Learn how to tunnel with ssh, to get Windows to UNIX connectivity in a secure world. With new security threats cropping up every day, network managers are understandably protective of their computing assets. Enhanced security measures, however, can inflict significant hardships on legitimate users and can lead to frustration, productivity losses, and dangerous attempts at circumvention of restrictions. Equipping yourself with proper tools for connectivity can make your tasks easier while still maintaining network security and integrity. One of the most valuable tools in the IT toolkit is Secure Shell (SSH).
Use OpenSource tools, such as Secure Shell (SSH), PuTTY, and Cygwin, to create secure connections to almost any resource you need to access. Current information on SSH tunneling and setup is fragmented and limited to specific applications, or it is written at a system administrator's level. With increasing security needs, the addition of boundary firewalls, and tightening of the number of allowed network ports, users need a method that is simple to configure, easy to operate and, above all, secure to accomplish day-to-day tasks and access the services that they have become accustomed to. In my day-to-day work, I have found that many users are frustrated by new security imperatives imposed by network managers.
Although users understand the need for additional security, these restrictions cause significant bottlenecks to productivity. While these users are technically literate, network services setup and firewalls are not a normal part of their knowledgebase. This article describes the setup of a simple SSH client connecting to an AIX- or Linux-based SSH server that allows a typical, technically literate individual the ability to set up, configure, and operate a flexible means of tunneling data and services over the SSH service. Users will benefit from having control of their own environment and the ability to adapt to their day-to-day needs. Administrators will benefit from reduced user requests to open ports and tighter control of their secure environments as a result.
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