Cisco ssh configuration example x. For more information about downloading a software image, refer to the Configuration Fundamentals Configuration Guide. The Secure Shell Version 2 Support feature allows you to configure Secure Shell (SSH) Version 2. Feb 10, 2025 · Cisco, of course, has pages upon pages of discussion on the most common operations with SSH with examples. Finding Feature Information Prerequisites for Secure Copy Information About Secure Copy How to Configure SCP Configuration Examples for Secure SSH Servers, Integrated Clients, and Supported Versions The Secure Shell (SSH) Integrated Client feature is an application that runs over the SSH protocol to provide device authentication and encryption. Oct 28, 2014 · There are countless recommendations for the configuration of SSH on Cisco devices available. 05. Jan 11, 2021 · For more information about downloading a software image, refer to the Configuration Fundamentals Configuration Guide. Jan 16, 2012 · Finding Feature Information Prerequisites for Configuring SSH Restrictions for Configuring SSH Information About Secure Shell How to Configure SSH Configuration Examples for SSH Additional References Feature Information for Configuring Secure Shell Finding Feature Information Your software release may not support all the features documented in this module. Dec 11, 2024 · The Secure Shell (SSH) server requires an IPsec (Data Encryption Standard [DES] or 3DES) encryption software image; the SSH client requires an IPsec (DES or 3DES) encryption software image. SSH uses strong encryption for authentication. Nov 28, 2012 · To verify that the Secure Shell (SSH) server is enabled and to display the version and configuration data for your SSH connection, use the show ip ssh command. 100. Dec 11, 2024 · The Secure Shell Version 2 Support feature allows you to configure Secure Shell (SSH) Version 2. Server authentication—While establishing an SSH session, the Cisco SSH client authenticates the SSH server by using the server host keys available during the key exchange phase. Securely access Cisco routers and switches with CLI examples and best practices. Prerequisites for Secure Copy Information About Secure Copy How to Configure Secure Copy Configuration Examples for Secure Copy Additional References for Secure Copy Feature History for Secure Copy Prerequisites for Secure Copy Configure Secure Shell (SSH), authentication, and Apr 10, 2025 · Learn how to configure SSH on a Cisco router for remote access with step by step best practices. 03. SSH provides a means to securely access and Mar 31, 2025 · The Secure Shell Version 2 Support feature allows you to configure Secure Shell (SSH) Version 2. The SSH client works with publicly and commercially available SSH servers. SSH provides a means to securely access and Secure Shell (SSH)-Some links below may open a new browser window to display the document you selected. Prerequisites for Secure Copy Information About Secure Copy How to Configure Secure Copy Configuration Examples for Secure Copy Additional References for Secure Copy Feature History for Secure Copy Prerequisites for Secure Copy Configure Secure Shell (SSH), authentication, and Nov 30, 2022 · This chapter provides configuration informatiom of secure shell algorithms for common criteria certification. This connection provides functionality similar to that of an outbound Telnet connection except that the connection is encrypted. Switch (config)# no access-list 101 Switch (config)# access-list 101 remark Permit SSH access from administrators’ systems Switch (config)# access-list 101 permit tcp host 10. SSH provides stronger encryption and deploys public-key Master Cisco SSH configuration with this step-by-step guide. Under the covers, SSH uses Cipher Suites, Hostkeys, Key Exchange Protocols, Message Mar 26, 2015 · A Secure Shell (SSH) configuration enables a Cisco IOS SSH server and client to authorize the negotiation of only those algorithms that are configured from the allowed list. The SSH server in the Cisco Nexus device switch interoperates with publicly and commercially Secure Shell (SSH) is an application and a protocol that provides secure replacement for the suite of Berkeley r-tools such as rsh, rlogin and rcp. Nov 27, 2024 · The Secure Shell Version 2 Support feature allows you to configure Secure Shell (SSH) Version 2. 99 is not supported. Feb 15, 2016 · The Secure Copy (SCP) feature provides a secure and authenticated method for copying router configuration or router image files. 5. com May 31, 2024 · Enabling SSH is simple and only takes a few configuration commands on the Cisco device. Mar 31, 2025 · The SSH client enables a Cisco device to make a secure, encrypted connection to another Cisco device or to any other device running the SSH server. Jun 10, 2009 · The following commands show the example configuration for SSH on the virtual terminal lines. (Cisco IOS supports rlogin. SSH is what encrypts what you see at the command line interface(CLI). SSH provides a means to securely access and Aug 14, 2024 · This document provides the procedure to configure a Cisco device for Secure Copy (SCP) server-side functionality. A router configured with SSH server allows a secure connection to the router similar to Telnet. 11. 