What do you mean by all the applications? If you're having problems with TCP based applications, it's probably due to the ECN option on TCP. Turn it off, recompile the kernel and you should be OK. Ramin On Fri, Apr 20, 2001 at 05:47:04PM +0530, Mehul Vora wrote: > hii all, > > sorry for posting a kernel related query... but ill appreciate if someone could please help me out... > > i am running redhat linux 7.0 with kernel 2.2.16... i downloaded kernel 2.4.3 from web and compiled and booted through that... but strangely so, all my application level programs fail to run... i can ping to a machine, but i cant telnet/ftp/web... it says connection refused... any ideas? > > cheers > mehul