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There seems to be some 'lingering' SSH connections on my server. How do I fix it?

[root@server mike]# w 14:43:35 up 83 days, 1:25, 1 user, load average: 0.00, 0.00, 0.00 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT mike pts/1 dsl-IP.w 14:43 ...
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1answer
188 views

Please recommend an affordable cisco product capable of handling up to 100,000 plus simultaneous tcp connections [closed]

I am setting up my server lab, can you please recommend an affordable and very reliable router than can handle over 100,000 simultaneous open tcp connections without breaking a sweat? Thanks!
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1answer
2k views

Iptables, NAT: avoiding limit on max number of requests per IP by using multiple IPs

In my network, there is a machine which has to make a http request towards a server which is beyond a firewall. This machine's ip address (as seen from beyond the firewall) can be chosen from a pool ...
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1answer
2k views

Apache spawning hundreds of processes and pushing up load averages

I run a site with about 100,000 visits a day and lately the load averages sometimes hit the roof (250+). They are normally about 0.5-1.5, so I assumed a (d)dos attack. The number of apache processes ...
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2answers
3k views

Enabling Classic ASP Connection Pooling in IIS 6.0

We have an application running on Classic ASP which I'd like to get to use connection pooling. The application currently uses this as its connection string: "Provider=MSDASQL; Driver={SQL Server}; ...
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2answers
562 views

Configuring CentOS for Heavy-ish Traffic

New sysadmin here, managing a CentOS server. This past week has been one of the most exciting weeks of my career, and full of learning all sorts of new things. Today I have another task though, and ...
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3answers
265 views

Splitting a MySQL DB in two may ease server from “Too many connetions”? I don't think so

I was requested to split a MySQL in two, it's kind of a horizontal partition, in which some rows correspond to one site, and some other correspond to another site. But they want to split it in two DBs ...
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1answer
241 views

Webserver concurrent connections

Where can I get statistics of concurrent connections that can be handled by Apache and IIS? Which one will serve more requests in peak times? Thank you, Sri
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1answer
3k views

Kill Leaking Connections on SQL Server 2005

We have a legacy ASP application that somewhere leaks SQL Connections. In Activity Monitor, I can see a bunch of idle processes with Last Batch times over an hour old. When I look at the T-SQL ...
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5answers
854 views

Httpd problem, suspect an attack but not sure

On one of my servers when I type netstat -n I get a huge output, something like 400 entries for httpd. The bandwidth on the server isn't high, so I'm confused as to what's causing it. I'm suspecting ...
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1answer
127 views

Dropped connections between Linux Servers in Data Center

I have a number of linux servers at a us-based datacenter. The servers were installed by the hosting company, and are running fedora core. We're experiencing problems with dropped connections. The ...
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2answers
353 views

Where is the bottleneck?

There is a limit on connections somewhere along the line here... On a windows server 2008 machine, each request to a url running on localhost takes ~3 seconds to complete. This is fine and normal for ...
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1answer
79 views

Does Flash hold connections open on the server?

I have a person asking to serve a Flash movie on our webserver. One of the reasons given for not allowing this is that Flash "holds connections open on the server". This isn't streamed content, it's ...
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1answer
146 views

Determining currently-serving files in IIS 7

serverfault showed me this topic, and I think I want to do the same thing, but in IIS, not Apache. I have a "dashboard" application I'm building and I want it to show what files are currently being ...
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2answers
326 views

Mysql : Number of connections in a given duration

How do I find out how many connections were made to the mysql server in a given duration?
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1answer
4k views

Limit Concurrent Database Connections by SQL Server User Account

I would like to create a SQL Server 2005 user account but limit that user to only allow them to have two concurrent connections to the database at once. Is there any way to do this through SQL Server ...
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2answers
6k views

maximum number of connections Squid

I have a Squid proxy server that controls all internet traffic for my network. I need a way to stop users from downloading big files (say >50MB) in my network. I banned some famous ports (e.g. ...