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Proxy 2SP1 services hanging

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8 replies

by rsp

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I have two proxy servers running version 2SP1 on NT4 SP5 IIS3, set up as caching servers only, behind a firewall. Every now and again, the web proxy, FTP and winsock proxy services will hang - not always all of them. The services can't be stopped. Only a reboot cures it. They do a scheduled reboot every 1hr, but that's not acceptable. The time taken for the hang to occur varies from 5 minutes to several days. Both servers are different hardware, so it's not that at fault. I've tried re-service packing the servers, but still have the same problems. One has only recently been rebuilt. I've noticed sometimes, but not always, active connections to 0.0.0.0, various ports - does this have any bearing on the situation? Can anyone help? Could theybe being attacked? How do I find out? TIA.

8 replies

by ffrr

Do you have any Anti Virus software running on these servers?
I have had problems with Virus Software stopping the Proxy services, sometimes completely trashing the install.
If this is the case try removing Proxy, IIS, disable the AV services, reboot, reinstall IIS, Proxy, make sure it works, reboot and reinstate the AV services..
Hope this helps..

by k.o.z.

Disable the logging on the Proxy Server. I've had this exact same problem and that is the only thing that corrected the problem. We recented enabled the logging again and the problem occured. Currently, we need to continue the logging so it's a problem we're living with. Hope this helps!

by rsp

I've tried disabling the logging, but the issue still remains. Sorry.

by rsp

Point value changed by question poster.

I'm still having the problems listed above. A little more detail:

When the services hang, an FTP connection can be made, but no login prompt is given.

When using a browser directed to the proxyserver, an error returns after about 10 seconds saying the web server (on the internet) cannot be contacted.

by ramy naguib

NT SP5 has some problems with proxy ,especialy if are using proxy clients installed on the clients.
Simply install NT SP6a and your problem will be solved.

by rsp

Some combination of disabling caching and logging, applying SP6a, and re-enabling logging, but moving the log-files every night seems to have cured it.

I don't know whether SP6a fixed it, or whether it's a fragmentation problem, but I'm relatively happy now.

Thanks all who gave input.
Richard

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