The code has been found. RedHat doesn't routinely include source in the RPMs and after doing a brute force find on the CD it was found. I recompiled to allow a bigger window size and that did seem to help a little. ftp is still very slow though. It will probably take more analysis of all the components inetd, ftpd, and ftp to get a better idea of what the bottleneck is. Peter Stein nbi@xnet.com