Re: [CentOS] DNS or firewall problem

Thomas Dukes wrote:

...

Do u have ipv4 forwarding on in your /etc/syscttl

Uhhh, in /etc/sysctl.conf,

net.ipv4.conf.ip_forward = 0 ??

change to = 1 ??

I have more or less the same setup as you, and I have net.ipv4.conf.ip_forward = 0 in /etc/sysctl like you, but I have no problem accessing my server from my laptop.

I am running shorewall, and it would be easy to set this up to have the effect you describe.

I have the line loc $FW ACCEPT in /etc/shorewall/policy . The default is loc $FW REJECT info which would have the effect you describe.

Nb I don't really understand iptables, but I find shorewall does most of the thinking for me.