simple nat dilemma

2002-06-13 Thread patrick conlin
Hello everyone, Let me preface this by saying that I am seriously disappointed by my failure to figure out what I'm doing wrong here, and any admonitions I receive from ramin for being an idiot will be appreciated. I've been using ipchains for a over a year for simple packet filtering and am now

general policy question

2002-06-07 Thread patrick conlin
does one generally set the -P on their mangle table chains to DROP, even if you're not using them for anything? usual procedure says set -P on all chains to DROP and allow what's necessary, but if you're not using your mangle table chains for anything and you set -P to DROP (on the iptables -t

mixing static and dynamic mappings

2002-06-07 Thread Patrick Conlin
seeking advice... i have a /29 range of public ips from my isp. all but one of the ip addresses are taken up by static mappings (servers of various functions/domains) to addresses on my 10.1.1.0/24 internal network. what i'd like to do with the remaining public ip address is use it as a sort of

Re: Outgoing SMTP Mystery

2002-06-05 Thread patrick conlin
Just as a side note, the numbers in the brackets are how iptables-save/restore keeps the counter information. [packets:bytes] on 6/4/02 19:46, [EMAIL PROTECTED] wrote: :PREROUTING ACCEPT [241:88600] -=p=-

Re: Converting from Cisco NAT to IPTables

2002-05-24 Thread patrick conlin
- eth2 - 10.102.104.0 - eth3 - 10.103.104.0 Then it's just a matter of standard SNAT and DNAT based on interface. Why the funky netmasks on the 3 internal networks? Do they have subnetworks of their own? patrick conlin