Dec 25
If you receive the following error on restating iptables on a VPS:
error message: from firewall software ~ iptables: Unknown error 4294967295
you need to make sure the required iptable modules are loaded in the host server kernel. You have to use modprobe to load the following modules in the kernel:
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Dec 25
You may come across with a “numiptent” error message while restarting iptables or whatever firewall (say csf) you have installed on your VPS. The error appear as follows:
The VPS iptables rule limit (numiptent) is too low (200/250) – stopping firewall to prevent iptables blocking all connections
There is a limit on the number of iptables packet filtering entries for a VPS and if the iptable rules added on a VPS exceeds the “numiptent” set, you will receive the given error message.
To make sure iptables works properly on a VPS, you need to increase the “numiptent” value in the VPS configuration file which is located at /etc/sysconfig/vz-scripts/veid.conf and have to restart the VPS.
Dec 25
How to change Port speed OR Network Interface Speed?
To set a specific speed limit on a Network Interface say 10mbps, edit the file network interface file and set the limit which will make the changes permanent even after a reboot.
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Aug 1
Well, here is another net-based optimization script i have for you. It also is not a masterpiece, but when you include this with everything else, this small addition is the topping to the cake.
Apache apc asterisk backup check for a ddos Cluster convert image date Directadmin Disable wget disk full DNS DNS recursive domlogs exim exim remove queue ffmpeg grep kernel Lighttpd list ban ip MAC OS mail server memory mod_geoip move account mrtg ms sql mysql mytop perl port proftpd proxy qmail RPMforge ruby on rails security security perl sed SquirrelMail swap sysctl VMWare win2k8
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