hello to Everybody! I've configured a FC3 (192.168.0.50 on a local LAN) to exit to internet through a proxy machine (192.168.0.20) I've properly configured: 1)Firefox network options 2) the freshclam (clamav) and nessus conf files 3) redhat network configuration 4) preferences -> network proxy now Firefox, Freshclam and the Nessus-New-Plugins-Retrieval goes really OK, but: 1) I can't still ping external sites (I.E. www.google.it) but only internal LAN machines (I.E. 192.168.0.20) 2) I can't run up2date: at the console I obtain the following error: File "/usr/lib/python2.3/urllib2.py", line 886, in do_open raise URLError(err) urllib2.URLError: <urlopen error (-3, 'Temporary failure in name resolution')> I've found something similar to this error at: http://bugzilla.redhat.com/bugzilla...g.cgi?id=127621 maybe (surely...) some my configuration error? thanks in advance for your help, Fabianope