Knowledgebase: Dedicated Servers
Dedicated Servers: Checking Open Connections
Posted by - NA - on 2006-10-16 12:59:48 PM

Note: This knowledgebase article is only relevant for customers who have a dedicated server or VPS account from

Here is a command line to run on your server if you think your dedicated server is under attack (such as a DoS - Denial Of Service). It prints our a list of open connections to your server and sorts them by amount.

netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n

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