Cisco Firewall :: ASA 5510 - Add A NAT Rule For Range Of Ports?

May 22, 2012

i have a cisco asa 5510 and would like to add a NAT rule for a range of ports like 50000-59999

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Cisco Switching/Routing :: RV042 - Firewall Blocks Ports Though Access Rule

Dec 10, 2011

I have a Cisco RV042 Wired Router. I've got a static IP and a MS Small Business Server in my Router Network. I have forwarded the essential ports to use the IIS and the Exchange Server of my SBS2011 (HTTPS, HTTP, smtp, rpc). I have also created some access rules for these ports, but I don't have any access on my server services, if the firewall is activated.
Here are my Firewall Access Rules from the RV042 Web Interface:

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Cisco Firewall :: ASA 5510 / 4GE SSM - FP L2 Rule Drop

Nov 10, 2011

ASA 5510 running without issues for a while but we needed extra port so added a 4GE SSM.
Having installed the 4GE SSM we had some issues with the card not liking a connection to our switches and only working by plugging directly from the server into the firewall, not great as we wanted extra servers on the line in the future.  So we upgraded the firmware and no are at an impasse.
We have upgraded to 8.0(4)3 and now we cannot get any traffic through the port, we can't even connect to an external DNS server.  Running a packet trace I get an immediate error on the first step '(l2_acl) FP L2 rule drop', and it appears as though the outside connection is down.
I have some experience on setting up basic port forwarding and NAT for internet access, webservers, mail but this has thrown me. 

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Cisco Firewall :: ASA 5510 Global Implicit Rule

Nov 24, 2011

I got a Global Implicit Rule problem with my Cisco ASA 5510. Here's my configuration : url...I created a PAT translation so that my web server (group LAN Network) could be accessed from the Internet.Although every rule seems to be ok, i got a "tcp deny access" when i try to telnet my public IP on port 80 (ping is ok).
Why is there only one Global Implicit Rule, and not one for each Interface (like in the older versions of ASA OS) ?

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Cisco Firewall :: Asa 5510 Error - Cannot Add Policy To Rule Engine

Mar 5, 2013

I am trying to add 89,462+ access list rules to an ASA 5510 running 8.2(5). I have added all the rules to an object group and when I try to apply the access list to an interface it gives me the following error:
ERROR: Cannot add policy to rule engine ERROR: Unable to assign access-list wan-out to interface wan
I have not tried not using an object group and just putting the rules in the access list. I want to be able to add to these rules if needed easily.
I think it's clear that i have exceeded the rule limit for the ASA. So my question is, what is the rule limit for an ASA 5510 and which ASA could I purchase that would handle this amount of rules?

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Cisco Firewall :: 5510 - After Disable Of Allow Rule Connection Is Still Active

Oct 25, 2011

I am managing a firewall setup with some ASA 5510's.One of the rules I have in the ACL list is to allow or deny (By disabling the rule) access to certain subnets.
I have a 3rd party vendor that from time to time need access to specific servers in the infrastructure, but I want to keep a certain level of control when they can access them and especially when they can not.
I know it works fine, I have done several tests to verify when they can connect and when they can not. But, now comes the tricky part, if they are already connected (Remote desktop) to the system, and I disable the rule, they are STILL!!! connected. It seems the firewall does not terminate the active session / cconnection when I disable the rule allowing them access..

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Cisco Firewall :: ASA 5505 - Cannot Add Rule Without Deleting Implicit Rule

Jan 18, 2011

what is the purpose of the "Permint all traffic to less secure networks".
Well I know the purpose and the technique to handle some sercurity level is nice. when I cannot add add a rule without deleting this implicit rule?
The technique of security level is then obsolete?

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Cisco Firewall :: ASA 5505 - PAT Range Of Ports

May 31, 2011

I've an ASA 5505 as my gateway for my internet at home. I've one public IP, so I use Port Address translatetion for my internal clients.
Now i wanna setup a FTP server, on a internal client. I will use Filezilla FTP server. I'm running the FTP server in passive mode, since the FTP server would be behind my ASA firewall/nat device.
I need 50 ports for the passive mode to be running.
I will use port range 50000-50050. I can easy make a firewall rule (access-list) that permit that port range.
But how do I PAT(NAT) a port-range on the ASA device? I can only figure out how to NAT one port at the time.

