Bazy wrote: > > Yes you are right, we should prioritize ack's and dns requests (port 53) > at first. But this is CentOS not BSD, so we should use tc (show / > manipulate traffic control settings). Sorry, as I've said before I'm not familiar with the GNU/Linux equivalent firewall things. Thanks for pointing out TC. > Ioannis Vranos: You should connect from a windows machine and check if > the ping reply and the download speeds are the same as on the linux > machine. If the windows machine proves to be faster, start debugging the > linux machine. 160-170 ms to your ISP's gateway seems a lot of latency > to me. I have a cable modem and an 6 ms latency to my ISP. You may also want to run a netstat -ia on both machines and verify that there are not a bazillion connections, which might give an indication of a system compromise such as rootkit or botkit. 160-170ms seems awful high to me for such a high speed connection. -- James A. Peltier Technical Director, RHCE SCIRF | GrUVi @ Simon Fraser University - Burnaby Campus Phone : 778-782-3610 Fax : 778-782-3045 Mobile : 778-840-6434 E-Mail : jpeltier at cs.sfu.ca Website : http://gruvi.cs.sfu.ca | http://scirf.cs.sfu.ca MSN : subatomic_spam at hotmail.com