On Monday 2006-January-16 02:20, Britto wrote: > Could pls anyone explain the following default entries > in the iptables A user chain is by definition not a "default" entry. With all tables' drivers loaded, here is what a default iptables-save(8) would look like: no user chains, no rules, all policies ACCEPT: *nat :PREROUTING ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] :OUTPUT ACCEPT [0:0] COMMIT *mangle :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] COMMIT *filter :FORWARD ACCEPT [0:0] :INPUT ACCEPT [0:0] :OUTPUT ACCEPT [0:0] COMMIT *raw :PREROUTING ACCEPT [0:0] :OUTPUT ACCEPT [0:0] COMMIT -- mail to this address is discarded unless "/dev/rob0" or "not-spam" is in Subject: header