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Cisco Firewall :: Port Forwarding A Range Of Ports (PIX 6.3)

Dec 5, 2012

I have a network with multiple servers behind a PIX with 6.3 on it. I have one public IP address, and I'm using NAT. I'm currently trying to port my Exchange server to a cloud host, and the vendor is requiring I open up a wide range of ports for MAPI, basically ports 1024 on. What would be the command to forward all of the trafic cominto/from that broad range? if I could simply route all trafic to and from their two IP addresses to my email server, that would accomplish the same end goal.

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Cisco Firewall :: 3230 - How To Open Range Of Ports On Pix

May 8, 2011

I need to open the following ports on a pix:
-tcp 3230 to 3235
-udp 3230 to 3253

How do I open the ports?

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Cisco Firewall :: 5505 - Forward Range Of Ports In 8.4?

Mar 11, 2011

I have an ASA 5505 running 8.4(1), and I'm configuring it with ASDM 6.4(1).  The outside interface is configured with a single static address.  I have a few services port forwarded sucessfully to three different servers on the inside network.
I need to make a media proxy on a SIP server available to the outside.  It requires a large range of forwarded UDP ports for the media channels.
I tried adding a network object NAT rule like the others I'm already using to forward HTTP and RDP.  I entered a range of ports for the real port and the mapped port using the syntax 60000-60999.  ASDM accepted it, but the NAT rule list displays "Any" in the service column.  When I apply the change, I get the following error:
nat (inside,outside) static interface service tcp 60000-60999 60000-60999
ERROR: % Invalid input detected at '^' marker.
How do I forward a large range of UDP ports from the outside interface to a single server on my inside network?  I'd like to use ASDM, but I can switch to the CLI if that works better.

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Cisco Routers :: RVS4000 - Format To Input Into ACL Rule Range

Feb 18, 2012

I have read through the manual. My question is what is the proper format to input into the ACL rule "Range"?  Would as an example work- - Will the range effectively work? Or does it have to be -

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Cisco Firewall :: 5510 Block Country Range Of IP

Jan 4, 2012

I have a ASA 5510 device. I have been asked to block Ip range for India from accessing set of servers. Total   Subnets:  34,675,968.I really don't want to create a two mile long access list with all these subnets.

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Cisco Firewall :: How To Configure NAT Port Range On ASA 5510

May 22, 2012

i have a cisco asa 5510 and would like to add a NAT rule for a range of ports like 50000-59999

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Cisco Firewall :: Open Ports On Firewall ASA 5510

Apr 18, 2012

We have setup new ip camera system and as per our vendor to access the camera from outside we need to open,TCP ports and in firewall and forward to our camera server.
Let say our public ip address is and our local ip address for the camera is We have cisco asa 5510.

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Cisco Firewall :: ASA 5510 - Time Range / Allow Single Port During Business Hours Only

Apr 1, 2012

I'm new to an ASA 5510 running 8.4(3) and am trying to figure out something regarding time ranges in ASDM. I simply want to allow a single port during business hours only (I'm not concerned about open sessions needing to be closed). So as an example I add a rule something like:
(RULE1 on the internal interface) SRC=INTERNAL DEST=ANY SERVICE=RDP ACTION=PERMIT with a time range set for weekdays 8:00-16:59. I did a test after 5pm on a weekday and was still allowed to do RDP to a server (from INTERNAL), and after using the packet trace tool saw it was still passing through due to a rule a couple lines down (rule 4) that allowed a port range that happened to include port 3389. So my question is if I specify an "allowed" time range and someone attempts access outside that time range, why doesn't it drop it right there? I guess I'm assuming that anything outside the "allowed" time range would be dropped but that doesn't seem to be the case. I'm also assuming the rule base is processed top to bottom.

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Cisco Firewall :: Asa 5510 - Sometimes Boots And LED On Ports Comes On

May 9, 2011

Our cisco asa 5510 getting sometimes boot and sometimes not. sometimes LED on port comes back if boot and sometimes not. what are the parameter should be check to rectify problem.

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Cisco Firewall :: Open Ports On ASA 5510

Dec 1, 2011

I just finished implementing a VOIP install and I am trying to setup some softphones and in order to allow the softphones to work I need to open some specific ports for outbound.  I am not a Cisco guy, I am a Windows Administrator that also has to maintain my Cisco infrastructure. 

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Cisco Firewall :: Forwarding Ports On ASA 5510 With ADSM 6.4

Dec 16, 2012

Trying to get port forwarding going using ASDM 6.4 on a Cisco 5510
I want to forward port 25/Smtp to
I have added all the rules as outlined in the link below. [URL]
But when running an open port checker on [URL]
It says the port is closed, I have noticed that under Access Rules under the Hits columns it says 52 ?

