> > maybe we should fix our SERVER apps.. > > e.g. telnetd, sshd, etc. to have 1 week timeouts > > IIRC, it is not possible to specify how long the keepalive interval > should be, using the socket interface. Do you suggest we add a new > interface not present in other Unix implementations, or that we make > SO_KEEPALIVE always have a one-week timeout, surprising the other > applications that expect it to be faster?
There *is* a well defined interface for this, namely the TCP_KEEPALIVE socket option. This is a *per connection* keepalive timer, and is implemented by for instance Solaris 2.6. See http://www.unix-systems.org/single_unix_specification_v2/xns/xti.h.html Also mentioned in Stevens vol. 2 as far as I can remember. If the FreeBSD kernel implemented TCP_KEEPALIVE, it would be rather simple to set this on an application basis. (No, unfortunately, I'm not offering to implement it.) Steinar Haug, Nethelp consulting, sth...@nethelp.no To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-current" in the body of the message
