Cisco Firewall :: How To Create Port Forward In ASA 5510

Sep 8, 2010

Successfully creating a port-forward in ASA5510, ASA version 8.3(1) ASDM6.3(1)?I have spend hours now trying, but I'm still unsuccessful.What I want is a simple: "if this particular ip-adress hits the wan interface on this tcp-port redirect to this inside ip-address on this tcp-port.I have never had any trouble on any other firewall creating something like this, but the ASA is killing me.

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Cisco Firewall :: Port Forward On Our New ASA 5510

Oct 11, 2011

i´m trying to make a traditional port forward (http to http) on our new asa5510. Previous releases off 5505 and software prior 8.3 was no problem. Could someone tell me how do it in new 8.4 version? I ám a rookie on the new ASA series!
 
If nothing makes sense in this configuration please give example on how to do it correct. The object on the inside is SRV02 wich is running a webserver on port 80. So i want to open upp for http on outside interface and forward that traffic to srv02 (inside webserver)

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Cisco Firewall :: 5510 NAT Port Forward Based On Public Source IP?

Dec 27, 2011

I have one public IP address but multiple local servers that run on the same port. I cannot change the port the clients use to connect to this server, so I can't do a port map in my NAT router. The solution I had in mind, is to filter on source address. If a client from public IP X.X.X.X connects to port Z, I want it to go to internal server 10.10.10.10 and if a client from public IP Y.Y.Y.Y connects to port Z, I want it to go to internal server 10.20.20.20. Is this possible? I'm using an ASA5510 but I could also switch to a 5505 for this.

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Linksys Wired Router :: RV042G / Create Service To Forward Public Port 9010 To Internal IP Address With Port 23?

Oct 12, 2012

Is it possible to create a service which will forward public port 9010 to an internal IP address with port 23?First of all, I do not like to open the public Telnet port to the inside so I would use another public port and second my ISP does not allow some public ports beneath port 80?

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Cisco WAN :: Forward TCP Port To Server On LAN - 5510

Jul 2, 2012

I need to forward traffic from an Amazon server to an internal server with a SQL database on it so need to forward TCP 1433 to an internal IP (192.168.252.43) I have created an access rule to allow the amazon IPP through on 1433 but I am unsure how to point the traffic to the SQL server on the LAN.
 
I expect I will need to create a NAT rule to do this but cannot see how to achieve it.
 
I have another problem concerning a site to site VPN which establishes OK but does not pass traffic, I will post that question separately.

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Cisco Firewall :: How To Forward Hit Request On 5555 Port To 80 Port

Nov 7, 2011

I have one server 172.16.0.100 and i nat this server to a public ip X.X.X.5 and i open RDP for this public ip.Now when i access Remote desktop on this public ip x.x.x.5 it open perfectly.Now my senario is that i want to open a http url on port 5555,server ADMIN open port 80 for this URL on LOCAL lan(http://172.16.0.100:80)So how can i map port 5555 to port 80 on ASA 5520.so when i hit URL [URL]

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Cisco Firewall :: How To Do Port Forward On 871

Sep 20, 2011

I always seem to have problems when trying to configure port forwarding on cisco routers. I've even tried the instructions I have for a cisco 1811, but no luck. I have a cisco 871 and a computer that has VNC installed on it. I want to be able to access that computer from out side the network using the external ip address and port 5950. People outside the network will be able to open vnc viewer and type in *external ip address*:5950 and it will be directed to the computer with a static internal ip address of 10.12.0.10. What commands do I use to do this?

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Cisco Firewall :: ASA 8.4(4)1 / Port Forward From The Outside To Inside?

Nov 20, 2012

My internet works.  However port forwarding does not work.  I want to port forward from the outside to inside obviously.  I get an error in my log file which Ill show you and then I will share the running-config I have tried using this method found elsewhere. 
 
========================================================================================================
ATTEMPTED CONFIG
 object network inside-host
  host 192.168.100.4
  nat (inside,outside) static interface service tcp 3389 3389
access-list Outside-2-Inside line 1 extended permit tcp any host 192.168.100.4 eq 3389 log informational interval 300
 access-group Outside-2-Inside in interface outside

[code]....

