Re: why can't I DNAT SIP?

[sean darcy <seandarcy2@gmail.com>]

Jan Engelhardt wrote:
> On Saturday 2008-05-10 04:04, sean darcy wrote:
>>> - What helpers are loaded (both NAT and conntrack)
>> ?? How would I find out? If you mean modules:
>>
>> lsmod | grep nat
>> iptable_nat            11461  1
>> nf_nat                 22381  1 iptable_nat
>> nf_conntrack_ipv4      21837  5 iptable_nat
>> nf_conntrack           64585  4 xt_state,iptable_nat,nf_nat,nf_conntrack_ipv4
>> nfnetlink               9945  3 nf_nat,nf_conntrack_ipv4,nf_conntrack
>> ip_tables              16517  3 iptable_raw,iptable_nat,iptable_filter
>> x_tables               18629  5 xt_state,ipt_LOG,xt_tcpudp,iptable_nat,ip_tables
> 
> I would have expected to find nf_nat_sip here.
> --

I've seen references to nf_nat_sip, but no docs, howto or examples. What 
does it do that simple port forwarding doesn't? and how do you use it?

sean