[CentOS] iptables routing question when using multiple IP addresses
Marcelo Ricardo Leitner
marcelo.leitner at gmail.comFri Feb 16 18:53:42 UTC 2018
- Previous message: [CentOS] iptables routing question when using multiple IP addresses
- Next message: [CentOS] CentOS 7 1708 won't boot after grub2 update
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
On Fri, Feb 16, 2018 at 02:54:02PM +0000, Ken Gramm wrote: > I've been searching around for a couple of days, and I just can't > seem to find the answer I'm looking for. > > > I have a 6.x box that I use as my gateway firewall. It has three > NICs; 1 external, 1 internal, 1 for a guest network. > > > I have various inbound traffic routed to separate internal machines > based on the application (ie. http, smtp, ftp, etc....). > > > All works well, but I'd like to add a second IP address to the > external NIC and then route a second https stream to a different > internal machine. > > > So https traffic on one IP address goes to one internal machine and > https traffic on a second IP address goes to a different internal > machine. This iptables -t nat -I PREROUTING -p tcp -i <ext interface) -d <newip> \ --dport 443 \ -j DNAT --to <different internal machine> Should do it. I guess it's very close to what you're using already, no? Maybe you matching only by interface instead. > > > Seems like it should be an everyday configuration, but I can't find > any clear examples on how to do it. > > > Could someone please point me in the right direction? > > > Thanks, > > > Ken Gramm > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos
- Previous message: [CentOS] iptables routing question when using multiple IP addresses
- Next message: [CentOS] CentOS 7 1708 won't boot after grub2 update
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
More information about the CentOS mailing list