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Cisco Firewall :: ASA 5510 8.3 - Unable To Open Ports?

Feb 19, 2012

I got a situation here for Nat-ed IPs i configured. I expected to open some ports on the interface to allow certain traffics to pass through, yet there are some of them are failed. Down is my current config.
object-group service DM_INLINE_SERVICE_1
service-object icmp
service-object tcp destination eq https


The only ports opened are 443, www, 3389 while ports domain, 5061,3478,3389. how to open domain, 5061, 3478, and 3389 ports on my ASA .

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Cisco Firewall :: How To Configure 4GE SSM Or ASA 5510 Internal Data Ports

Feb 4, 2013

I have inherited an asa 5510 whit 4GE SSM module installed. The asa runs fine, but i can not use the 4GE SSM ports. Using  ASDM or console i can get and configure the gigabitethernet1/x ports but i can not get traffic on it. The ping from the console to the ip address of the Gigabitethernet1/0 is successful. On switches or hubs connected to those ports i can not see the port's mac address. The two Internal-data0/0 and Internal-data1/0 are down and i can get they up. How to configure 4GE SSM or ASA internal-data ports.

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Cisco Firewall :: Enabling Traffic On E0/2 And E0/3 Ethernet Ports - ASA 5510

Aug 10, 2011

enabling traffic between interfaces on the ASA 5510. Of course I have an outside interface E0/0 and an inside interface (E0/1) for normal operation. The idea was to enable one of the remaining interfaces on the 5510 to attach an internal network resource to for management in case we lost our switch. I am using E0/0 as the outside interface and the inside interface is E0/1. I am wanting to attached a management device on the same inside network IP address range for simplicity. I have E0/2 configured for the same security level (100) as the other inside interface and I also have enabled same-security-traffic permit inter-interface as well but I still cannot access the device on that port. Is there something else I am missing? I guess the best way to explain this is that I want ports E0/2 and E0/3 to act like a "switch" so to say...... The ASA 5505 lets you do this pretty easy but having trouble on the 5510. 

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Cisco Firewall :: 5510 - Opening Ports For Video Conferencing?

Nov 7, 2011

We have just acquired a cisco profile 42 video conferencing equipment and am required to open ports for SIP and H232, any pointers on hw that can be acquired i have a cisco ASA 5510, Some one told me to open port 16384 but i need pointers on how to do it becuase I already set an access list to any.
the config
Internet -> ASA 5510 -> Switch -> Profile 42 and other devices

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Cisco Firewall :: ASA 5510 Real Time Logs Showing Incorrect Ports

Oct 17, 2012

I have an issue on an ASA 5510 that I have noticed today, when I am using the log viewer all of the information recorded only shows the high end source and destination ports.  For example
Source IP
Source Port 59886
Destination IP
Destination Port 59866
So what seems to be happening is that I am seeing only half of the connection in the log viewer, I see the side with the high end ports and not the side with the ports the application uses, this example was done with a ping. All my services are working correctly and the client sending the ping gets the response expected, it just seems I have lost the logging display?

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Cisco WAN :: ASA 5510 / Backup Isp Requires Changed Dynamic Rule?

Dec 14, 2011

I have one ASA 5510, a primary ISP (cable, the single public IP lives on the ASA), and a backup ISP (ADSL, separate router that hosts its single public IP). I use IP tracking to detect link down on the primary. When I pull the plug on the cable modem and go to "Route monitoring", I can see the ASA's default route is now the backup ISP default route.That conforms with [URL]  Pings to fail however, and when I do a packet trace the ASA complains about the dynamic nat rule that still points to the primary ISP's interface.Only when I change the existing dynamic NAT rule (on my inside interface) to use the backup ISP's pool (which is a single 192.168.x.y address) , does reply to my pings. So it kinda works but it's not full auto . I can't add a second dynamic nat rule on the same inside interface, nor can I select 2 IP pools in a single dynamic nat rule.

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Cisco Switching/Routing :: ASA 5510 Connectivity - Rule To Block Protocols

Nov 29, 2012

I've configured an ASA 5510 FW with asa901-k8 ios. on it's "inside" port there is network. there is another network ( in my system that can be reached via another router which has ip address. when a client in the 10.90 network wants to reach the 10.190 network the fw redirects the request to the router ( because the fw is my gateway. there is no problem so far... but... while i can ping and traceroute a 10.190... user from 10.90... network, i can't use any non-icmp appliactions. for example i can't use rdp programs, http web interfaces of some devices on remote network ( what can cause that? is there any rule in asa that blocks these protocols?

