The Transport Control Protocol (TCP) is a low-level part of the protocol stack used by the Internet. It sits directly above the IP layer and is responsible for making sure that dropped packets are resent.

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Bind unprivileged application to privileged port on Mac OS X

I'd like to create launchd.plist file for an httpd server. Problem is - when the httpd is run as privileged user it daemonizes, which is not allowed by launchd.plist manual page. If I don't run it as ...
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Port monitoring on GNU/Linux based NAT router

I am using a Ubuntu machine as a NAT router. How can I find out the following: the ports on which the LAN machines are listening or communicating (both tcp and udp); which local machines have ...
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169 views

vnc over ssh port assignment

At the office I have on the servers a vnc server running. In Windows I use putty to connect to the server, I log in and then use realvnc to see the desktop. But I cannot get this to work on Linux. I ...
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1answer
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Need further explanation on TIME_WAIT

Hi Unix/Linux Gurus out there! I need a solid proof that TIME_WAIT (a lot of it actually) is the real culprit in the slowdown in one of our servers. The server is hosted on Parallels Baremetal ...
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1answer
565 views

Select YeAH-TCP like congestion control algorithm to configure kernel

I'm configuring/compiling the 2.6.37 kernel and I want select YeAH-TCP like default congestion control algorithm but, although I enable this option (CONFIG_TCP_CONG_YEAH), it doesn't show in the ...