Cisco Firewall :: ASA5505 / Port Forwarding Not Working?

Apr 6, 2012

I'm not able to access my Slingbox from the outside.  I've set up port forwarding on port 5001 to allow outside connections in, but port forwarding isn't working.  Am I missing something?
 
object network INSIDE-HOSTS
subnet 10.10.10.0 255.255.255.0
object network Slingbox
host 10.10.10.254
object-group protocol TCPUDP

[code].....

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Cisco Firewall :: ASA5505 - Port Forwarding For L2TP

May 25, 2011

I have a Windows 2003 server running a L2TP VPN server on it. I'm putting theASA5505 in replacement of an open source firewall.
 
My question is that, I can't seem to forward the ports correctly for L2TP to the internal address of the 2k3 VPN server. It seems to me that the ASA is trying to negotiate the VPN connection rather than forward it internally.
 
Cisco ASA5505
WAN 216.136.1.2
LAN 10.1.1.1/24
Windows server - 10.1.1.14
 
I've added the NAT and ACL and still nothing.

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Cisco Firewall :: Port Range Forwarding On Post 8.3 ASA5505

Jun 1, 2011

I have an ASA 5505 on a job. It is a smaller business that would have done better with an RV082, but they have what they have. It is running firmware 8.4. The client needed ports forwarded for their FTP server. The port range in this config is tcp 43333-43339. The FTP server ip is 192.168.1.2. [Code] ......

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Cisco Firewall :: ASA5505 - How To Configure Port Forwarding For All Devices

Apr 18, 2012

How to configure this setup.I have an ASA5505 with dual wan failover, FiOS (eth0) & Cable (eth1). how to configure the port forwarding for all my devices so it doesn't matter what external interface the traffic is coming from. For example, I need web traffic on port 80 forwarded to 192.168.1.150 regardless of whether it is coming through eth0 or eth1.

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Cisco Firewall :: ASA5505 Port Forwarding For Inside Server

Dec 20, 2011

I have installed ASA5505 in the network. Port forwarding has been done for one of the server in our LAN. Public users are able to access the server successfully. I am trying to access from inside using the same Public server IP, but unable to access it. Can I have this feature in ASA5505(I think it is loopback configuration). If so, may I know the configuration detail?

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Cisco Firewall :: Basic Port Forwarding ASA5505 Version 8.4 ASDM 6.4?

Nov 24, 2012

configuring the ASA particulary after the change to how NAT is implemented.  What I am trying to accomplish logically seems fairly simple, yet I cannot get it to work.  I have a Synology NAS at home that I am trying to reach via the internet.  Prior to using my ASA, I had Verizon's FIOS router as my gateway and everything forwarded with no issues.  The ports I need forwarded or reachable via the internet are TCP port 80 and 5000.I can also configure it via command line if that's the easier/preferred method.

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Cisco Firewall :: ASA5505 Configure Port Forwarding To Multiple Internal IP Addresses

Jun 21, 2012

ASA 5505 Firmware 8.3(4), ADSM 6.4(2).I have a public IP address of 168.87.3.4.I need to forward ports (5060, 5080, etc.) to one internal address. (192168.1.1).I need to foward different ports (10020-10080) to a different internal address (192.168.1.2) Everything I read tells me how to do this in a 1 to 1 static NAT.

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Cisco Firewall :: Vnc 5950 - Port Forwarding Not Working

May 4, 2011

All I want to do is  have VNC connect on port 5950. So I want to forward traffic coming in  on the external ip address on port 5950 an internal ip address on port  5950. Here is my config:Building configuration...Current configuration.

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Cisco Routers :: RV042 Port Forwarding Stops Working When Firewall Is Enabled

Jun 4, 2013

I have a RV042 router on a single WAN and an internal LAN. I have configured port forwarding as follows: HTTP[TCP/80~80]->10.0.0.6HTTPS[TCP/443~443]->10.0.0.6IMAP[TCP/143~143]->10.0.0.5IMAP SSL[TCP/993~993]->10.0.0.5SMTP SSL[TCP/587~587]->10.0.0.5
 
Everything works just fine when I have the firewall DISABLED. However, when I enable it the behaviour is erratic. 1 out of 10 attempts to connect to ANY port forwarded works. Almost all attempts time out. Notice that this happens even if using only the default firewall rules (which should be bypassed by the port forwarding as I read in other posts).
 
My second try was to create firewall rules manually, overriding the default ones. I tried adding rules from source WAN1 (where my connection is) to ANY and to SINGLE IP's on every port. Nothing seems to work.
 
I don't know what I'm doing wrong, this is really bugging me. I had to turn the firewall off so we can access our servers from outside the office. This shouldn't have to be done.
 