0. Jul 29, 2025 · This chapter contains the following sections: Configuring SSH and Telnet Information About SSH and Telnet SSH Server The Secure Shell Protocol (SSH) server feature enables a SSH client to make a secure, encrypted connection to a Cisco Nexus device. The Telnet application has limited security. The SSH client also works with the SSH server supported in this release and with non-Cisco SSH servers. Includes security best practices, troubleshooting tips, and PuTTY connection guide. Restrictions for Secure Shell Version 2 Support Secure Shell (SSH) servers and SSH clients are supported in Triple Data Encryption Standard (3DES) software images. Create a username/password in local database on the router Configuring SSH and Telnet This chapter describes how to configure Secure Shell Protocol (SSH) and Telnet on Cisco NX-OS devices. Prerequisites for Secure Copy Information About Secure Copy How to Configure Secure Copy Configuration Examples for Secure Copy Additional References for Secure Copy Feature History for Secure Copy Prerequisites for Secure Copy Configure Secure Shell (SSH), authentication, and Dec 23, 2024 · Learn how to enable SSH on Cisco routers and switches with step-by-step instructions. 168. 4. Dec 12, 2021 · Configuration Example for SSH Passwordless File Copy The following example shows how to copy files from a Cisco NX-OS device to a secure copy (SCP) or secure FTP (SFTP) server without a password: Mar 31, 2025 · This document provides the procedure to configure a Cisco device for Secure Copy (SCP) server-side functionality. This feature provides a secure and authenticated method for copying device configuration or device image files. For SSH configuration examples, see the “SSH Configuration Examples” section in the “Configuring Secure Shell” section in the “Other Security Features” chapter of the Cisco IOS Security Configuration Guide, Cisco IOS Release 12. SSH is both a protocol and an application that replaces Telnet and provides an encrypted connection for remote administration of a Cisco network device such as a router, switch, or security appliance. The following example shows that SSH is enabled: The Secure Shell (SSH) Integrated Client feature is an application that runs over the SSH protocol to provide device authentication and encryption. They are the authoritative source, so consult their documentation when necessary. 10, the Secure Shell Version 1. But many of them propose settings that are not adequate any more. 100 = Jumphost IP (Allowed IP to SSH into the device)Prerequisites in configuring SSH for Cisco devices include SSH key generation, please refer to Cisco Official Documentation. SSH provides more security for remote connections than Telnet does by providing strong encryption when a device is authenticated. 2. Prerequisites for Secure Copy Information About Secure Copy How to Configure Secure Copy Configuration Examples for Secure Copy Additional References for Secure Copy Feature History for Secure Copy Prerequisites for Secure Copy Configure Secure Shell (SSH), authentication, and Aug 13, 2014 · This document describes how to configure Secure Shell (SSH) on the inside and outside interfaces of the Cisco Series Security Appliance Versions 9. Mar 31, 2025 · This document provides the procedure to configure a Cisco device for Secure Copy (SCP) server-side functionality. command: crypto key generate rsaPreferably, RSA Aug 16, 2021 · Overview : SSH is a security mechanism, which can be used to access the privilege and configuration mode of a Router and a Switch from a remote location to perform the required action. The Cisco IOS includes both an SSH server and an SSH client. 2 any eq 22 log The SSH server works with the SSH client supported in this release and with non-Cisco SSH clients. This process ensures encrypted communication, protecting sensitive management traffic See full list on ipcisco. ) Configure a hostname and host domain for your device by using the hostname and ip domain name commands in global configuration mode. The Cisco IOS SSH client configuration on Reed is the same as required for the SSH server configuration on Carter. Secure Shell (SSH) servers and SSH clients are supported in Triple Data Encryption Standard (3DES) software images. Nov 27, 2024 · The Secure Shell (SSH) server requires an IPsec (Data Encryption Standard [DES] or 3DES) encryption software image; the SSH client requires an IPsec (DES or 3DES) encryption software image. Restrictions for Secure Shell Version 2 Support From Cisco IOS XE Release 17. x Can someone help me setup SSH login and disable telnet on the switch using CLI ? Apr 5, 2024 · The Secure Shell (SSH) server requires an IPsec (Data Encryption Standard [DES] or 3DES) encryption software image; the SSH client requires an IPsec (DES or 3DES) encryption software image. For the latest feature information If you want to have one device act as an SSH client to the other, you can add SSH to a second device called Reed. This connection provides functionality 4. This lesson explains how to confgure SSH on your Cisco IOS router or switch for secure remote access. (SSH Version 1 support was implemented in an earlier Cisco software release. Aug 14, 2024 · This document provides the procedure to configure a Cisco device for Secure Copy (SCP) server-side functionality. Dec 11, 2024 · Secure Shell (SSH) includes support for SSH File Transfer Protocol (SFTP), which is a new standard file transfer protocol introduced in SSHv2. The only reliable transport that is defined for SSH is TCP. Dec 18, 2019 · IOS 16. This connection provides functionality In this Cisco SSH Configuration GNS3 Example, we have configured SSH on Cisco routers with GNS3 simulator. x and later. For our scenario we will configure SSH on a Catalyst 9k series running IOS-XE 17. SSH Configuration Examples in Cisco (IOS,IOS-XE,NX-OS,IOS-XR) Here are the configuration examples: whereas: 192. When you must configure and monitor the Cisco Adaptive Security Appliance (ASA) remotely with the CLI, the use of either Telnet or SSH is required. Execution Shell, remote command execution, and Secure Copy Protocol (SCP) are the only applications supported Nov 27, 2024 · SSH Algorithms for Common Criteria CertificationTroubleshooting Tips If you try to disable the last host key algorithm in the configuration, the following