| Building The Network You Need With PF, The OpenBSD Packet Filter: BSDCan 2016, Ottawa, Canada, June 8th 2016 | ||
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In the base system, load the daemon if you need it
/etc/rc.conf[.local]
ftpproxy_flags=""
/etc/pf.conf
NAT section anchors
nat-anchor "ftp-proxy/*" rdr-anchor "ftp-proxy/*"
the redirection
rdr pass on $int_if proto tcp from any to any \
port ftp -> 127.0.0.1 port 8021
anchor "ftp-proxy/*"pass out proto tcp from $proxy to any port 21 keep state