Editing Loopback (section)

===Martian packets===
Any IP [[datagram]] with a source or destination address set to a loopback address must not appear outside of a computing system, or be routed by any routing device. Packets received on an interface with a loopback destination address must be dropped. Such packets are sometimes referred to as [[Martian packet]]s.<ref>{{cite web|author=Raymond, Eric S.|title=The Jargon File|url=http://www.catb.org/~esr/jargon/html/M/martian.html|access-date=2004-06-23|archive-date=2020-11-06|archive-url=https://web.archive.org/web/20201106220734/http://www.catb.org/~esr/jargon/html/M/martian.html|url-status=live}}</ref> As with other bogus packets, they may be malicious and any problems they might cause can be avoided by applying [[bogon filtering]].