Ethan Benson wrote: > hi, > > <snip> > > what i tried was adding 3 new rules to the very beginning of the input chain > > ipchains -I input 1 -p tcp -i ppp0 -d 0.0.0.0/0 53 -j ACCEPT > ipchains -I input 2 -p tcp -i ppp0 -d 0.0.0.0/0 113 -j ACCEPT > ipchains -I input 3 -l -p tcp -y -i ppp0 0.0.0.0/0 :1023 -j REJECT > > but as i mentioned i get DENY logs for various ports below 1024 from > IPs which i presume are from my ISP. > > any pointers to good books and such on firewalling would be nice too. > > </snip>
Are the deny's perhaps UDP packets? dyer