Cisco Telnet Connection Refused



2 onto an older pentium. I can no longer SSH into remote Cisco SW (C3750) Have you tried to telnet into now that it seems SSH is no longer an option ? connection refused is plenty,. Either the software has the port misconfigured or the service is not running or the protocol is using UPD. I am trying to setup CentOS server 5 with tftp where the Cisco switch configs can be sent. Webmasters or system administrators can verify if the Telnet service is turned on or off. Heya It's been some time since I've done much here but I'm kinda stuck. $ ssh [email protected] 1 telnet: connect to address 127. Upon attempting to activate the connection, the user will see a “Connection refused by remote host” message. I've reversessh working on a openwrt device but now i like to connect to the webbrowser on the remote router. and you connect to a to remote piece of equipment by telneting to the access server with the proper port number. There is no problem with the functionality. Existing (open) sessions are not affected. Tera Term is initialized by information contained in the setup file when Tera Term is started, or when the [Setup] Restore setup command is executed. These are not set in concrete, but will usually aid you in knowing where the problem lies. WinSCP needs an SSH or FTP server to be installed at the other end (on the machine you want to connect to). I followed every step by step guide perfectly but everytime I would try to connect I would get “connection refused error”. Use debugging on the client side. Telnet works, however on one piece of OLD legacy computer UNIX system, it fails. What happens afterward depends on the hardware in between, any firewalls and ACLs in effect, and the service listening on the other side (if any). However, the tried and true method that has worked so well with just about every type of infrastructure device in use today (including Windows Server 2008, Cisco Routers, Linux servers, and more) is SSH. Otra cosa que podemos hacer es un telnet al. ru при этом выдается сообщение "Connection refused by remote host" Для. So I downloaded the utility telnetenable-0. telnet 192. "Connection refused by remote host" I have gone through the Cisco Document 5466 Configuring a Terminal / Comm Server and done things exactly as they have them, and my switch refuses the connection. I'm having some trouble remotely logging into my ASA. PC2# Cool! It looks like adjusting the access list has worked – PC2 fails to access HQ using telnet. System Services Overview, Configuring Telnet Service for Remote Access to a Router or Switch, Configuring FTP Service for Remote Access to the Router or Switch, Configuring Finger Service for Remote Access to the Router, Configuring SSH Service for Remote Access to the Router or Switch, The telnet Command, The ssh Command, Configuring SSH Host Keys for Secure Copying of Data, Configuring the. I get a Network Error: Connection Refused. 0(1) and later. telnet: Command used to perform the connection to a remote device. Symptom: SSH/telnet connection is refused. Plink (PuTTY Link) is a command-line connection tool similar to UNIX ssh. 1 would be able to know what the distinction was between the two, making one build necessary versus another, and whether, based on that knowledge, the latest build could work on the 2. A Cisco router can act as a simple access point router, like the one at your home. Click ‘turn windows features on or off ‘ then on the list that appears simply check the box beside: Telnet Client. Cisco VIRL External Connectivity As you first set up VIRL, it may be confusing what FLAT, SNAT, Management, INT and EXT networks are, how the Linux Container (LXC) jumpbox benefits the simulation, and the differences between Private Project, Private Simulation and Flat networks. In a default configuration, entering quiet mode causes the device to completely refuse any and all new telnet, SSH and port 80 sessions directed towards it. In this article we are going to discuss on How to configure Telnet Server and Telnet Client in RHEL/CentOS/Fedora. In newer versions of the Cisco IOS, both. This message is obtained on both WAN and LAN telnet attempts. In case the port is not specified, telnet utility tries to connect via the default port 23. Subject: % Connection refused by remote host Help, what I am doing wrong here, when I try to connect to the remote router I got the following message % Connection refused by remote host The command that I am using is telnet 2. With a suspended Telnet session, it is possible to reconnect to another router. If you are trying to your server through Putty , make sure through which you want to packet goes through ,is it SSH either Telnet. However, it is sometimes useful to run through an entire test session if you are experiencing problems in order to. com makes it easy to get the grade you want!. We need to have a way to remote access this device, and by default SSH and TELNET are not enabled. Please check your smtp daemon. For Connection 7. The connection will be refused as TELNET port is not opened