Re: [Exim] Solaris 8 - setsockopt(SO_KEEPALIVE) on connectio…

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Auteur: Matthew Byng-Maddick
Date:  
À: Exim Users Mailing List
Sujet: Re: [Exim] Solaris 8 - setsockopt(SO_KEEPALIVE) on connection from XX failed: Invalid argument
On Wed, Jan 02, 2002 at 03:55:51PM +0000, Philip Hazel wrote:
> On Wed, 2 Jan 2002, Kevin Reed wrote:
> > I have found this only occurs when probing the system with nmap for
> > both applications. Normal connections, dont do this.
> I don't know about nmap. My guess is that it somehow runs the programs
> with connections that don't behave in the same way as normal sockets.


AIUI nmap can try various things that are not expected in normal TCP, and
it has its own raw implementation that builds up the TCP packets, rather
than going through the system, so it may not support all the options and
option negotiation.

MBM

--
Matthew Byng-Maddick         <mbm@???>           http://colondot.net/