On Wed, 24 Dec 2014 13:37:34 -0700 Kevin Veroneau <kevin@veroneau.net> wrote: > As for port numbers, rarely any MUDs I visit use port 23, all > PennMUSHs use 4201 by default, and Evennia uses 4000 I believe. So > there are no worries about port 23, and in fact having code that must > switch UID and run as root would require additional security > auditing. So, lets just stick with a port > 1024. All MUD clients > support specifying a port number. There are ways to bind to lower ports on Linux without ever needing to run the process as root - e.g. use an iptables rule to forward traffic from port 23 to a higher port that the process is listening on, or give the process the CAP_NET_BIND_SERVICE capability. Graham
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