on PC_2. I'm using GNS3 v1. This script also identifies the equipment for which it is able to connect via SSH or Telnet and then it keeps an archive of the procedures generating critical errors (crash script, misinterpretation of a commanf by the equipment). The same process can be applied to a router but this video uses a real Cisco 3550 Switch. I've tried telnetting to the device, but I keep getting "Connection Refused" errors. But the router itself functions perfectly. I have an account called root in AAA, that has access level 15 and all of it's settings are marked "inherent", but it won't accept my password for either ssh or telnet. Greetings, For some reason, which I don't know how to figure out, our emails to this one specific email domain are being refused. There are 3 types of connection you can establish from Tera Term macro: Telnet connection. Setting up SSH on Cisco Router :-Secure Shell (SSH) is a protocol which provides a secure remote access connection to network devices. Anyone can tap messages from the telnet session. On older Cisco IOS versions, the no service finger command was used. This occurs when trying to connect to a session that is still in progress or was not properly closed with the "disconnect" command. The Telnet connection will also consume an idle session. Ansible has a default inventory file (/etc. Telnet is nothing but a protocol was invented in 1969 used to take remote of systems over Network in text mode or command mode as it is not supports GUI (Graphical User Interface). This Switch is in a large network, and we normally connect via TACACS authentication. This article is going to shows the CCNA students to configure and enable telnet and ssh on Cisco router and switches. The transport input all command should will allow telnet, ssh (and many others). You do not have the required permissions to view the files attached to this post. We know that no one can tap on the console connection since it's directly connected to the Cisco device, but different story for the telnet connection. The Telnet is an old and non-secure application protocol for remote control services. I didn't know the 7960 supports telnet - and it doesn't work on mine (connection refused). If I try to telnet 127. This allow you to reach some servers behind a firewall and to secure your connection. Not only does it encrypt the session, it also provides better authentication facilities, as well as features like secure file transfer, X session forwarding, port forwarding and more so that you can increase the security of other protocols. $ ssh -v [email protected] Once a connection is opened, telnet will attempt to enable the TELNET LINEMODE option. I could use a second set of eyes to make sure I'm not missing anything. If you need immediate assistance please contact technical support. Go to PC_1, open a command prompt and do a telnet to 10. Visit our discussion mailing list for help and join us as a developer if you like. ranging from. hmmm maybe next week I can check your opinion. I am trying connect to this CSR vm from outside the home LAN by configuring the LAN router to port forward tcp port 4001 to the 192. Get to know the NIST 7966. Broadly speaking, you can connect via: The portmanager chooser menu; SSH directly to a port using a number of conventions. See telnet(1) for more information on telnet command-line syntax, telnet options, and. and you can not telnet to the access server until it has an ip address assigned for eth0 and the interface is up and up I'd divide this into two parts. Connection closed by foreign host. We know that no one can tap on the console connection since it's directly connected to the Cisco device, but different story for the telnet connection. I have two Cisco Catalyst 2960-S 48-port switches "stacked" using the Cisco FlexStack module. Conditions: This problem only exists if we have nat entry configured using ip which also exist on an interface, i. CVE-2017-5495. and you connect to a to remote piece of equipment by telneting to the access server with the proper port number. Solution: On a reverse telnet connection, the break has to be generated by the Telnet client on the LAN to a serial device on the IOLAN+ Port. It is mostly used for automated operations, such as making CVS access a repository on a remote server. To install the client Telnet, just type it at the prompt of the Raspberry Pi: sudo apt-get install telnet. Q: I have a Cisco switch in my network, which I can access by hooking up a console cable directly to the device. Parameters Tab. I configured Guest OS's ip settings as follows and I can send ping packets perfectly from both side. But I get the message "% connection refused by remote host". Anyone can tap messages from the telnet session. The only difference is that on my 2811 I can only go. Whenever I try to telnet from a solaris or linux machine to the linux host machine I get a, "Connection closed by foreign host" and it returns me back to the terminal. If you use PuTTY to connect to Secure FTP Server, then: If you use RAW protocol, you get trashes. In