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Asa5505 to route port 443 to 2 different IP's

Posted on 2013-10-23
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Last Modified: 2013-10-27
Hi experts

I have a client with:
-  only one IP address  
- an ASA5505 in front
- 2 webservers on the inside

I need to direct all https / port 443 traffic to webserver #1, unless the traffice comes from a specific IP, then it needs to go to webserver #2.

using a different port for server02 is not an option. Is this possible?

I tried this but it directs everyting to #1 stil..:
static (inside,outside) tcp x.x.x.x https webserver2 https netmask 255.255.255.255
static (inside,outside) tcp interface https webserver1 https netmask 255.255.255.255
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Question by:Sander123
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4 Comments
 
LVL 12

Accepted Solution

by:
Henk van Achterberg earned 450 total points
ID: 39595654
and this?

object network webserver1
 host x.x.x.x

object network webserver2
 host x.x.x.x

object network special_ip
 host x.x.x.x

object service nat-https
 service tcp destination eq 443

nat (outside,inside) source static special_ip special_ip destination static interface webserver2 service nat-https nat-https unidirectional no-proxy-arp
nat (outside,inside) source static any any destination static interface webserver1 service nat-https nat-https unidirectional no-proxy-arp

access-list outside_access_in extended permit object nat-https object special_ip object webserver2
access-list outside_access_in extended permit object nat-https any object webserver1

I am doing this from head so if there is a syntax error please let me know!

P.S. You will need the ASA 9.x version to do this properly!
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Author Comment

by:Sander123
ID: 39596682
Hi Henkva

txs, I prob should have mentioned this ASA is on fw 7.2(4) .
I could try and upgrade to fw 9 but i'd rather have some other solution since the device is one of the older models so i don't know if it can handle fw 9..
Also it's on the other side of the country so if i can avoid spending 6 hours in the car i'd rather do that ;)

Is there no way to do this with firmware 7.2?

Thanks
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LVL 2

Assisted Solution

by:mannyfernandez
mannyfernandez earned 50 total points
ID: 39596824
Sander23,

Sadly, I do not think there is  way to do this with the legacy code.  Although the 9 train is preferred though, you CAN do it on 8.3 and above.

Manny
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LVL 12

Expert Comment

by:Henk van Achterberg
ID: 39596838
You will need 512MB RAM to run 8.3 though.
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