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Full Discussion: Telnet connection closes before i execute GET command
Top Forums Shell Programming and Scripting Telnet connection closes before i execute GET command Post 303020520 by mohtashims on Sunday 22nd of July 2018 01:19:48 AM
Old 07-22-2018
Tools Telnet connection closes before i execute GET command
I tried the below steps for telnet command from a remote server:

1. telnet myservice.com 443
2. GET / HTTP/1.0
3. Press enter key twice

Please see the output below:
Code:
   bash-3.2$ hostname 
 remoteserver1 
  bash-3.2$ telnet myservice.com 443 
 Trying 191.172.172.133... 
 Connected to myservice.com. 
 Escape character is '^]'. 
 GET / HTTP/1.0 
 HTTP/1.1 302 Moved Temporarily 
 Server: Oracle-iPlanet-Web-Server/7.0 
 Date: Tue, 17 Jul 2018 14:04:20 GMT 
 Location: https://myservice.com:443/ 
 Content-length: 0 
  Connection to myservice.com closed by foreign host.

But, when I try the telnet command locally [from the same server where https://myservice.com:443/ service is running] it closes the connection even before I could get the response output of the GET command as shown below:
Code:
   bash-3.2$ hostname 
 localserver1 
  bash-3.2$ telnet myservice.com 443 
 Trying 191.172.172.133... 
 Connected to myservice.com. 
 Escape character is '^]'. 
 GET / HTTP/1.0 
  Connection to myservice.com closed by foreign host.

So, like you can see above the connection gets closed even before the GET command could return any output.

Please share a fix so that I can fire the GET command before the telnet connection closes.
Last edited by mohtashims; 07-22-2018 at 04:34 AM..
 

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LEARN ABOUT DEBIAN

vdetelweb

VDETELWEB(1)						      General Commands Manual						      VDETELWEB(1)

NAME

       vdetelweb - Virtual Distributed Ethernet Telnet and/or Web management module

SYNOPSIS

       vdetelweb [ --web ] [ --telnet ] [ --nodename nodename ] [ --daemon ] [ --rcfile rcfile ] mgmt_socket

DESCRIPTION

       vdetelweb implements a tiny telnet server and/or a tiny web server for the remote management of a VDE2 switch.

OPTIONS

       -w, --web
	      start the web server. At least one of --web or --telnet must be set.

       -t, --telnet
	      start the telnet server. At least one of --web or --telnet must be set.

       -n, --nodename nodename
	      specify  the  nodename as seen from remote connections (e.g. in the command prompt or in the web page title). uname nodename is used
	      when this option is not specified.

       -d, --daemon
	      run as a daemon, using syslog for logging.

       -f, --rcfile rcfile
	      rc file to set the initial switch configuration.	When not specified, vdetelweb searches for ~/.vde/vdetelwebrc and /etc/vde/vdetel-
	      webrc. At leas one rc file must exist and be readable.

       -h, --help
	      print help. please use it for a more complete list of options.

       mgmt_socket
	      is  the  managemnt  socket  used to communicate with the vde_switch.  (This option must match the path used in the -M option for the
	      vde_switch).

NOTICE

       Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik  und  Informationstechnik"
       i.e. the German "Association for Electrical, Electronic & Information Technologies").

SEE ALSO

       vde_switch(1), vde_plug(1), vdeq(1).  dpipe(1).	unixterm(1).

AUTHOR

       VDE is a project by Renzo Davoli <renzo@cs.unibo.it>

Virtual Distributed Ethernet					   June 16, 2008						      VDETELWEB(1)
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