Just found out that my firewall is getting LOTS and LOTS of Blocked - SYN Flood entries. I think this is why we are having trouble with the firewall. Could this be the problem? I have no idea where all these SYN packets are coming from since they appear with spoofed IPs or come from different bots all over.

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Cisco VPN :: Exclude IPs To Port Forwarding On 877 To ASA5505

Feb 13, 2012

I have the following setup:
 
ADSL ---> Cisco 877 with connected site-to-site VPN's ---> Cisco ASA 5505 with Remote VPN enabled
 
I want to connect my Android phone to the Cisco ASA 5505 with Remote VPN. When I forward port 500 and 4500 on the Cisco 877 to the Cisco ASA5505 I can connect with the phone.
 
But as expected, the site to site connections are lost because now they try to reach the ASA 5505 also.
 
I want to exclude the site to site external IP addresses from doing static NAT to the ASA 5505...how can I accomplish this ?

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Port Forwarding Not Working

Jul 7, 2012

I am trying to make a server in the game Halo combat evolved for the PC, but i need to forward 3 ports, ports: 80, 2302, and 2303, i did them all, but it still says they are all still closed, when I scan them or they say, its times out.I have a D-Link router.

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D-Link DIR-655 :: Could Not Get Port Forwarding Working

Feb 11, 2011

I setup port forwarding for many router before, but I couldn't get this one to work.I triple check all of my configuration, they all setup correctly. But the port/ports on the router is not open.

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Asus RT-N16 - Port Forwarding Not Working

Oct 27, 2011

I had an old linksys router running DDWRT. I bought a new Asus RT-N16 and finally set it up. I had to just duplicate the settings by hand as you cannot back them up across different hardware models even though both are running DDWRT.

I hooked up the new router and everything was working great, until I decided to check one of my port forwards. Turns out its not working, I can't connect through my DynDNS assigned dns name. Assuming I configured something wrong, I compared the settings of the two routers. Nothing interesting, it is set up right.

From there I decided to just hook the old router up, assuming I overlooked something. So I mess around with all the cables, and then, to my surprise, IT STILL DIDN'T WORK.

A few points of interest:My Static IPS are set up right. My server has the proper IP My home IP did not change. DynDns has the right IP. I rebooted all the network equipment and server... just for the hell of it. I tried changing a port forward to point to my main PC and that failed too.

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Cisco WAN :: 1941W / Port Forwarding Not Working?

Sep 7, 2012

I'm having a problem with port forwarding on my 1941W router.I would like to forward ports 8001 and 2001 TCP from Internet to a local host on the internal network.I am able to connect to the local host from the internal network, but it does not work from the Internet.
 
Here is my config:

version 15.0
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router1

[code].....

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Cisco Firewall :: Change Default SSH Port On ASA 5505 (port Forwarding)

Dec 2, 2011

So here is my network.
 
ASA5505--->Cisco1841--->Cat2960
Code
ASA asa831-k8.bin
Cisco 1841 c1841-adventerprisek9-mz.151-4.M2.bin
Cat 2960 c2960-lanbasek9-mz.122-55.SE1.bin
 
and here is my dilemma.
 
I can SSH from the internet to my ASA on default port 22, directly to my public IP.  I can SSH from the internet to my Cisco 1841 on port 2001. I can not however, SSH to my Cat 2960.  From what i can tell, on the Cat2960 i can't change the default port 22 for SSH to different port, just like i did on the Cisco 1841.  I looked to see if I can change the default port for SSH on he ASA, it does not look like this is an option.
 
The bottom line is that i want to be able to SSH to all three devices from the internet.  I only have one public IP.  As of now, what i can do is only SSH to the ASA on default port 22 directly to the public IP and Cisco 1841 on port 2001.  It appears that changing the default SSH port on Cat 2960 is not an option.  It also appears that I can't change the default SSH port on the ASA, if i could, i would and then i should be able to SSH to the Cat 2960 on port 22. No matter what i did on the ASA, it always listens on port 22 for SSH connections.
 
show asp table socket
TCP       001f549f  <<pub IP>>:22              0.0.0.0:*               LISTEN
 
how do i make it listen on different port?
 
Here is relevent config for SSH for cisco 1841 (port forwarding)
 
ON ASA
object network ROUTER
host 10.10.1.1

[Code].....

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Home Network :: Port Forwarding Not Working?

