[Bug 91] timeout patches

Nicolas Williams Nicolas.Williams at ubsw.com
Fri Feb 1 01:02:10 EST 2002

On Thu, Jan 31, 2002 at 10:53:22PM +1100, bugzilla-daemon at mindrot.org wrote:
> http://bugzilla.mindrot.org/show_bug.cgi?id=91
> ------- Additional Comments From markus at openbsd.org  2002-01-31 22:53 -------
> please try to have one feature per patch.
> 1. as to protocolkeepalive: isn't this what tcp-keepalives are for?

TCP keepalives are unreliable; the TCP keepalive timer usually cannot be
set per-socket and cannot be negotiated.

> 2. why use sigaction? sshd does a similar thing, but just uses alarm()

Why use SIGALARM? Why not use the select() timeout instead?

> 3. why not wrap exchange_indentification into alarm, like sshd does?
> 4. not all ssh1 implementations will accept your ignore message

I don't remember SSHv2 having a keepalive message. Maybe it should.


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