FTP Through NAT: ftp-proxy
In November 2005, the old ftp-proxy (/usr/libexec/ftp-proxy) was replaced in OpenBSD-current with the new ftp-proxy, which lives in /usr/sbin. This is the software that is included in OpenBSD 3.9 onward.
Note
OpenBSD 3.8 equivalents or earlier only: This section is destined to become purely historical as soon as the last PF port moves on to the newer version. If you are using a modern PF version, jump directly to "New-Style FTP: ftp-proxy" on FTP, PF, and Routable Addresses: ftpsesame, pftpx, and ftp-proxy for up-to date information.
The old-style ftp-proxy program, which is a part of the base system on systems with PF versions corresponding to OpenBSD 3.8 or earlier, is usually called via the inetd superserver via an ...
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