General :: Telnet 1000 Failed?

Jul 20, 2010

I have a temlnet problem -telnet 1004 failed.

At, "telnet" make connection successfully at port 23, however "telnet 1000" does not make connection at port 1000.

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General :: Configure 1000 Base T Ethernet Card To Send At 1000 Base T?

Sep 22, 2009

I have a router that is 1000 Base T and two computers each with ethernet cards that support 1000 Base T. All are equipped with Cat 5e cable. Before I had a router that only went up to 100 Base T and I would setup one box with linux running proftpd. On the other box,I would use win xp pro and use firefox to ftp into the other box and download a file. Download speeds went up to 11.2 MB/sec. Now when I switched routers, I expected something like 120 MB/sec but I'm only getting 5.3 MB/sec. What do I need to change?

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Networking :: Failed Http And Telnet Connections To Dns Round Robin Servers

Dec 2, 2008

So we have DNS round robin set up for 4 servers. If we ping dns name (basically an alias) server_connect it resolves with different IP address in round robin format. I.E. x.x.x.1 x.x.x.2 for the 4 different server IP addresses. When we do nslookup server_connect it will come back first time as server1_connect server2_connect through server4_connect so the server is able to resolve through ping and nslookup resolving the initial dns name (alias) to the dns name associated in the round robin. Problem is when we try to connect with http or telnet it comes back host unrecognized. I can put one of the 4 round robin servers in /etc/hosts and it connects fine so I'm thinking that either one of three things.
1) ttl
2) It does double connection first to identify itself to the round robin server and then handshake but second time it hits for the handshake the IP and dns name is different than what it expected so it fails.
3) Since we are trying to telnet to dns alias and it is returning different dns name it fails.

2 and 3 seem most promising but now I'm at a stand still.Anyone else come across this issue and if so how did you resolve.

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Networking :: Difference Between Krb5-telnet And Ekrb5-telnet

Feb 18, 2010

I am trying to find the difference between the above two services. Both are under xinetd and can someone please explain the difference between them (is one more secure than the other one?)

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General :: Windows 7 Startup CD And 1000% Reformatting Of HDD

Aug 8, 2010

I'd like to COMPLETELY erase all the contents of my HDD to give it a new lease in life (doing a clean re-install of my OS's) How do I create a start up disk from Windows 7 that will allow me to access DOS and use format.exe /all /q otherwise, is there a Linux counterpart? I want the HDD to be as if brand spanking new...

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General :: Hp Mini 1000 Freeze During Install

Sep 22, 2010

I have tried several different distros - but none seems to work. The pc is a HP mini 1000 with 16 Gb flashdisk, 1 Gb ram, American keyboard. It had an Win Xp installed when it was bought. Later it worked with an Ubuntu. My older son, who owned the pc before me, will not give me his password. He wanted me to install a fresh, new Linux.

I have now tried to install Ubuntu, Knoppix, PcLinux, Mandriva, Feodora and a few more, using the universal usb installer. Ubuntu, Slacks and Mandriva works fine from the usb-key. But when I try to install to the minis flashdisk, it freezes.

Ubuntu stops during the install process just after I have selected the keybord (I have tried default English and Danish).

Mandriva lets me format the flashdisk, but freezes with white screen just before the install is finished. There after Mandriva can start booting from the minis flashdisk, but it stops for a long time showing the startup screen. After very long time I get a terminal screen asking for login name and password. (I guess Mandriva wants the password from my sons Linux installation).

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General :: Windows - Change Background Color Of 1000 Jpg Files?

Jul 10, 2011

I have 1000 jpg files in which all have a white background. Is is possible to change the white background color to red (for example) of all the files in order not to have to do it one by one ?

I would prefer to use Linux but I can handle Windows.

For example, change this Logo with white background to red background.

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General :: Finding A File Which Is Being Written Recently In Directory Of 1000 Files?

Apr 13, 2011

How to find a file which is being written recently in directory of 1000 files?

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General :: Allow Telnet From One Ip Segment?