this article we are going to discuss on How to configure Telnet Server and Telnet Client in RHEL/CentOS/Fedora. Alternatively, we could also select either Telnet or SSH and enter the IP address of the Cisco Firewall (assuming those have been configured). Tera Term is initialized by information contained in the setup file when Tera Term is started, or when the [Setup] Restore setup command is executed. I like to set up two aliases to save time: (c)# alias exec auxup telnet 127. With OpenSSH, run it with the -v flag. When telnet fails, does it hang and time out or immediately return "connection refused"? Short of a reboot, is there anything that returns telnet functionality? For example unplugging and reconnecting the ethernet cable? Any errors on the connected switch interface? Other IP-based services also broken? SNMP for example?. Download PDF Version By default in Cisco SF 300 switches, telnet and SSH are not enabled, only console and GUI interface is enabled. A Tutorial on How to Configure Cisco Routers and Switches for Telnet Access. Basically, the telnet command will try to establish a TCP connection to the gives address (IP+Port) using the underlying network stack. Usuallt smtp listens on port 25. Does anyone out there know if there is a software terminal server. connect to address 127. This test tells you that you can connect over the port. Question: How do I close a telnet session/window? This article assumes that you've started a telnet connection through the Windows command prompt (you can do so by typing: "telnet address port"). 2 onto an older pentium. 2 says Connection refused by remote hosts what does mean ? PC>telnet 192. line 1 16 telnet break-on-ip And then send a 'telnet break' which the 2511 will then translate into a hardware break. /telnetenable. Then in programs and features there should be a part that says 'turn windows features on or off '. In the past; the Cisco 2500 Series Routers, excluding the 2524 had fixed port(s) configuration ranging from Ethernet, Serial, Token Ring, ISDN and Terminal Lines which in this case it imposed a limit for network investment protection and scalability within an enterprise networks. x: Connection refused. Depending on whether your router is brand new or currently in a production environment, you're going to have to either connect via a Console session or through a Telnet session. The Enter key is used frequently. and you can not telnet to the access server until it has an ip address assigned for eth0 and the interface is up and up I'd divide this into two parts. In the CCNA level, we only know how to connect to Cisco devices using console connection and telnet connection. One solution would be to establish an SSH connection to the gateway server, and then issue another SSH connection from that server to each of the devices via the. If local login authentication is not configured, users will not be able to access Cisco IOS using a Telnet connection into the management Ethernet. I can also ftp to localhost, however I cannot either telnet or ftp to the box from another machine on the same network. Im no expert by any shade of imagination and as far as i know i seem to have done everything that is required but still cannot get access. With PuTTY, go to Logging and select SSH Packets before you try to connect. Usuallt smtp listens on port 25. Todo Backup DataDomain Redes Cisco Configuraciones Curso Posibles soluciones a Connection Refused en Nagios. PuTTY is a lightweight telnet and SSH client for Windows, along with an xterm terminal emulator. If you using encryption, it is SSH which is a complete protocol. Comcast probably doesn't want you connecting to their devices through SSH or telnet, so they just disable that capability. The enable secret command still won't get passed a 'connection refused' message. 20a) Forcing Cisco ports = Speed 10, Half Duplex did not resolve issue. 244 from the cisco router that has an ip address 10. You can change this default telnet prompt key by starting telnet like this: telnet -e p 192. See the picture below. Connection to host. Voilà ce que je faisais sur un Cisco 2924XL avant de pouvoir. Either way, you are going to have to call the s/w vendor. I'm having some trouble remotely logging into my ASA. 1: Connection refused telnet: Unable to. portmanager converts serial data to and from network data, enabling access to out-of-band consoles using network protocols such as SSH and Telnet. If this happens, it is Why don't C++ compilers optimize this conditional boolean assignment as an unconditional assignment?. 