linux - Netstat continuous refresh (watch changes the output) - Server ...
Netstat continuous refresh (watch changes the output) Ask Question Asked 13 years, 8 months ago Modified 4 years, 6 months ago
linux - How do I get the number of (currently) established TCP ...
ss or netstat only show network connections based on network sockets. that is about connections related with the user processes. If we have some traversal traffic - it is not visible via ss or netstat. to …
How to forcibly close a socket in TIME_WAIT? - Server Fault
Sep 3, 2008 · 133 I run a particular program on linux which sometimes crashes. If you open it quickly after that, it listens on socket 49201 instead of 49200 as it did the first time. netstat reveals that …
linux - How to list all requests to udp sockets? - Server Fault
Dec 5, 2015 · I'm operating a couple of server daemons that use udp to communicate with large number of clients. How do I find and list out all the active udp "connections" that are talking to the servers in …
linux - netstat -ntap doesn't show pid/process name for some ...
The problem is that we have a lot of ESTABLISHED connections that don't show PID nor Program name in netstat -ntap output. Netstat was called from root, there are no chroots, grsecurity, nor anything …
security - Linux list open ports to the outside - Server Fault
Feb 8, 2021 · Please readup on Linux networking. To show listening ports you could start with "netstat -tulpen" or "lsof -i". Linux knows also the concept of firewalls to restrict access.
linux - Huge amount of TIME_WAIT connections says netstat - Server …
Huge amount of TIME_WAIT connections says netstat Ask Question Asked 16 years, 8 months ago Modified 3 years, 4 months ago
Check if port is open or closed on a Linux server?
Sep 7, 2011 · 276 You can check if a process listens on a TCP or UDP port with ss -tuplen (replacement of netstat). To check whether some ports are accessible from the outside (this is probably what you …
linux - Determine process using a port, without sudo - Server Fault
May 8, 2011 · Both lsof and netstat won't tell me the process id unless I run them using sudo - they will tell me that the port is being used though. As some extra context - I have various apps all connecting …
How passively monitor for tcp packet loss? (Linux) - Server Fault
How can I passively monitor the packet loss on TCP connections to/from my machine? Basically, I'd like a tool that sits in the background and watches TCP ack/nak/re-transmits to generate a report on