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`eth-filter` is a translator that implements a very simple stateless firewal.

# Source

[[source_repositories/incubator]], dde

# Usage:

For instance, to drop any attempt to access port 22:

    settrans -c /dev/eth0f /hurd/eth-filter -i /dev/eth0 -r "not port 22"

    settrans /servers/socket/2 /hurd/pfinet -i /dev/eth0f ...