sangprabv wrote:
> Hi,
> I have several virtual IP on my FW and one of them is eth1:4 1.2.3.4. I
> want connection from IP 2.3.4.5:3499 (the internet) to 1.2.3.4:3499
> forward to 5.6.7.8 which is behind the firewall. I have create this
> rule:
> DNAT net:2.3.4.5 loc:5.6.7.8 tcp 3499 - 1.2.3.4

If you want to enforce both the source and dest port restrictions, you want:

DNAT net:2.3.4.5   loc:5.6.7.8   tcp 3499 3499 1.2.3.4

One question -- how are you ensuring that the client at 2.3.4.5 is
binding to port 3499?

> Why the connection can't be made? Should I use ACCEPT? TIA

See the DNAT debugging tips in Shorewall FAQs 1a and 1b.

-Tom
-- 
Tom Eastep        \ When I die, I want to go like my Grandfather who
Shoreline,         \ died peacefully in his sleep. Not screaming like
Washington, USA     \ all of the passengers in his car
http://shorewall.net \________________________________________________

Attachment: signature.asc
Description: OpenPGP digital signature

------------------------------------------------------------------------------
Crystal Reports - New Free Runtime and 30 Day Trial
Check out the new simplified licensing option that enables unlimited
royalty-free distribution of the report engine for externally facing 
server and web deployment.
http://p.sf.net/sfu/businessobjects
_______________________________________________
Shorewall-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/shorewall-users

Reply via email to