2 onto an older pentium. -new RV042G-WAN 1 set to 10. Home > able to ssh/telnet to vty through VRF interface. To connect to the device attached to line 1, a telnet connection to one of the router's IP interfaces at port 2001 needs to be opened. [Cisco 891] Telnet: connection refused; OnePlus 7 Pro (8GB intern) Nintendo Switch Lite LG OLED C9 Google Pixel 3a XL FIFA 19 Samsung Galaxy S10 Sony PlayStation 5. Comment by Bob D'Amore — August 3, 2011 @ 8. Cisco arranges the TCP port correspond with your AUX port by using port starting from port 2000. Trying to get reverse telnet working on AS5350 so we can test modem calls out on new T1 circuit but running into "% Connection refused by remote host". Im no expert by any shade of imagination and as far as i know i seem to have done everything that is required but still cannot get access. I can live with that. 2 Type escape sequence to abort. This usually means that either a firewall is actively denying the connection or the respective service is not started on the other site or is overloaded. This proves that the SSH service is alive at the ASA. Please check your smtp daemon. This is because, login is disabled on all the five telnet sessions we created until a password is set. In this article we are going to discuss on How to configure Telnet Server and Telnet Client in RHEL/CentOS/Fedora. Go to PC_1, open a command prompt and do a telnet to 10. VTY: Virtual Teletype is used to allow a Telnet connection to the router, which will then work like a console port. I have setup telnet and I get connection refused when I try to telnet from router to router. Hello, Setup a new LRT224 and we are noticing a lot of "Connection Refused - Policy violation" messages in the Firewall Log. But I get the message "% connection refused by remote host". Get to know the NIST 7966. You tried to connect to port #25. Hi all, I am unable to telnet to one the 3750 switch. 42a, BOOT 2. connection refused. Start with the basics. The virtual 3278 can also be used in transparent full-screen mode. Networking :: Telnet: Unable To Connect To Remote Host: Connection Refused Jun 12, 2011. Go to File-->Settings-->Advanced-->Session Tracing and turn that on. I like to access the switch remotely using SSH. If Enforce is sees the detection server you should see an ESTABLISHED connection. Telnet is one of the earliest remote login protocols on the Internet. Aux: is an RJ-45 connection on most cisco routers it is same like console with an extra cool feature which allows you to connect a modem to the port, dial into the router, and make a console connection. Solved: Impossible to connect to my serveur with telnet ou ftp. OpenSSH (or Secure SHell) has become a de facto standard for remote access replacing the telnet protocol. I haven't had this trying to get on the VRF interface gets me connection refused. I've completely disabled firewall etc for the purposes of testing. com This is a quick video on how to enable Telnet. To connect to a line rotary, a reverse telnet session is opened to the TCP base port 2000 plus the line number. 2 onto an older pentium. There are five passwords used to secure your Cisco routers: console, auxiliary, telnet (VTY), enable password, and enable secret. First up, the easy one - telnet. In this section, you will configure the terminal server so that you can Telnet to it across the network. I configured Guest OS's ip settings as follows and I can send ping packets perfectly from both side. 254 …Open [Connection to 192. Indeed, it fully autonomous and can hangle connection errors, data entry and record changes in a log file. 199 2217" … read more. 0 supports FTP only over SSH, which is also called SFTP. In the CCNA level, we only know how to connect to Cisco devices using console connection and telnet connection. Configuring a Cisco Access Server Moving your console cable from one device to another can be time consuming. % Connection refused by remote host Termserver# When the connection is refused, you need to clear the asynchronous line and attempt the reverse Telnet again. This will trigger an increase in the SSH login timeout (each of the login attempts will occupy a connection slot for a longer time). But the router itself functions perfectly. 50 is Enforce Established connectivity on a random port, in this example, Port 63843. Ansible, by default, assumes we're using SSH keys. Java tutorial to troubleshoot and fix java. Let's try to telnet from H2 to R1: H2#telnet 192. “ Router1# config term Router1(config)# service tcp-keepalives-in Router1(config)# service tcp. (I would prefer to use SSH, but that is the same area) So, if you are getting connection refused - first make sure you can telnet / ssh into the device from your NCM server (or additional pollers, if you have the feature enabled). on cisco dpc3829ad modem/router 0. CISCO 试验 09 - Access Control List % Connection refused by remote host 用扩展ACL 实现:10. 