web browser, and a real server
. It intercepts all requests to the real server to see if it can fulfill the requests itself. If not, it forwards the request to the real server.


Proxy servers have two main purposes:

# Improve Performance: Proxy servers can dramatically improve performance for groups of users. This is because it saves the results of all requests for a certain amount of time. Consider the case where both user X and user Y access the World Wide Web through a proxy server. First user X requests a certain Web page, which we'll call Page 1. Sometime later, user Y requests the same page. Instead of forwarding the request to the Web server where Page 1 resides, which can be a time-consuming operation, the proxy server simply returns the Page 1 that it already fetched for user X. Since the proxy server is often on the same network as the user, this is a much faster operation. Real proxy servers support hundreds or thousands of users. The major online services
such as America Online, MSN and Yahoo, for example, employ an array of proxy servers.


# Filter Requests: Proxy servers can also be used to filter requests. For example, a company might use a proxy server to prevent its employees from accessing a specific set of Web sites.



A proxy server receives a request for an Internet service (such as a Web page request) from a user. If it passes filtering requirements, the proxy server, assuming it is also a cache server , looks in its local cache of previously downloaded Web pages. If it finds the page, it returns it to the user without needing to forward the request to the Internet. If the page is not in the cache, the proxy server, acting as a client on behalf of the user, uses one of its own IP addresses to request the page from the server out on the Internet. When the page is returned, the proxy server relates it to the original request and forwards it on to the user.

To the user, the proxy server is invisible; all Internet requests and returned responses appear to be directly with the addressed Internet server. (The proxy is not quite invisible; its IP address has to be specified as a configuration option to the browser or other protocol program.)

An advantage of a proxy server is that its cache can serve all users. If one or more Internet sites are frequently requested, these are likely to be in the proxy's cache, which will improve user response time. In fact, there are special servers called cache servers. A proxy can also do logging.

The functions of proxy, firewall, and caching can be in separate server programs or combined in a single package. Different server programs can be in different computers. For example, a proxy server may in the same machine with a firewall server or it may be on a separate server and forward requests through the firewall.

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Conect to some sites but not others - Belkin ADSL2+ Modem + wireless g router


try to clear your cache file on your computer,check your setting if you type the correct dns on your router or computer. ask your isp if your behind a proxy server then try to bypass it.

Nov 07, 2008 | Gateway Belkin 54g Wireless DSL/Cable...

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