message is displayed and the command is rejected: % SSH command rejected: All hostkey algorithms cannot be disabled Configuration Examples For SSH Algorithms for Common Criteria Certification This section provides configuration examples for Example SSH Terminal-Line Access Configuration The following example shows how to configure the SSH Terminal-Line Access feature on a modem used for dial-out on lines 1 through 200. The benefits of SSH include strong encryption of transmitted data, secure remote access, and the ability to tunnel or port forward other protocols through an SSH connection. . This puts these devices in a client-server arrangement, where Carter acts as the server, and Reed acts as the client. For the latest feature information For SSH configuration examples, see the “SSH Configuration Examples” section in the “Configuring Secure Shell” section in the “Other Security Features” chapter of the Cisco IOS Security Configuration Guide, Cisco IOS Release 12. Feb 15, 2016 · A Secure Shell (SSH) configuration enables a Cisco IOS SSH server and client to authorize the negotiation of only those algorithms that are configured from the allowed list. Dec 23, 2024 · The SSH server works with the SSH client supported in this release and with non-Cisco SSH clients. SSH Servers, Integrated Clients, and Supported Versions The Secure Shell (SSH) Integrated Client feature is an application that runs over the SSH protocol to provide device authentication and encryption. Mar 31, 2025 · SSH Algorithms for Common Criteria CertificationTroubleshooting Tips If you try to disable the last host key algorithm in the configuration, the following message is displayed and the command is rejected: % SSH command rejected: All hostkey algorithms cannot be disabled Configuration Examples For SSH Algorithms for Common Criteria Certification This section provides configuration examples for Aug 14, 2024 · The Secure Shell (SSH) server requires an IPsec (Data Encryption Standard [DES] or 3DES) encryption software image; the SSH client requires an IPsec (DES or 3DES) encryption software image. We hace focused on SSH details. Feb 26, 2022 · Table of Contents Summary Secure Shell (SSH) is a secure management protocol that Cisco engineers use to connect to and administer IOS XE. SSH provides a means to securely access and May 15, 2013 · Introduction: Configuration Example: Verification: Related Information: Introduction: Secure Shell (SSH) is a useful protocol or application for establishing secure sessions with the router. SCP relies on Secure Shell (SSH), an application and a protocol that provide a secure replacement for the Berkeley r-tools. This connection provides functionality Nov 27, 2024 · The Secure Shell (SSH) server requires an IPsec (Data Encryption Standard [DES] or 3DES) encryption software image; the SSH client requires an IPsec (DES or 3DES) encryption software image. This software release supports SSH Version 2 (SSHv2). The SSH server works with the SSH client supported in this release and with non-Cisco SSH clients. Jan 23, 2012 · Finding Feature Information Prerequisites for Configuring SSH Restrictions for Configuring SSH Information About Secure Shell How to Configure SSH Configuration Examples for SSH Additional References Feature Information for Configuring Secure Shell Finding Feature Information Your software release may not support all the features documented in this module. Execution Shell, remote command Cisco ASA 5500-X Series Next-Generation Firewalls - Some links below may open a new browser window to display the document you selected. Information About Configuring Secure Shell Secure Shell (SSH) is a protocol that provides a secure, remote connection to a device. This document is concerned only with the configuration of the SSH server component. Execution Shell, remote command execution, and Secure Copy Protocol (SCP) are the only applications supported Sep 26, 2025 · The following example enters the SSH Public Key-chain Configuration mode and manually configures the RSA key pair for SSH public key-chain to the user ‘bob’. This document shows how to set up SSH on IOS and ASA for advanced session-security and how to configure an Apple Mac with OS X to only negoti Feb 15, 2016 · For more information about downloading a software image, refer to the Configuration Fundamentals Configuration Guide. Jul 16, 2025 · To configure SSH on a Cisco switch and enable secure remote management, you typically need to set up a local user account, configure an IP domain name, generate RSA cryptographic keys, specify the SSH protocol version, and apply these settings to the Virtual Teletype (VTY) lines. ) SSH runs on top of a reliable transport layer and provides strong authentication and encryption capabilities. Configure VTY lines to use SSH only (Telnet will be refused) R1(config)#line vty 0 4 R1(config-line)#transport input ssh R1(config-line)#login local If for some reasons we still want to allow Telnet along with SSH then we can use the “transport input ssh telnet” instead. The SSH client enables a Cisco device to make a secure, encrypted connection to another Cisco device or to any other device running the SSH server. ) The protocol secures the sessions using standard cryptographic mechanisms, and the application can be used similarly to the Berkeley rexec and rsh tools. Configuring SSH and Telnet This chapter describes how to configure Secure Shell Protocol (SSH) and Telnet on the Nexus 5000 Series switches. Jul 7, 2010 · For SSH configuration examples, see the “SSH Configuration Examples” section in the “Configuring Secure Shell” section in the “Other Security Features” chapter of the Cisco IOS Security Configuration Guide, Cisco IOS Release 12. scfgae wacjgn wytw vdwb kdvj fhatz epv ylcnty ije xuwqx zdclt gqvi rfswf jwa jjtoz