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22 votes
1 answer
36k views

Is there a hard limit of 65536 open TCP connections per IP address on linux?

Is there a hard limit of 65536 open TCP connections per IP address on linux? I read somewhere that there was, but someone is asking for confirmation and i just can't find it. I seem to remember it ...
Chris's user avatar
  • 1,814
1 vote
1 answer
3k views

What does netstat mean by "acknowledgments not containing data received"?

Netstat reports some TCP packets in the following category acknowledgments not containing data received. However, I'm not clear what this phrase means. Goggling and the netstat documentation don't ...
Matthew Churcher's user avatar
0 votes
1 answer
86 views

Which element of network refused connection

How could I determine, which element of the network actually refused/closed the connection?
Ency's user avatar
  • 17
1 vote
2 answers
3k views

Finding all processes that are using a given port [duplicate]

Possible Duplicate: Finding the process that is using a certain port in Linux More specifically, how can I find out what processes are using port 8080 (for example a web server)?
Bunny Rabbit's user avatar
3 votes
2 answers
3k views

Manually forcing TCP connection to retry

I have a TCP connection (SSH session to some computer for example) Network suddenly goes down and drops all packets (disconnected cable, out of range). TCP resends packets again and again, retrying ...
Vi.'s user avatar
  • 17.3k
1 vote
3 answers
8k views

Tcp Port Open by Unknown Service

Running openSUSE 11.2 x86_64. Here's what a nmap of my IP provides: PORT STATE SERVICE 23/tcp open telnet 80/tcp open http 2800/tcp open unknown 8008/tcp open http I would like ...
meh's user avatar
  • 13
6 votes
7 answers
9k views

(linux) tool to monitor "quality" of tcp connection?

I am looking for a tool to monitor the quality of a TCP connection. I am trying to describe what I mean: It should be a tool with a client and a server part. The client sends, say, 1kB of data per ...
ernesto che's user avatar

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