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Cisco Firewall :: Another NAT Port Forward On ASA505 With 9.1 (1)

Jan 19, 2013

I'm trying to do a normal port forward on a ASA 5505 with 9.1(1) and it is not working as it should.There are two ports that I want to forward, TCP 32000 and TCP 32001, from the outside interface.I tried a Auto NAT that gave rpf-check drop. [code]
 
I have tried diffrent configurations on this for several hours now and I cant get it to work.Could this be asymetric NAT with the dynamic rule? How can I troubleshoot this in a smart way?

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Cisco Firewall :: ASA 8.3 Port Forward Denied By ACL

Jan 1, 2012

I consider the NAT mechanism to be quite straight forward, but although the firewall ACLs allow the traffic, it is being denied. The ASDM log and packet-tracer indicate the problem being an ACL.
 
# the internal resource
object network mabe-mbp
host 10.0.0.36
!
# these are ALL of the rules on the outside/inside interfaces
access-list outside_access_in extended permit tcp host 1.2.3.90 any eq 12380 log disabled
access-list outside_access_out extended permit ip any any log
access-list inside_access_in extended permit ip any any log
access-list inside_access_out extended permit ip any any log (code)

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Cisco Firewall :: 5510 Asymmetric NAT Rules Matched For Forward And Reverse Flows

Jul 29, 2012

I am seeing the following error on my Cisco ASA 5510 running 8.4(4):Asymmetric NAT rules matched for forward and reverse flows; Connection for tcp src inside:10.1.0.8/1798 dst inside:10.1.0.14/25 denied due to NAT reverse path failure .Doing research I see there are plenty of nonat statements regarding connecting from one interface to another, but why am I seeing this error on the same interface.All our servers are connected via a Cisco 3750G switch with a very basic config.  Why is the firewall interjecting itself and causing these issues?

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Cisco Firewall :: Port Forward Telnet On ASA 5520?

Sep 26, 2012

I have a cisco asa 5520. i need to forward telnet to a router on the inside interface. Here is what i have done so far but it doesnt seem to be working.
 
I have created an access-list that looks like this:
 
access-list 102 extended permit tcp any host 10.10.60.2 eq telnet
 
But when do this it still doesnt forward my request to the router at 10.10.60.2 . So just to explain what im trying to do. I use Putty, i am putting the outside interface IP into putty, selecting telnet and opening the session. i need the outside interface to see this request and know to forward port 23 to the router on the inside interface with IP 10.10.60.2. The ASA is running version: asa842-k8.bin

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Cisco Firewall :: ASA 8.4 Port Forward Command Request?

May 7, 2013

i can't do it with ASDM and try to use command but still fail
 
nat (inside,outside) source static inside-10.18.20.162 4F-1.1.1.2
 
it is working fine for the above command if there is more than one public ip, in case 1.1.1.1 is for firewall interface public ip?if i have only one public ip and i would like to forward http traffic to my internal network? how can i use command to do that?

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Cisco Firewall :: Create Vlans In ASA 5510?

Oct 25, 2011

I need to be able to create vlans in my ASA 5510.
 
I can'T find anywhere to do this.
 
I've tried the "routers command" I know, like vlan databse and it does'nt work
 
Is there a way to "enable" vlan on a ASA 5510 ?

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Cisco Firewall :: Create VLan On ASA 5510 (8.2)?

Feb 25, 2013

User want to create on 5 network , 100.x , 200.x , 210.x , 250.x , 220.x .at the ASA5510, no enough port for 5 network.So I want to create 4 vlans on eth 0/3. I can create vlan but i cannot run this command " switchport mode trunk"   " "switchport trunk allowed vlan list" how can be done for that?

Actually i want to use like thisASA5510-----4 vlans on eth 0/3------switch----vlan200,vlan210,vlan250,vlan220.

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Cisco Firewall :: ASA 5510 Cannot Create A Interface VLAN

Mar 23, 2013

May I know the reason why we cannot create interface vlan on Cisco ASA 5510?

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Cisco Firewall :: 5510 - Create Network Object For IP To NAT Through? 

Jan 30, 2012

I have recently upgraded my ASA 5510 to 8.3 code and honestly I am confused on the best and most efficient way to do many nat translations through it.  I have a group of about 100 IP's that need http/https/and sqlnet allowed through for our web farm.
 
I have a text file with the real and translated IP addresses and in 8.2 I could simply modify it and dump the thing in and make the NAT rules and access-lists.  Now with the new object based model I am having a hard time wrapping my brain around how to do this using as few lines of code as possible.
 
Do I have to create an network object for each and every IP i want to nat through? 