100 Trying 172. PuTTY is TELNET over SSH. Telnet is nothing but a protocol was invented in 1969 used to take remote of systems over Network in text mode or command mode as it is not supports GUI (Graphical User Interface). If I telnet to the IP followed by the TCP port number, I get connection refused. You tried to connect to port #25. Did you get connection refuse or blank screen? If connection refused then either the protocol is UDP (in which case Telnet will not connect) or there is nothing listening on that port. cmd prompt> telnet cmd prompt> Trying telnet: Unable to connect to remote host: Connection refused What's the reason for this? how do i establish a connection? I am using ubuntu 10. I have the correct settings under "Management Access" for my local network. When devices are operating like this, a message will be displayed on the device's status page indicating that the 'Connection to the Cisco Meraki Cloud is using the backup Cloud. Symptom: SSH/telnet connection is refused. The Telnet is an old and non-secure application protocol for remote control services. Use debugging on the client side. Go to File-->Settings-->Advanced-->Session Tracing and turn that on. Telnetting from a client machine to a telnet server is known as a forward telnet session. This message is obtained on both WAN and LAN telnet attempts. The server has tow interface lan0 et lan2. I can ping myserver or respond to HTTP on port 8080, etc, but when I try ssh, I get. Ask Question The first clue I got was using SSH instead of telnet by @alex. " — this also means that the connection is. I can telnet to the OOB server and then I try to use the "connect port async 1" from the CLI and just get "Unable to connect to port 1". Titanium is Cisco Nexus Operating System NX-OS emulator made by Cisco. Discovering SSH Host Keys with NMAP As network engineers we use SSH daily (hopefully, ssh and not telnet!) and with all the uproar over duplicate SSH keys lately I thought it would be a good time to do a blog about NMAP’s SSH Host-Key script. If you need immediate assistance please contact technical support. Step 4 If the connection is still refused, the modem might be asserting Carrier Detect (CD) all the time. This Switch is in a large network, and we normally connect via TACACS authentication. It was working fine before. Please try again later. SRX Series,vSRX. Mailing List Archive. Telnet check by gshine » Tue Nov 09, 2010 10:49 pm I have played with the check_tcp and cannot get a simple telnet to work - Could someone detail the process to check telnet is up on a cisco box or any other box for that matter. We know that no one can tap on the console connection since it's directly connected to the Cisco device, but different story for the telnet connection. 254 Trying 192. I have a cisco 1941 router just configured but no matter how I go about configuring the telnet, it seems not to work. Donc J'utilise le Programme Putty Version 0. Or, you can disconnect using Telnet. RemoteSite#show ip access-lists 8 Standard IP access list 8 10 permit 192. I setup line vty 0 4, with a password and the command "login". This message is obtained on both WAN and LAN telnet attempts. I just realized one of my switches are not reachable by SSH and even Telnet. The NISTIR 7966 guideline from the Computer Security Division of NIST is a direct call to action for organizations regardless of industry and is a mandate for the US Federal government. RP//RSP0/CPU0:R1(config)# telnet ipv4 server max-servers 10. For example, if you want to ssh a cisco router that has an ip address 10. Help Follow Us Facebook Twitter Google + LinkedIn Newsletter Instagram YouTube DirectoryNetwork InfrastructureWAN, Routing and ssh connection refused cisco router Switching LAN, Switching and Routing Network Management Remote. I have them working other than telnet. Connected to spark. Howto Setup Cisco Router Auxiliary,Console and Telnet Passwords Posted on December 18, 2007 by ruchi 20 Comments There are five passwords used to secure your Cisco routers: console, auxiliary, telnet (VTY),enable password, and enable secret. Home >> Cisco >> The Remote System Refused the Connection - Cisco Router SSH The Remote System Refused the Connection - Cisco Router SSH When trying to SSH to a Cisco Router or Switch you get this error. 25 Connection closed by foreign host. ssh: connect to host 68. Broadly speaking, you can connect via: The portmanager chooser menu; SSH directly to a port using a number of conventions. connect to host port 22: Connection refused Connection refused sculptor:~# telnet 10. We see that the connection is refused, this is expected because we don’t accept telnet on the VTY lines of R1. telnet 127. I am newer to python and have read the documentation but can't identify how to make netmiko enter credentials more than once when prompts are seen. Reduce Secure Shell risk. Home > able to ssh/telnet to vty through VRF interface. According to show ? the show sessions command is supposed to show Information about Telnet connections. Ask Question Asked 5 years ago. thanks in advance, Chaitanya. 