On Mar 14, 2011, at 3:24 PM, Bruce Walker wrote: > Eric, here's something to try. No guarantees though. > > There's a "known" issue with an interaction between one particular Mac OS X > network config and many home routers. Mac OS X by default enables a TCP/IP > performance extension called RFC 1323. This sometimes triggers some odd > behaviour in a number of servers and router products, for example problems > uploading things (eg delivering mail). > > Luckily it's fairly easily turned off. You can do that from the command line > with this: > > $ sudo sysctl -w net.inet.tcp.rfc1323=0 > > That change is temporary and will revert back to default behaviour on the > next reboot. If you find that that helps, you can make the change permanent > by putting this line of text ... > > net.inet.tcp.rfc1323=0 > > ... into the file /etc/sysctl.conf . > > (I'm assuming you're OK with doing root stuff in Terminal.app.)
I got very familiar with it in my year of messing around with Unix. I believe I've successfully executed the command. We'll see if it helps with this message. Thanks for the suggestion. ------------------------------------------------------------------------------------------ Eric Weir Decatur, GA USA eew...@bellsouth.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.