>On Tue, Nov 14, 2006 at 12:31:52PM -0800, Knute Johnson wrote: >> A few weeks ago I was having trouble getting at certain web sites. >> Someone suggested turning off tcp_window_scaling. That worked great. >> Then I installed FC6. Now I can't edit the tcp_window_scaling file >> because of some selinux issue. I can to echo 0 > tcp_window_scaling >> however and it works great until I restart the Linux. Then the value >> has changed back to 1. Obviously I'm missing something here, can >> anybody point me in the right direction? > >Yep. > >/etc/sysctl.conf > Matthew: Thanks for the response. I remember now that that was how I fixed the problem with FC5. It seems that this doesn't work with FC6. Below are my sysctl.conf and the /proc/sys/net/ipv4/tcp_window_scaling and tcp_rfc1337 files. Note that they do not match. Any ideas? Thanks, knute... [knute@knute etc]$ cat sysctl.conf # Kernel sysctl configuration file for Red Hat Linux # # For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and # sysctl.conf(5) for more details. # Controls IP packet forwarding net.ipv4.ip_forward = 0 # Controls source route verification net.ipv4.conf.default.rp_filter = 1 # Do not accept source routing net.ipv4.conf.default.accept_source_route = 0 # Controls the System Request debugging functionality of the kernel kernel.sysrq = 0 # Controls whether core dumps will append the PID to the core filename. # Useful for debugging multi-threaded applications. kernel.core_uses_pid = 1 # Controls the use of TCP syncookies net.ipv4.tcp_syncookies = 1 # added to solve problem with some websites - 14 nov 06 - kj tcp_window_scaling = 0 tcp_rfc1337 = 1 [knute@knute etc]$ cat /proc/sys/net/ipv4/tcp_window_scaling 1 [knute@knute etc]$ cat /proc/sys/net/ipv4/tcp_rfc1337 0 [knute@knute etc]$ > >-- >Matthew Miller mattdm@xxxxxxxxxx <http://mattdm.org/> >Boston University Linux ------> <http://linux.bu.edu/> -- Knute Johnson Molon Labe...