Mar 8, 2010

I want to allow only ip segment( to telnet the server(RHEL-7.3).How this can be done using iptables?In the server i gave this command:

# iptables -I FORWARD -s -p tcp --dport 23 -j ACCEPT
output is
0 0 ACCEPT tcp -- * * tcp


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General :: Can Ssh Into Ubuntu But Cannot Telnet

Aug 21, 2010

i set up a MAC power pc with ubuntu. i can ssh into it, but i cannot telnet. this is what i get when i telnet to the host i can only telnet to port 80


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General :: Compiling Telnet Client?

Apr 26, 2010

i have a telnet client src rpm. I need to make some changes in the src and recompile it. i am having problems recompiling src rpm

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General :: Connect To Telnet To Server

Mar 24, 2010

I would like to make a telnet connection to one server. I can't do this at first beceause i necesary to connect to another server. I use the program putty and this is the command to connect to my first machine:


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General :: Setup/enabled Telnet Only For Particular Dir?

Oct 11, 2010

how do I setup/enabled telnet access only for particular directory, when any user log-in on to my server, he gets something like below pattern on to remote server, and only login to specified directory, also he need to run few bash commands.

[ravi@mydomain00 ~]$ telnet
Connected to (
Escape character is '^]'.


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General :: Install Telnet In Fedora 8?

Mar 9, 2010

I need to make a test on Fedora 8, with a Telnet... and seems NOT to beenabled.The package is installed, but if I have a look into /etc/xinedtd thereis no TELNET file ?Is there any changes into FEDORA 8 ? How to I configure Telner in Fedora 8 ?

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General :: Need To Open Telnet Port

May 6, 2011

I am trying to open the telnet port on my system with port 4100 and for the same i have inserted the entries in iptables file using below command./sbin/iptables -A INPUT -s -p tcp �-dport 4100 -j ACCEPT.

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General :: Unable To Login Using Telnet?

Sep 8, 2010

I was just checking the configuration file of /etc/xinetd.d/krb5-telnet and i thought of enabling the telnet.I modified the configuration file accordingly and restarted the server.

# cat /etc/xinetd.d/krb5-telnet
# default: off


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General :: Unable To Do Telnet On Centos 5.5

Apr 6, 2011

i am on CentOS 5.5 ,and unable to do the Telnet. SElinux is in Permissive mode and firewall is off. below are the details for the help. i tried it before and after disabling the firewall and SELinux.


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General :: Telnet Not Working For Localhost?

Apr 14, 2011

I've tried searching for this peculiar behavior, but couldn't find a solution that works for it - I have installed Redhat on my system and have a listener running on port 7878. I wanted to check if the port is accessible from a machine on the network, and so i telnet-ed from a remote machine and it worked. Now comes the weird problem - I used the same command (telnet 7878) locally and it was able to telnet. However, if I try to connect using localhost, meaning, "telnet localhost 7878" or "telnet 7878", it gives me the following error:

telnet: connect to address Connection refused
telnet: Unable to connect to remote host: Connection refused

Here is my /etc/hosts entry:

# Do not remove the following line, or various programs
# that require network functionality will fail. localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6


Not sure where the problem is. I expect telnet to connect irrespective of whether i use the IP address OR localhost when i use telnet locally.

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General :: Not Able To Connect System Pc Via Telnet / Why Is So?

May 10, 2010

How to eneble telnet in linux based os?

I'd tried this command:

telnet my pc ip & name

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General :: Configure A Command To Run On Login Through Telnet?

Feb 9, 2010

I want to run a command every time I log in to my Ubuntu box, but only if I'm connecting through telnet, not if I'm logging in at the console.

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General :: Automated Telnet For Testing Servers

Aug 20, 2009

So I have a script that is supposed to check to see if a mail server is up and responsive. What I want to know is how I can send it the telnet escape character. I've tried:VAR=`(sleep 5;echo quit) | (telnet 25 2>&- )`

This works BUT there is a problem as the mail server may have been accidentally firewalled off. If this happens, my automated checking script will hang. What I want to do is send the escape character so that the '>' prompt comes up. They I should be able to send it "quit" even if it is hung on not getting a response from the server. VAR=`(sleep 5;echo -e '^]';sleep 1;echo quit) | (telnet 25 2>&- )`

The above doesn't work. telnet interprets CTRL+] as '^]' but you can't type '^]' and get the same effect. So I guess what I need is to send the actual keystrokes. Like echo "somenumber" ; echo quit

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General :: Disable Telnet And Ssh For A Specific User?

