Re: [CentOS] Inquiry:How to enable NAT on CentOS 5 ?

2009-11-23 Thread hadi motamedi
Sorry. It seems that I didn't illustrate what I mean correctly . I mean that
it is appeared to me that my CentOS 5 server will support for NAT by default
(as I checked it on VirtualBox) but after Asterisk  DECT installation it
does not . Can you please let me know which settings maybe influenced and
need to be double-checked ?
Thank you in advance



On Mon, Nov 23, 2009 at 7:54 AM, Barry Brimer li...@brimer.org wrote:

   Dear All
  On my CentOS 5 , I installed the Asterisk 1.4.13 and DECT application
  software and then when I want to try for NAT I issue as the followings
 :
  #iptables -t nat -A POSTROUTING -s 10.20.30.0/24 -o eth0 -j MASQUERADE
  But it didn't get through . So I checked if the NAT is enabled on
  my CentOS server , as the followings :
  #echo 1  /proc/sys/net/ipv4/ip_forward
  But still I cannot try for NAT . Can you please let me know which other
  setings maybe influenced and need to be checked for enabling the NAT ?

 You have your outgoing traffic NATed .. but you need a PREROUTING rule to
 forward the traffic to your Asterisk server.
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[CentOS] Inquiry:How to enable NAT on CentOS 5 ?

2009-11-22 Thread hadi motamedi
 Dear All
On my CentOS 5 , I installed the Asterisk 1.4.13 and DECT application
software and then when I want to try for NAT I issue as the followings :
#iptables -t nat -A POSTROUTING -s 10.20.30.0/24 -o eth0 -j MASQUERADE
But it didn't get through . So I checked if the NAT is enabled on
my CentOS server , as the followings :
#echo 1  /proc/sys/net/ipv4/ip_forward
But still I cannot try for NAT . Can you please let me know which other
setings maybe influenced and need to be checked for enabling the NAT ?
Thank you in advance
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Re: [CentOS] Inquiry:How to enable NAT on CentOS 5 ?

2009-11-22 Thread Barry Brimer
 Dear All
 On my CentOS 5 , I installed the Asterisk 1.4.13 and DECT application
 software and then when I want to try for NAT I issue as the followings :
 #iptables -t nat -A POSTROUTING -s 10.20.30.0/24 -o eth0 -j MASQUERADE
 But it didn't get through . So I checked if the NAT is enabled on
 my CentOS server , as the followings :
 #echo 1  /proc/sys/net/ipv4/ip_forward
 But still I cannot try for NAT . Can you please let me know which other
 setings maybe influenced and need to be checked for enabling the NAT ?

You have your outgoing traffic NATed .. but you need a PREROUTING rule to 
forward the traffic to your Asterisk server.
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