Need to know reason for connections closed in netstat -p tcp Post: 302899605

8 More Discussions You Might Find Interesting

1. SCO

tcp port always closed in inetd

sco unix 5.0.x, several weeks ago, I add a telnet-like service in inetd.conf, it runs well for 100 network terminals. But nowdays, the terminals can connect to server successfully after booting machine, but several hours later, can not connect. "netstat -p tcp -a" can NOT find the port in...

2. Post Here to Contact Site Administrators and Moderators

Thread was closed without a valid reason

Dear Administrators, I think Mr. Vino is one of your Moderators here because he closes this thread: https://www.unix.com/showthread.php?p=302086230#post302086230 without a valid reason. Rule 7 states no headhunters or recruiters, but career advice is not prohibited here i think, because it...

3. SCO

all tcp are CLOSED on SCO Unix on VMWARE

Hi folks, First of all, sorry about my english, isn't the best and thks for advance. Here es my problem... I have virtualize an SCO unix with VMware ESX 3 and everything was going on beatifull until that i try to connect from anorther host, i can't do it so i check the connection with...

4. Red Hat

How to kill all active tcp connections from an IP?

How to kill all active tcp connections from an IP? I am using CentOS

5. Solaris

How to kill the TCP ESTABLISHED connection in netstat

Hello, Actually there are some bugs in application which does not close the TCP connection to other server though CORBA. We need to kill that ESTABLISHED connections as new connection are not happeneing as the allocated ports were used and showing as ESTABLISHED Is there any...

6. UNIX for Dummies Questions & Answers

TCP failed connection attempts from netstat -s

Dear experts, I am seeing a lot of TCP failed connection attempts from "netstat -s" on one of our servers. How can I pin point what connection failed and what are the ports involved? Any tools/commands I can dig in deeper to diag. what went wrong on these "failed connection attempts"? ...

7. Solaris

Connections closed for all applications

I've recently installed Solaris 10 10/9 in a new Dell Power Edge 630. Whenever I try to telnet, ssh, or FTP TO this box FROM another box on the same network segment, the following occurs: Roughly 80% of the time I get "Unable to connect to remote host: Connection refused" The remaining 20%...

8. IP Networking

Connections not shown in netstat output

I have a TCPIP server application (a Vendor package) which by default allows 10 connections. It provides a parameter to allow us to increase the maximum allowable connections in case it is needed. Intermittently this application is failing with maximum number of connections reached even when there...

LEARN ABOUT CENTOS

tapset::tcp

tapset::tcp(3stap)														tapset::tcp(3stap)

NAME

       tapset::tcp - systemtap tcp tapset

DESCRIPTION

	This family of probe points is used to probe events that occur in the TCP layer,

       tcp.sendmsg
	      Sending a tcp message

	       See probe::tcp.sendmsg(3stap)
	       for details.

       tcp.sendmsg.return
	       Sending TCP message is done

	       See probe::tcp.sendmsg.return(3stap)
	       for details.

       tcp.recvmsg
	      Receiving TCP message

	       See probe::tcp.recvmsg(3stap)
	       for details.

       tcp.recvmsg.return
	      Receiving TCP message complete

	       See probe::tcp.recvmsg.return(3stap)
	       for details.

       tcp.disconnect
	      TCP socket disconnection

	       See probe::tcp.disconnect(3stap)
	       for details.

       tcp.disconnect.return
	      TCP socket disconnection complete

	       See probe::tcp.disconnect.return(3stap)
	       for details.

       tcp.setsockopt
	      Call to setsockopt()

	       See probe::tcp.setsockopt(3stap)
	       for details.

       tcp.setsockopt.return
	       Return from setsockopt()

	       See probe::tcp.setsockopt.return(3stap)
	       for details.

       tcp.receive
	      Called when a TCP packet is received

	       See probe::tcp.receive(3stap)
	       for details.

SEE ALSO

	  probe::tcp.sendmsg(3stap),	  probe::tcp.sendmsg.return(3stap),	 probe::tcp.recvmsg(3stap),    probe::tcp.recvmsg.return(3stap),
       probe::tcp.disconnect(3stap),  probe::tcp.disconnect.return(3stap),  probe::tcp.setsockopt(3stap),   probe::tcp.setsockopt.return(3stap),
       probe::tcp.receive(3stap),  stap(1), stapprobes(3stap)

IBM
									---							tapset::tcp(3stap)