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slow down ping rates

You may want to keep the ability to reply to pings, but protect yourself from a form of attack known as a ‘ping flood’. So how can you manage such a feat? The easiest way is to slow down the rate at which the server replies to pings. Continue Reading…

 

stop replying to pings

While ping is a very useful command for discovering network topology, the disadvantage is that it does just that, and makes it easier for hackers on the network to target live servers. But you can tell Linux to ignore all pings – the server simply won’t respond. Continue Reading…

 

transferring files without ftp or scp

Need to transfer a directory to another server but do not have FTP or SCP access? Well this little trick will help out using the netcat utility. On the destination server run:

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finding large files

A common problem with computers is when you have a number of large files (such as audio/video clips) that you may want to get rid of. You can find the biggest files in the current directory with:

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exim tips

. Useful Commands (do not include brackets!)

See the mail queue count:

exim -bpc

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