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Recommended Host for SSH Access
What is SSH Access?
If you need to frequently access remote systems through unsecure networks, you will most likely want to find a host that supports the Secure Shell (SSH) protocol.
SSH is an encryption protocol for networks created to allow secure connections across unsecured networks and initiate text-based shell sessions on remote machines. It allows the user to run commands on remote computers securely, using a secure channel over an unsecure network. Essentially this is what it’s all about – the protocol enables a secure channel over an insecure network.
SSH was developed in 1995 by a Finnish student following a security breach. Although SSH was originally developed for Linux and other Unix-derived environments, it also operates on other platforms. It uses public key cryptography, but manual keys can be employed as well. The protocol relies on one private key and one or more public keys used on the server and client.
SSH use cases
SSH is commonly used in to log into and communicate with remote machines. However, in addition to pure shell functionality, it also enables users to use tunnelling, X11 connections, and TCP port forwarding. SSH can also be employed to for secure file transfers, using secure copy (SCP) or SSH file transfer (SFTP) protocols.
SSH is commonly used to log into remote servers, execute server commands or authenticate virtual private network (VPN) users. There are a number of different niches that may benefit from SSH, as it can be used to restrict remote access to servers or to provide users with encrypted, high-security browsing through a proxy connection.
SSH can complement or replace Telnet, rsh, rlogin and other standards in the remote host role. It can also be employed to set up 'passwordless' login to remote servers and enable secure file transfers. By using public/private key logins, it is possible to eliminate the need for passwords on remote sites, since attackers will be unable to impersonate you without your private key, which is unfeasible to calculate due to the immense number of possible permutations.
SSH is also becoming increasingly relevant in cloud computing, as it helps address a number of security issues inherent to decentralised cloud platforms.
Never ending security arms race
The first versions of SSH are now obsolete and cannot provide much security. Their vulnerabilities were exposed and patched up, resulting in new, more secure versions.
Versions 1.x though 2.x are vulnerable to attack and are no longer in widespread use. The latest SSH versions are considered secure and SSH-2 is becoming the industry standard.
While it was originally designed for Linux, SSH is available on most operating systems, including Apple's OS X, OpenBSD, FreeBSD, NetBSD, Solaris, OpenVMS and of course most GNU/Linux distributions.
Microsoft platforms do not offer SSH support by default, but support can be added though third-party software.
TCP port 22 has been assigned for use by SSH servers. In case you are looking to improve security, it is possible to change the default port to nonstandard port, provided this is technically feasible. This involves a bit of tinkering, but also offers additional security through obscurity.
There is simply no way of making your server 100% secure regardless of what you do, but using the latest SSH standards and tweaked nonstandard configurations should help enhance your security and reduce the number of attack vectors.
Secure Shell hosting considerations
Since Secure Shell access is quite popular on Linux servers, most hosts tend to offer it and pricing is competitive. SSH access support may be bundled with various LAMP hosting packages, in which case you can get it for next to nothing, or literally nothing.
Major hosts tend to offer SSH access by default, both on shared and dedicated plans. Resellers may be required to pay a one-time SSH deployment charge for newly activated accounts. Dedicated server and VPS customers typically get SSH root access, allowing them more freedom.
As far as Microsoft environments go, the process could be a bit trickier. To use SSH on Windows you need to use WinSCP, PuTTY or a similar solution, then manually set up your IP address and SSH port. Dozens of SSH clients and servers are available, either as free or commercial services, so you may want to do some research before choosing which one is right for you.
Many developers require Microsoft development tools such as .NET, but at the same time they need SSH. Although native support is lacking, most hosts offer SSH functionality with their Microsoft packages, so there is nothing to worry about - you should be able to find a plan that meets your requirements with relative ease.
How much programming experience do I need to utilize SSH hosting?
Not any more than you would require to access your hosting environment through a non-SSH connection. Secure Shell Hosting (SSH) helps encrypt information sent over two unsecure connections to prevent data breaches while information is in transit. While you may be required to login via FTP with some specific settings, specific programming knowledge is not required to connect to a remote server via SSH.
In order to effectively use SSH, you really won’t need to be any more experienced with programming than you would be if you are using an unsecure connection. In fact, because SSH uses public and private key logins, the need for remote server passwords may be eliminated altogether. An SSH connection can actually make things easier for connecting to a remote server if configured correctly.