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number of connections with Linux

Posted on 1997-02-21
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Last Modified: 2010-03-18
1.  How many FTP and Telnet connections does a Linux
machine allow and how many www connections does it allow?  And what are the variables that determine these
numbers (for example, web server etc.....)?
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Question by:mmhamze
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Linux (mine: 1.2.13) allows up to 128 connections, including http connections, but some browsers (e.g. Netscape) usually limits this number. by default - 4 connections.

To change limit of Linux connections up to 256 (maximal opened files), you have to increase NSOCKETS_UNIX in file /usr/include/linux/net.h; and if you wanna increase it more, you need change NR_OPEN in file /usr/include/linux/limits.h.

don't forget to rebuild kernel after that

and if you wanna to change tcp connections in Netscape navigator, you have to change field "connections" in Options->Networkpreferences->Connections
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