According to Matthew Hunt:
> I'm thinking of long-lived connections like telnet and ssh; if you're

FWIW ssh has been using keelalives for a long time by default...

       KeepAlive
              Specifies  whether the system should send keepalive
              messages to the other  side.   If  they  are  sent,
              death  of  the  connection  or  crash of one of the
              machines will be properly noticed.   However,  this
              means  that  connections  will  die if the route is
              down temporarily, and some people find it annoying.

              The  default is "yes" (to send keepalives), and the
              client will notice if the network goes down or  the
              remote  host  dies.   This is important in scripts,
              and many users want it too.

              To disable keepalives, the value should be  set  to
              "no"  in  both the server and the client configura-
              tion files.

-- 
Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- robe...@keltia.freenix.fr
FreeBSD keltia.freenix.fr 4.0-CURRENT #71: Sun May  9 20:16:32 CEST 1999



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