can no longer connect to internet

I think all I did was change the domain name from linux to sentry. I also changed the name to the right of the dos, but changed it back to local. When I get out network running under linux, I want to name each computer, but naming conventions are not clear yet. In the meantime, I am resorting to using win to access the net. I also tried to make dial on demand work. (demand = 1 in the wvdial.conf file? thanks, John R. Sowden American Sentry Systems, Inc. U.L. Listed Protective Signalling Central Station Serving the San Francisco Bay Area jsowden@americansentry.net www.americansentry.net (415) 457-2622 1221 Andersen Drive San Rafael, CA 94901-5337