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Cisco Firewall :: ASA5505 Can't Port Forward Traffic From Two External IP Addresses

Dec 30, 2012

I am a total Cisco novice who has just had a ASA5505 installed to replace a linux freeware firewall (smoothwall).I'm told that the 5505 can't port forward traffic (e.g. ssh) from two external IP addresses to two internal destination machines via the same port # (22 in this example).

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Cisco Routers :: RV120 VPN Firewall Unable To Forward Port 1723

Jul 25, 2011

I'm having a problem forwarding port 1723.  What i'm trying to do is to use VPN to access my server pc and I don't want to use the VPN software that is in the router.  When I telnet the port it goes through but when i try to access it outside of the office I can't get through.  I've been using [URL] to check port 1723 and I get this:

Error: I could not see your service on XX.XX.XX.XX on port (1723)
Reason: Connection refused

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Cisco Firewall :: 5505 Port Forward External Clients To 1 Address

May 4, 2011

I have a couple of ASA 5505's which work fine for what they are doing VPN and all that - we have 1 DLINK DFR-700 Firewall left and I need to get a new ASA to replace this since it is old.
 
All this box really does is port forward external clients to 1 address on the internal lan for client software updates. Any example configs?
 
So lets say we have client a with IP 1.1.1.1 and client b has 2.2.2.2 - at the moment this is what happens client a and b come in through http and get mapped to the internal http server 10.10.1.2
 
So I need to setup about 100 clients which can come in through http only - get mapped to the internal IP and also keeping the internal server to be able to access anything outside.

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Cisco Firewall :: 5510 ASA Cannot Create Sub Interfaces For Intervlan Routing

Apr 8, 2013

I am trying to setup intervlan routing with a Cisco ASA 5510 and two 2960-S switches. The 5510 currently is using ASA Version 7.0(2) and has a base license. I tried to create a sub interface today based on some info I found regarding the routing piece and it didn't recognize the command. I'm thinking I may need to update the IOS code or the license on the firewall. I know the syntax was correct because I looked it up and found it in a Cisco document.

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Cisco Firewall :: Create Dhcp Server Pool On ASA 5510

Jul 16, 2012

I'd like to create dhcp server pool on ASA 5510. I was wondering how big is the DHCP scope that Cisco ASA 5510 can support? Are there any ASA models which can support up to subnet mask 22 for DHCP scope?

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Cisco Firewall :: Unable To Create VLAN Interfaces In ASA 5510

Nov 13, 2011

Unable to create VLAN interfaces in ASA 5510

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Cisco Firewall :: Open A Port In ASA 5510 Firewall Using ASDM?

Oct 20, 2012

I would just like to to open UDP port 123 in the ASA 5510 Firewall so that our Primary Domain Controller could use this port to sync time with an external time source. We have already added an access rule for this port under the firewall configuration in ASDM 6.4 and this port was also allowed in the inbound and outbound rule of the PDC's Firewall but it seems that it was still blocked.

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TP-Link ADSL2+ Wireless :: TD-W8968 - Forward External Wan Port Like 49150 To LAN IP On Port 22?

Nov 18, 2012

Region : Italy
Model : TD-W8968
Hardware Version : V1
Firmwae Version : latest
ISP : telecom italia business on ipatm

How to Forward an external wan port like 49150 to lan ip on port 22?In the control pannel I can set only one port , and this port will be the same where the connection will be router to the lan ip ,therefore If I set the port 22 , the connection will be natted to the 22, but how to set a different external port to a specified different lan ip port?

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Cisco Firewall :: ASA 5510 6.1 To 8.X Via USB Port?

Jul 23, 2012

I've got an unconnected ASA 5510 running IOS 6.1 that I need to upgrade to 8.X (I believe 8.4 is available). The unit is a blank/default configuration and is not on any network so it can't be easily accessed via Ethernet. Is there a method that I can use its onboard USB port (0 or 1) to plugin a USB memory stick with the 8.X...bin file and process the upgrade that way?

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Cannot Port Forward Or Open Port For Utorrent

Sep 18, 2012

I have only recently noticed a HUGE decrease in my Utorrent speeds, so i thought i would have a gander and lo and behold.apparently the port Utorrent uses wasn't open. Now, i have tried about 10 different port numbers, made sure Utorrent is being accepted by Norton 360 Firewall,followed complicated directions to (i think) foward ports, and also follow directions to open a specific port.Nothing has worked so far, Utorrent still comes back with a port closed error.

