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Dynamic Proxy Server
Hi all.
We have a client who needs the following arrangement.
1. There is 1 main server acting as a proxy server to the internet
2. There are a few other additional servers also acting as a proxy server / gateway (sharing internet connection) at specific period of times.
3. All computer connected to LAN will need to discover available proxy servers to go to internet without manually changing the internet options. If (2) is available then use one of those servers to go to internet, otherwise then use (1). If needed a client side software can be installed at each of this PC.
How can I implement this ? Is there any gateway software in the market that enables this ?
Please help. I can add more points if needed.
We have a client who needs the following arrangement.
1. There is 1 main server acting as a proxy server to the internet
2. There are a few other additional servers also acting as a proxy server / gateway (sharing internet connection) at specific period of times.
3. All computer connected to LAN will need to discover available proxy servers to go to internet without manually changing the internet options. If (2) is available then use one of those servers to go to internet, otherwise then use (1). If needed a client side software can be installed at each of this PC.
How can I implement this ? Is there any gateway software in the market that enables this ?
Please help. I can add more points if needed.
Who is Participating?
just check the following two options under IE/TOOLS/INET OPTIONS/CONNECTIONS/LAN SETTINGS:
1) Automatically detect settings
2) Use automatic configuration script
A Description of the Automatic Discovery Feature
http://support.microsoft.com/?id=kb;en-us;296591
How to Disable Internet Explorer Automatic Proxy Caching
http://support.microsoft.com/?id=kb;en-us;271361
hope it helps,
bbao
1) Automatically detect settings
2) Use automatic configuration script
A Description of the Automatic Discovery Feature
http://support.microsoft.com/?id=kb;en-us;296591
How to Disable Internet Explorer Automatic Proxy Caching
http://support.microsoft.com/?id=kb;en-us;271361
hope it helps,
bbao
Microsoft Internet & Security Servers: http://www.microsoft.com/isaserver/
They have the advance proxy server capabilities.
They have the advance proxy server capabilities.
If you just have multiple gateways, in the client's settings, you can go into the tcp/ip settings, click advance, and then add multiple gateway IPs. The client should attempt each gateway until it can get out into the world.
The best thing you can do, is to install a Primary Proxy Server that all clients should use as default - Microsoft ISA Server is fine for this job but a little pricey.
This proxy server, should handle backup routes/proxies to the internet when the primary route is not available. So, if you are using dial-up routes to the internet, when the primary route is down the proxy server will aytomatically use the next available...
If you need more help you should tell us what proxy software is running on your main server and what on the others
Regards,
Kostas
This proxy server, should handle backup routes/proxies to the internet when the primary route is not available. So, if you are using dial-up routes to the internet, when the primary route is down the proxy server will aytomatically use the next available...
If you need more help you should tell us what proxy software is running on your main server and what on the others
Regards,
Kostas
http://wp.netscape.com/eng/mozilla/2.0/relnotes/demo/proxy-live.html ... and all is clear. Works good with IE and/or Netscape .
Hi all.
Thanks for the response.
I can't ask the client to modify any internet / tcp/ip settings.
I try to look at the ISA server webpages but they dun seem to show me that it can do what I want to implement. can anyone point me to the right place ?
Thanks for the response.
I can't ask the client to modify any internet / tcp/ip settings.
I try to look at the ISA server webpages but they dun seem to show me that it can do what I want to implement. can anyone point me to the right place ?
As you are write , "If needed a client side software can be installed at each of this PC." so...
Another solution could be Cascaded-Proxyes, but will return at the same ...'problem' : the clients must modify the browser configuration.
Depends of the actual configuration, while the default IE config is "Automatic discover....", the answer of bbao should be ok .
Anyway, read better the pages about proxy.pac
Another solution could be Cascaded-Proxyes, but will return at the same ...'problem' : the clients must modify the browser configuration.
Depends of the actual configuration, while the default IE config is "Automatic discover....", the answer of bbao should be ok .
Anyway, read better the pages about proxy.pac
> I try to look at the ISA server webpages but they dun seem to show me that it can do what I want to implement.
> can anyone point me to the right place?
here is the related documents issued by microsoft:
http://www.microsoft.com/resources/documentation/isa/2000/enterprise/proddocs/en-us/isadocs/cmt_autodetect.mspx
frankly, i am afraid if KOTiS's comment {http:#11961013} is what the asker expected.
hope it helps,
bbao
> can anyone point me to the right place?
here is the related documents issued by microsoft:
http://www.microsoft.com/resources/documentation/isa/2000/enterprise/proddocs/en-us/isadocs/cmt_autodetect.mspx
frankly, i am afraid if KOTiS's comment {http:#11961013} is what the asker expected.
hope it helps,
bbao
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You can download an "eay-to-install" windows version of squid from this location:
http://www.bofi.camelot.de/squid.htm#Download|outline
If you don't have a problem configuring squid, then you can download the official version from here:
http://devel.squid-cache.org/projects.html#nt
or here:
http://www.acmeconsulting.it/pagine/opensource/squid/squidnt25.htm
Then, after proper configuration, you only have to add the required entries on your squid.conf file to support the peer_cache. Look here for more info:
http://squid-docs.sourceforge.net/latest/html/x2088.html
You use the cache_peer option to configure the peers that Squid will communicate with. Other options are then used to select which peer to pass a request to.
Regards,
Kostas