Redirect outgoing traffic

harish.golwilkar · 04-01-2015, 10:19 AM

Hi All,

I am using Solaris 10.
I want to change the out going traffic.
Say
Server IP 10.10.10.1
App/DB server IP 10.10.20.1.
New IP of App/DB server 10.10.30.1.

The traffic flow should be like

10.10.10.1 -> 10.10.20.1 -> 10.10.30.1

10.10.20.1 IP is going to change and the Application which is hosted on 10.10.10.1 is pointing to 10.10.20.1 and Apps team do not have the source code.

Can someone please help.

Thanks,
Harish

agentbuzz · 04-01-2015, 10:35 AM

harish.golwilkar,

I am just guessing that you are running an Apache web front-end and that Apache should forward requests to the app-DB server on the back-end. If so, there may be changes that you need to make to your httpd.conf and maybe your tomcat config files.

You can get some idea of what your Apache server is doing by reading the httpd.conf.

Quote:

find / -name httpd.conf

When you find httpd.conf, edit it with vi or nano.

harish.golwilkar · 04-01-2015, 01:09 PM

it is combination of Apache and Java, code is in Java.

harish.golwilkar · 04-02-2015, 01:38 AM

say X is the server ip which sends traffic to another server which has Y IP.
Now we are going to change Y IP with Z.
Application team do not have the source code to update the new Z ip in their code.
Can we do something at OS level so that traffic can be redirected to Z instead of Y ?

zhjim · 04-02-2015, 04:13 AM

you could use the -j DNAT target of an iptables rule.

Quote:

iptables -d 10.10.20.1 -j DNAT --to 10.10.30.1

check out the man page for the correct syntax

jlliagre · 04-02-2015, 03:03 PM

You can't as iptables is Linux specific. The alternative is ipfilter: http://www.linuxquestions.org/questi...tables-611225/

zhjim · 04-07-2015, 04:02 AM

My bad. Forgot that it is solaris.