106] refused to talk to me: 554 connection refused see https://senderscore. -new RV042G-WAN 1 set to 10. Broadly speaking, you can connect via: The portmanager chooser menu; SSH directly to a port using a number of conventions. So I downloaded the utility telnetenable-0. Step 4 If the connection is still refused, the modem might be asserting Carrier Detect (CD) all the time. The enable secret command still won't get passed a 'connection refused' message. But the router itself functions perfectly. % Connection. To connect to servers using SSH protocol is a very simple thing in Linux operating. Most servers/containers I know don't enable telnet servers by default since it's insecure. I experienced this same problem on Windows XP, but there was a registry fix for it. RP//RSP0/CPU0:R1(config)# telnet ipv4 server max-servers 10. How about Cisco ASA? Today, I had to learn how to do it using CLI and not ASDM since I couldn't find where the equivalent of aaa authentication ssh console LOCAL and crypto key gen rsa mod 4096 in the ASDM. Download PuttyCM: PuttyCM website seems to be down for a while. I was trying to create a telnet connection between Ubuntu and Guest OS (Kali). Comment by Bob D'Amore — August 3, 2011 @ 8. If you use PuTTY to connect to your instance and get either of the following errors, Error: Server refused our key or Error: No supported authentication methods available, verify that you are connecting with the appropriate user name for your AMI. After you configure an IP address on the management interface (whether that interface is out-of-band or in-band), you can access the device by opening up a Telnet session to that address. Kindly help. A web page can now be requested using the HTTP protocol (such as the server's web site). I setup line vty 0 4, with a password and the command "login". 2 says Connection refused by remote hosts what does mean ? PC>telnet 192. Telnet ("telnetting") provides a better means of testing connectivity than Ping. thanks in advance, Chaitanya. PuTTY is a free (MIT-licensed) Windows Telnet and SSH client. Lorem ipsum dolor sit amet, consectetur adipiscing elit, cras ut imperdiet augue. But I can connect it with a web browser and get all the settings and statistics displayed. - does another process have the async open? If the port is disabled or "occupied" by another program it won't be available to the terminal server. I get a Network Error: Connection Refused. Telnet For years, Telnet has been the industry standard. Advertisement. telnet connection refused I have an issue with one of my remote switches where i am unable to telnet. Clear the line from the console to try again by issuing the command clear line yy where yy is the line number. یکی از مسائلی که ممکن است باعث به خطر افتادن امنیت روتر های مرزی که دارای IP Valid روی پورت های خود میباشد ، عملیات Burst Force برای پیدا کردن دسترسی Telnet میباشد. Example: add method * {ssh} {telnet:3000} {rsh} Which would cause clogin to first attempt an ssh connection to the device and if that were to fail with connection refused, a telnet connection to port 3000 would be tried, and then a rsh connection. -- line 1 session-timeout 60 location --- --- access-class 1 in no exec. The enable secret command still won't get passed a 'connection refused' message. 178 port 25. 0/24 subnet. We know that no one can tap on the console connection since it's directly connected to the Cisco device, but different story for the telnet connection. Connected to spark. Then go into programs. I think I - Cisco ASA 5520 Firewall question. The Telnet is an old and non-secure application protocol for remote control services. Using Telnet. If I telnet to the IP followed by the TCP port number, I get connection refused. % Connection refused by remote host Packet hits on the remote device increase as the ACE count that corresponds increases. Cisco IOS software resumes the connection to the most recently suspended Telnet connection. Java tutorial to troubleshoot and fix java. Replacement for the SCCP channel driver in Asterisk. 25 Connection closed by foreign host. Why telnet unable to connect to remote host connection refused? To connect to a cisco 1800 series router, you need either a network connection that goes to the router, and then you would. 3) PuTTY is connected to Cisco IOS and now you can configure, monitor or manage a Cisco Router or Switch using putty. Either way, you are going to have to call the s/w vendor. Trying 172. This is because Telnet tests for connectivity over a specific port. This message appears because the server believes that the previous telnet session is still connected, thus blocking a new session. For more information on Reverse Telnet refer to Establishing a Reverse Telnet Session to a Modem. Cisco IOS Telnet Server and Client. In case the port is not specified, telnet utility tries to connect via the default port 23. I have an account called root in AAA, that has access level 15 and all of it's settings are marked "inherent", but it won't accept my password for either ssh or telnet. you can verify by using the telnet option on the troubleshooting page, or contacting support to test for you - or alternatively contacting secureserver. Kindly help. Ensure that this user can connect to R2 using SSH and is placed at a privilege level of 15. So either you are connecting to the wrong IP address, or to the wrong port, or the server is listening on the wrong port, or is not actually running. Open the command prompt and type "telnet" (On Windows vista/7 you will need to install it from "programs and features"). Connection Refused By Remote Host Ssh on port 25. Solved: Dear Sirs, We are not able to connect to server using telnet, ssh and ftp. Comment by Bob D'Amore — August 3, 2011 @ 8.