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Home Network :: Set A Rule In Router 1 To Forward All Ports To Router 2?

Jul 13, 2012

Router 1
Cisco EPC2420 to ISP via F-connectorConnects to Router 2
Router 2
Asus DSL_N55U to Server)

So I bought router 2 but since it doesn't have an F-connector input I need to keep router 1 in the infrastructure so I can connect to the internet.The port forwarding on router 1 is a limited list so I can only add so many rules and would rather have my router 2 do this as it alot better but i cannot seem to get it to work.So I set a rule in router 1 to forward all ports to router 2 and then setup the port forwarding in router 2 to send port 22 to my linux box but it didnt work.

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Cisco Firewall :: Unable To Edit IP Based ACL Firewall Rule In RVS4000?

Apr 8, 2012

I am a novice with networks but do have a fair understanding of networks. I have a small business network, utilizing a RVS4000 router (Firmware V2.0.27)I am attempting to set up firewall rules to block certain web sites at certain times.I have successfully set up rules using source and destination ranges, to deny service 24 hours a day everyday.
However and here is the problem when I attempt to edit any of the rules (I want to change the time to certain hours of the day) it allows me to edit the rule but when I attempt to save I get an error message up saying there are invalid characters and it will not save the changes?create the whole thing with the changes I want it works fine, is this a known bug?

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Cisco Firewall :: ASA5505 Firewall Rule Not Blocking

Apr 1, 2013

I'm trying to troubleshoot an ASA5505.
The original goal was to block "Mumble/Murmur" (a voip app) traffic, which runs on TCP/UDP 64738, both inbound and outbound, except to a certain host (
However, when nothing I tried seemed to make a difference, just to troubleshoot, I decided to try blocking all inbound traffic.  I first disconnected ethernet port 0/0 to ensure that it was cabled correctly and the outside interface went down when I did.  That worked as expected, so I confirmed I had the right interface and it was cabled correctly.
I then applied a "any any deny ip" rule as the first element in the outside interface access_list, as you can see below.  However, it appears to have had no real effect and the hit count is very low (it should be astronomical).
show ver 
Cisco Adaptive Security Appliance Software Version 9.0(2)
Device Manager Version 7.1(2) 
Compiled on Thu 21-Feb-13 13:10 by builders
System image file is "disk0:/asa902-k8.bin"


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Cisco Firewall :: Rv042 - Firewall Access Rule

Jun 3, 2013

I have a server behind an rv042 that i would like to block access to on one port from outside in.  I have configured the rule as follows:
priority = 1.  policy name<name>.  enable<checked>.  action = deny.  service <service to block>. source interface = wan1.  sources = any.  destination = <public ip address of server>.  day <nothing>. 

This does not block the intended port from outside.  I also changed the destination to be the private ip address and i changed the source interface to LAN and to *.  What is the correct syntax to do this?.  Port forwarding is enabled.  I noticed that there is one entry in the forwarding table for the public ip but it is going to a dead private ip address.  Would this have an effect? 

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Cisco :: Range Of Ports In Packet Tracer

Oct 27, 2012

I'm preparing myself for CCNA exam and i started doing a lot of different examples. I've got problem with Packet Tracer when i'm trying to apply some security settings for the range of switch ports in default VLAN 1. I might just demonstrate my commands so it will be easier do understand.

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Cisco WAN :: Can't Create NAT Entry For A Range Of Ports With CCP On 877

Mar 17, 2011

Using CCP I am trying to create a NAT entry for a range of ports. CCP window for a new NAT has only one entry for the port #. Is it possible to set uf port ranges in 877 router?

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Cisco Routers :: Forward Range Of Ports With RV180W?

Oct 14, 2012

I am new to the RV180W. I am running the most recent firmware--version
I am having trouble getting FTP to work with my QNAP NAS.
QNAP indicates that I should forward ports 55536-56559 to my NAS. I created a custom service to accomplish this, and then, under port forwarding, I selected the service and forwarded it to the private IP that corresponds with the NAS.
However, the port forwarding configuration only allows me to specify *ONE* internal port. With other routers I have always specified the same private port *RANGE* that corresponds with the public ports that I have opened up.

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