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About This Document >>     Installing SSH Tectia Server for IBM z/OS >>     Getting Started with SSH Tectia Server for IBM z/OS >>     Configuring the Server >>     Configuring the Client >>     Authentication >>     File Transfer Using SFTP >>     File Transfer Using Transparent FTP Tunneling >>         Configuring SOCKS Proxy >>         Creating the SSHSP User         Running SOCKS Proxy >>         Using Public-Key Authentication with the SOCKS Proxy >>         Configuring FTP             Editing the FTP Client Configuration             Creating the SOCKS Configuration         Examples of Transparent FTP Tunneling>>     Tunneling on the Command Line >>     Troubleshooting SSH Tectia Server for IBM z/OS >>     Advanced Information >>     Man Pages >>     Log Messages >>

Configuring FTP

To enable transparent FTP tunneling, the SOCKS setting in the FTP application needs to be pointed to a localhost listener.

If you are running a real SOCKS proxy on your z/OS system and the localhost port 1080 is already reserved, you can add a second loopback address to your TCPIP profile for the transparent FTP tunneling proxy.

To add the secondary IP address, edit the TCPIP profile on your z/OS system. Under the HOME heading, add the following line:

127.0.0.2 LOOPBACK

Make it the second IP address, or put it lower down, because the first address is the machine's default IP address. Follow the procedure shown in ZOS TCPIP Setup. Check that the address is there with the following TSO command:

===> NETSTAT HOME

Editing the FTP Client Configuration

Creating the SOCKS Configuration

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