tcpdump

  1. N

    Open TCP session

    I am getting the relatively high number of open TCP session, can anyone please help me understand how can I increase the limit and is it safe to increase it, depending on server resources. Total: 1079 (kernel 1593) TCP: 40140 (estab 283, closed 39387, orphaned 0, synrecv 0, timewait...
  2. Rob

    How to test open UDP ports

    You've opened a UDP port on your server but not sure how to check if you can reach it from the outside. When testing TCP ports, you can check with tools like nmap or nc only from the outside, but the nature of UDP is that it doesn't send anything back so you need to monitor the port on the...
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