Nov 12, 2010

I am looking for a way to deny telnet and ssh to one specific user. So far I've only tested with telnet and my attempts have been limited to various hosts.deny entries:

in.telnetd : user@server
in.telnetd :
in.telnetd : user@IP_address
in.telnetd :

None of these work. The only thing I've found that does work is:in.telnetd : IP_addressBut this is only a semi-viable solution because we will soon have multiple logins for the one username from different servers and sub-nets. Ideally, I'd like to be able to deny telnet and ssh access to this username regardless of where the login originates. I suppose it would be possible to specify each server IP, but that'll be a bear to maintain

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General :: Disable Telnet Command From Client End?

Jul 20, 2011

From Linux client end I can easily telnet to a remote Linux server easily , Like :

[root@apps1 ~]# telnet
Connected to (
Escape character is '^]'. (Linux release 2.6.18-8.el5 #1 SMP Tue Jun 5 23:25:19 EDT 2007) (1)

But I want to disable the "telnet" command from the client end , so that I cannot telnet to a remote linux server from the Linux client end

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General :: Enable Root Telnet On SLES 11?

Oct 13, 2010

I have a task I need to enable root telnet on SLES 11.I know about security hole, it is a must requirement accordingly to executing some scripts.Telnet works for the other user , but not for rootSSH work properly.Added pts/0 .. pts/24 to the /etc/securetty

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General :: Telnet External IP Connection Refused

May 23, 2011

I have CENTOS 5.4 Installed in one machine and i used Real IP provided by our ISP.My requirements for Mailserver are:


everythings done but when i tried to telnet my External IP it giving me an error of telnet connection refused but i can able to ssh to my external IP and also i disabled the firewall but still no luck.

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General :: Telnet Ipaddress Port Not Connecting?

Nov 11, 2009

In a remote machine port 25 is open its enabled in firewall also...but not able to connect through telnet..why ?

netstat -an | grep 25


tcp 0 0* LISTEN
tcp 0 0* LISTEN



telnet 25

telnet: connect to address No route to host

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General :: Telnet Localhost 143 And A No Login Gailed?

Jul 22, 2011

telnet localhost 143Trying to localhost.localdomain (
Escape character is '^]'.* OK [CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE ACL ACL2=UNION STARTTLS] Courier-IMAP ready. Copyright 1998-2005 Double Precision, Inc. See COPYING for distribution information.a login rakesha NO Login failed.i have problem when Installing Courier-imap/imaps with Courierpassd .

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General :: Telnet To 587 Not Connecting?

Aug 27, 2010

In my home we have got an internet connection which is connected to desktop machine having two network cards. One card is connected to external internet and second is used for internal LAN.

We have installed a proxy on desktop machine so that we can connect to internet through proxy. So we are not able to telnet to 587 from laptops of internal LAN laptop installed with ubuntu and fedora.

At the same time we are able to ping from the desktop machine which is exposed to internet.

I want to automate email through shell script using

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General :: Unable To Telnet To A Windows Server Machine?

Aug 28, 2010

Why am I not able to telnet to a Windows server machine? Is it because the telnet server is not running there? A remote desktop connection works though.

Does a telnet server run by default on a Unix machine?

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General :: Create Tunnel To Utilize For Telnet Connection?

Nov 8, 2010

Machine A is located behind client firewall. The machine runs telnetd. This is Linux machine with Python 2.5.4 installed. I do not know the IP addy of the router and firewall is not open incoming. outgoing firewall is open.

Machine B (Windows machine) is a server with well known IP address. I can install any programs I want on either machine.

The idea is that I want Machine A to open a socket to machine B. Then I want to hold that socket and use to run a telnet session from Machine B to Machine A telnetd server.

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