Feb 20, 2013

I want to setup port forwarding in my office router so that i can access my lan computer (192.168.0.122) from any where in the world through (remote desktop connection)I have (D-Link (DIR-615)) router. I went to virtual server option. then i select application name as Remote desktop then public port as (3389), protocol (both), Schedule (Always).My lan computer ip address (192.168.0.122), private port (same 3389), inbound filter (allow all). then i clicked save settings. Then the router took 20 seconds to save. then i close the browser.Then i asked my brother to connect through remote desktop connection who is on the skype and he is in different country and that time he is in office. So he put my router public ip address (xxx.xxx.xxx.xxx:3389) in this format but unable to connect.

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Web Interfaces Not Opening Even After Port Forwarding Is Said To Be Working?

Jun 23, 2011

I have a DSL modem (custom made and branded by my ISP) which is receiving a DSL stream... it has an external IP which is visible to the world, say, 11.22.33.44 ... This modem has DHCP enabled, has an internal IP for itself, which is 192.168.1.1 .. it is connected to 2 laptops via and ethernet cable .. Laptop 1 has IP 192.168.1.2, and Laptop 2 has IP 192.168.1.3 ...On Laptop 1, two applications are running, jDownloader and Media Player Classic, which have their web interfaces on ports 8765 and 13579,respectively.. I can access both of these web interfaces from Laptop 2 by opening these addresses: 192.1681.2:8765 and 192.168.1.2:13579 ... both of their web interfaces open up, meaning the web interfaces are working fine ..Moving on, I now want to access these web interfaces from outside my network as well, and so I've configured port forwarding in my DSL modem to forward all traffic on ports between 8000 and 14000 (both TCP and UDP) to IP 192.168.1.2 ... I have verified that port forwarding is working by testing it using PortForward.com's port checker tool, and this website too: Open Port Check Tool - Test Port Forwarding on Your Router When I use the website, if I'm running the applications on Laptop 2, the website reports that the port is open .. if I then close the application, the website reports the port is closed ... This makes sense as nothing is listening on my machine in the latter case .. Also, if I disable port forwarding in my modem, again, the website reports the port is closed ... so, the website's results seem to be okay ...

Despite the above tools reporting that port forwarding is working, I am unable to open the web interfaces from outside my network ... So for example, if I tried to browse 11.22.33.44:8765 or 11.22.33.44:13579, nothing opens in my browser ... But if I accessed these web server's locally from Laptop 3, by typing in 192.168.1.2:8765 or 192.168.1.2:13579, they opened ... The tools report unanimously that port forwarding is working, and yet I am unable to open the web interfaces from outside the network ..Also note that I have disabled the firewall from my computer, and have also made sure that any option in the above programs (whose web interfaces I am trying to open) that says only local connections are to be accepted, is disabled ...

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Port Forwarding Not Working (Netgear DGND3700v2)

Oct 10, 2012

I'm trying to set up a Minecraft server so I can appear to be a hero to my 8 year old son. I have to forward a port to 25565 adn I've followed all the instructions on how to do this on my netgear DGND3700v2. I've also turned off my Windows 7 firewall, but when I go to a test website, I still get a message saying the port is closed. I don't have a static IP address, is this absolutely critical or does it just mean that the boys will have to log on to a new IP address each time they want to play?

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DB108-WL / Port Forwarding For IP Camera Not Working?

Jan 9, 2013

My modem/router is Riger and model is DB108-WL. I had set Port Forwarding in my modem/router configuration page using web [URL] had disable the uPNP setting in both the modem/router and camera setting page. Besides, also disable the firewall on the modem/router and on my laptop (Windows firewall and McAfee antivirus)My camera static IP address details are listed as below:

IPv4 Address: 192.168.1.8
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.1.1
Primary DNS: 192.168.1.1
Port number: 8080

I am able to access my IP Camera using local LAN network by using web [URL] but unable to access from external network WAN using internet by using web http://*External IP Address*:8080 My ISP provide a dynamic external IP address so my external IP Address will change each time I connect to internet network. To trace this, I used IPchicken website IP Chicken - Whats my IP address? ip address lookup to identify my modem/router Public IP address. I used my smartphone to access this external IP Address in order to prevent NAT Loopback issue but still can not access.

1) Do I need to have my host computer turn on at home in order for me to access the IP Camera from external WAN network which is internet from anywhere outside? Or just turn on my modem/router and IP Camera will do?

2) I had read a lot of blogs and forums from the past 2 weeks about Port Forwarding. From one of the forum, it mentioned need to setup 2 ports for Port Forwarding in order to get IP Camera access from external network. One for web interface which use port 80 and another one for video streaming which is port 1024. So, is it true for every IP Camera to configure 2 ports forwarding in order to get access from external network?

3) If I can access the IP Camera from local LAN network, does it mean my laptop Windows firewall and McAfee antivirus setting is ok for access from external network?

