Duh, add memory? But then again, you haven't included your system specs, neither a good view of the log entries. It's fairly impossible to draw a good conlsusion from the sparse info you supplied. -Sietse ________________________________ From: netfilter-bounces@xxxxxxxxxxxxxxxxxxx on behalf of robee Sent: Wed 07-Jun-06 10:46 To: netfilter@xxxxxxxxxxxxxxxxxxx Subject: Re: iptables - resource temporary unavailable ----- Original Message ----- From: "Sietse van Zanen" <sietse@xxxxxxxxx> To: "robee" <mlody@xxxxxxxxx>; <netfilter@xxxxxxxxxxxxxxxxxxx> Sent: Wednesday, June 07, 2006 10:07 AM Subject: RE: iptables - resource temporary unavailable > This is usually due to a lack of memory... > -Sietse > ________________________________ > From: netfilter-bounces@xxxxxxxxxxxxxxxxxxx on behalf of robee > Sent: Wed 07-Jun-06 9:54 > To: netfilter@xxxxxxxxxxxxxxxxxxx > Subject: iptables - resource temporary unavailable > any time when i'm restarting my firewall rules (NAT mostly, about 500 > users) i got this error -> iptables - resource temporary unavailable. > but, if i unplug users (main switch off) and restart firewall everyting is > fine > my system is fedora core 4, iptables 1.3.5, kernel 2.6.16.18 > anybody can help? > robee so, what you suggest? robee