"421 service not available, remote server has closed connection."
I tried to do ftp to one of the unix server .
ftp hostname
password
It get connects when i do any command it throws error
ftp> ls
"421 service not available, remote server has closed connection." (1 Reply)
Hi Everyone,
Good day.
Scenario:
2 unix servers -- A (SunOS) and B (AIX)
I have an ftp script to sftp 30 files from A to B which happen almost instantaneously i.e 30 sftp's happen at the same time.
Some of these sftp's fail with the following error:
ssh_exchange_identification: Connection... (1 Reply)
Hi All,
When i try to do ssh from a linux to solaris box its throughing "Connection closed by remote host". Please not that this error is not occuring every time i do ssh, it occurs at random timing( Mostly ssh is successful) - unfortunately my script which is doing ssh is falling at this time... (4 Replies)
How do I gain control of the "Connection closed by foreign host" message telnet yields when you connect to it in a shell script? I'm using the output:
#!/usr/local/bin/bash
count=$(ping -c 1 $1 | grep 'received' | awk -F',' '{ print $2 }' | awk '{ print $1 }')
if ; then
echo "$1 PING "... (2 Replies)
OS: Solaris 8 Sparc
server1:userA:/home/userA# ssh userB@server1
Connection closed by < IP address>
Problem: From being a userA, I am unable to connect/ssh to the same server as when trying to use a different account. (userB)
Do you know where can i start checking? Here are some... (3 Replies)
I am trying to connect to my HP server from remote machine.
It gets connected but once credential are provided the connection is closed.
adroit:/home/seo/hitendra 32 ] telnet myserv1
Trying...
Connected to myserv1.
Escape character is '^]'.
Local flow control on
Telnet TERMINAL-SPEED... (4 Replies)
Hi All,
I am new to Redhat Enterprise Linux 6 version. I am facing an issue with my lab server which is having RHEL6
lab1:root> uname -a
Linux lab1 2.6.32-358.18.1.el6.x86_64 #1 SMP Fri Aug 2 17:04:38 EDT 2013 x86_64 x86_64 x86_64 GNU/Linux
I am getting this error for every 18 minutes 30... (0 Replies)
Hello Everyone,
My following script is giving me problems, when the SIP trunk goes down and the telnet session is started and just when the command is about to complete the connection is closed then script restarts.
I have noticed that as soon the script types in "sys re" or "sys rebo" or... (6 Replies)
In program, I want to telnet the ports present in telnet.txt file and capture screenshot of open port which is opened on new terminal.
Problems:
Escape character is '^]' and Connection closed by foreign host.
Loop is not working properly. It only take one ports and closed the connection.
... (9 Replies)
Hello,
I'm trying to learn and automate some tasks via a script, but my first ever script failed with "connection closed by foreign host" error. I checked the other discussions but it didn't help. Could you please help?
#!/bin/bash
( sleep 2
echo open x.x.x.x 23
sleep 2
echo user
sleep 2... (1 Reply)
Discussion started by: Myrtle
1 Replies
LEARN ABOUT FREEBSD
tcpdrop
TCPDROP(8) BSD System Manager's Manual TCPDROP(8)NAME
tcpdrop -- drop TCP connections
SYNOPSIS
tcpdrop local-address local-port foreign-address foreign-port
tcpdrop [-l] -a
DESCRIPTION
The tcpdrop command may be used to drop TCP connections from the command line.
If -a is specified then tcpdrop will attempt to drop all active connections. The -l flag may be given to list the tcpdrop invocation to drop
all active connections one at a time.
If -a is not specified then only the connection between the given local address local-address, port local-port, and the foreign address
foreign-address, port foreign-port, will be dropped.
Addresses and ports may be specified by name or numeric value. Both IPv4 and IPv6 address formats are supported.
The addresses and ports may be separated by periods or colons instead of spaces.
EXIT STATUS
The tcpdrop utility exits 0 on success, and >0 if an error occurs.
EXAMPLES
If a connection to httpd(8) is causing congestion on a network link, one can drop the TCP session in charge:
# sockstat -c | grep httpd
www httpd 16525 3 tcp4
192.168.5.41:80 192.168.5.1:26747
The following command will drop the connection:
# tcpdrop 192.168.5.41 80 192.168.5.1 26747
The following command will drop all connections but those to or from port 22, the port used by sshd(8):
# tcpdrop -l -a | grep -vw 22 | sh
SEE ALSO netstat(1), sockstat(1)AUTHORS
Markus Friedl <markus@openbsd.org>
Juli Mallett <jmallett@FreeBSD.org>
BSD January 30, 2013 BSD