[ale] iptables issues with dual NIC'd hosts?

Phil Turmel philip at turmel.org
Fri Jan 26 13:21:13 EST 2018


On 01/26/2018 01:01 PM, leam hall via Ale wrote:
> Using RHEL 6, two hosts (A, B) each with two NICs, Each host has one
> NIC on each of two VLANs. Tomcat on Host_A rying to connect to MySQL
> on Host_B, port 3306. iptables on Host_B looks open (0.0.0.0) for
> TCP/3306.
> 
> Host_A_NIC_0 can connect to Host_B_NIC_0 TCP/3306
> HOST_A_NIC_1 can NOT connect to HOST_B_NIC_1  TCP/3306.
> 
> They are 1 IP off and NIC_1 can ping NIC_1, but not connect TCP/3306.
> 
> Thoughts on how to figure out why when iptables looks open?

I don't see any flaw in the iptables rules you posted.  /-:


More information about the Ale mailing list