On Thu, 27 Jan 2011, Mike Cardwell wrote: > On 27/01/2011 11:10, Jethro R Binks wrote: > > >>> http://www.exim.org/exim-html-current/doc/html/spec_html/ch49.html#SECTlogselector > >> > >> My Exim installation already logs the source port: > >> > >> 2011-01-27 10:55:53 1PiPW5-0005aa-6F <= > >> [email protected] H=tahini.csx.cam.ac.uk > >> [2001:630:200:8080:204:23ff:fed6:b664]:46199 > >> I=[2001:470:1f09:1186::beef]:25 P=esmtp S=4022 > >> [email protected] T="Re: [exim] > >> Allow STARTTLS after HELO" > >> > >> Source port for that incoming email was 46199... > > > > What you don't get - unless something has changed - is a log of the > > source port for outgoing messages, which I commented on in 2009, and > > had some reason for finding useful. > > Right. I see what you mean. You want to log the source port when sending > outgoing mail in case the Exim installation is behind NAT. Surely, if > they're behind NAT, the NAT gateway will change the source port anyway > as far as the destination server can see? > > Ie, if two Exim installations behind NAT bind to their local port 1234 > at the same time and try to connect to the same IP...
I've no idea now what interest I had in recording the source port when sending, but it struck me as an odd ommission from the logging at the time. That's all! J. . . . . . . . . . . . . . . . . . . . . . . . . . Jethro R Binks, Network Manager, Information Services Directorate, University Of Strathclyde, Glasgow, UK The University of Strathclyde is a charitable body, registered in Scotland, number SC015263. -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