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Cisco Firewall :: Port Forwarding With ASA 5510?

May 2, 2011

i have a asa with a outside IP address of 140.32.121.5. behind this firewall i have a cisco MWR 2941 that i would like to connect to via telnet. its inside ip address is 10.10.10.2. my reasoning for this is because i cannot SSH or telnet from a ASA so i need to have the ASA push my telnet request to the router on its inside interface.i have tried some NAT examples but i am very green with NAT. i have also built access lists that look like the follow " access-list 101 permit tcp any 10.10.50.2 eq 23. and then tied the access-group 101 with the outside interface. this also with no success.

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Cisco Firewall :: ASA 5510 Blocking Port 25?

Dec 13, 2010

I have a Cisco ASA 5510. I have detected an infected workstation on my internal LAN which has caused my IP to be blacklisted by Barracuda Networks and other RBL. I have scanned and cleaned the workstation removing the spambot. I want to prevent all my internal workstations from sending SMTP traffic on Port 25 through my ASA 5510 device. I only need to allow my Exchange Server access to send out traffic on port 25. configure this setup using ASDM 5.0?  I know it may be easier using CLI, but using the ASDM would really be preferred.

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Cisco Firewall :: ASA 5510 And Port Forwarding?

Oct 23, 2012

I have a Cisco ASA 5510 appliance running ASDM 6.3 We have a number of public IP addresses associated with our company. In order to utilise the IP addresses effectively I want to use one puplic IP address for two servers running on different ports.e.g.
 
Public IP address 78.109.174.100
 
for both
 
Server 1 HTTPS and HTTP
 Server 2 FTP
 
Both Servers live in the same subnet (DMZ) I believe this maybe port forwarding but could be completely wrong. I've tried creating a NAT rule that goes from Server 2 Network object to Server 1 external but this didn't work.

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Cisco Firewall :: ASA 5510 How To Open Port 25

Feb 14, 2012

We have an ASA5510 that we need to open port 25 to allow mail traffic to our internal Exchange server.We have 2 interfaces defined... one named Internal on eth0/3 ip 10.1.x.x and one named Internet on eth 0/0 ip 96.56.x.x.We followed the instructions in ASDM for allowing access to a public server but confusion over definitions have stopped us.ASDM asks for the internal interface and the internal server IP... no problem there because the internal interface and server have two different IP addresses.  The Internal interface is eth 0/3 (10.1.1.1) and the server is 10.1.1.2.
 
However, when we get to the External interface (eth 0/1) there is only a single IP address 96.56.x.x but the ASDM asks for an Interface IP and the IP people would use to get to the mail server from the outside.  Inasmuch as we have only 1 external IP address (which connects to our upstream Cisco router which in turn connects to the ISP modem) we used the same IP for both but the ASDM returns an error indicating they must be different.
 
Apparently we do not have a clear understanding of what the ASDM is actually asking for.  When the ASDM asks for the external interface we assumed it was asking for the named value we gave the interface (which is Internet).  The named value "Internet" has an ip associated with it 96.56.x.x.  But when the ASDM asks for the ip people on the outside would use to get to the mail server (we created a named value called "mail server" and gave it the same ip address as the external named value.  This duplication of ip address causes the ASDM to return the error stating that external Interface to be used and the external ip to be used cannot be the same.Have we made an error when we assumed that when the ASDM asked for the external interface it meant the ip of the external interface or was it asking for the eth number (as in eth 0/0) for the interface? 

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Cisco Firewall :: ASA 5510 8.4 Nat And Port-forwarding?

Jun 6, 2013

I'm trying to forward an internal service on a internal  server to the external interface on the same port on the outside  interface of our ASA.I been searching for a solution for days and found nothing.Here are the relevant parts of my config:

: Saved
:
ASA Version 8.4(2)
!
object service TCP-WebServer-8080
service tcp source eq 8080
object network WebServer_Object_10.1.10.7
host 10.1.10.7

[code]....
  
So it looks like it's being dropped by an ACL, but it looks right to me.

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Cisco Firewall :: Port Forwarding Using ASA 5510

Dec 3, 2012

I have a ASA 5510. I want to access the internal server IP through the ASA via http://60.54.x.x:8080/sms/DnNotify ( via port 8080).How do i configure it? NAT? ACL? configure port?

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