4)Is it a reliable method to use smartphone as a test to try out whether my setting is ok to access the IP Camera from external network? My smartphone is Android 2.3 OS and able to access the IP Camera when connected to my modem/router using WIFI (local LAN access). When key in external IP address using 3G network, it can not access.

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Oct 17, 2012

I have issues with port forwarding. I did, but it didn't work. Then I tried different ip addresses. Now I don't know how to delete those configurations, because when I try to overwrite it says already exist. And still port forwarding is not working. I did: ip nat inside source static tcp (ip and port numbers)Our device is 1841, also we have firewall within this router. DHCP is in our 3750.

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Dec 18, 2012

I just installed an RV180 at home. I can not get port forwarding to work - after reading in several forums I realize that I need a firmware 1.0.2.2 that currently is in a beta stage.

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Mine-Craft Port Forwarding No Longer Working

Feb 21, 2012

Port Forwarding Bug - Working but not working? I'm so pissed as I've been working on it for hours and it still doesn't work. The only additional information apart from the ones located in the link is that in the security log something about the NTP.

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Netgear Wnr2000v3 - Port Forwarding Not Working / Still Closed

Dec 4, 2012

I have a Netgear wnr2000v3 Router connected to my Motorola Surfboard Gateway.I have a freePBX Server (virtual running off of VMware Workstation 8) that needs ports 10001-20000 and 5060 forwarded to the server at 192.168.1.110

I added the portforwarding as in this photo:

When I use a port tester it still says "Port 5060 is closed"I have also turned off Windows Firewall. What else could be blocking these ports?

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Port Forwarding Working For Incoming Traffic But Not Outgoing?

Feb 6, 2012

I have a licensing server. Other computers need to turn on a program, they send a message to the licensing server, and it responds that they have permission to run.Until today the licensing server was plugged into its own ethernet wall socket and configured with a static IP address. Today I put a router into that wall socket and now the server's plugged into the router.The router (WRT-54G) was set to the static IP - and now the internet on its network works. I set all ports to be forwarded to the server's internal IP address - and now my programs can detect and ping it. But now the server won't send back permissions to use licensed software, or even reply with a list of the software which it can license.

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Linksys WRT54GS Router - Port Forwarding Not Working?

Jul 18, 2012

I am trying to run a server for minecraft, which some of you may know primarily uses Port 25565. I have tried everything that I've seen suggested. I have a Linksys WRT54GS router that I have my 2 xboxes, playstation 3, pc, and wii connected to. Now, I don't use any of these components at the same time. I had an issue with my xbox and the game "Black Ops", where my NAT type was strict, but a microsoft support technician walked me through port forwarding for the xbox, and it worked. My NAT type was displayed as "open" now. This is not the case with Port 25565 however, as even though I've port forwarded 25565 to my static IP i set up for my PC (which is my server PC), Port checking sites such as "Yougetsignal" and a couple of others are still showing no connection for the current external IP and Port 25565.

I went through ipconfig in windows "cmd" and made sure I had all the ip's and subnets and dns' and whatnot correctly entered in my routers configuration page. I went into Windows firewall and put new rules for port 25565 into incoming rules. None of this seems to work. I even shut off the firewall completely (temporarily, mind you), just to eliminate that possibility, to no avail. Still getting negative responses from these sites. I am able to log into my server myself, using "localhost" as the address, but none of my minecraft buddies can get on my server. I've also tried to use Hamachi to set up a server, which doesn't need ports to be forwarded, but although they can join my hamachi network, they can't join the server. Obviously there is more of a problem than just not being able to open ports, and I am at a loss.

Also, I am aware that my external IP, given by my ISP, will change with every disconnect and reconnect of my signal. I got my current IP address during this time and gave that to my buddies so they could join the non-hamachi network. For the Hamachi server I edited my Hamachi network IP into my server software's properties file, where as it would be left blank for my non-hamachi server.

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Nov 30, 2012

None of the port forwarding settings are working at all on my router. I have just a couple very simple settings. One of them is just an IP camera. I input the name, the TCP port, the computer (IP address) and that's it. This works just fine with my other Netgear router, but with this router, NADA. The router has the latest version of the firmware applied. Just applied it. Hardware version B. Firmware version: 2.10NA. If so, then I really need my money back since it is a main function of a router and it should work. Can't return it now, since I bought it several months ago. Never knew port forwarding didn't work because I never needed it until now.

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Dec 5, 2011

I have some hardware on my internal network which I want to send udp packets. I can connect using telnet to it prooving that TCP and port forward works but when I try to send a UDP packet externally it fails.I can however send the same packet internally and port forwarding works fine.My router is Linksys by Cisco WAG320n.

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Mar 3, 2011

I was changing the port forwarding configuration when suddenly the router stopped working, and now the "D-Link" light is constantly on, and the power light and the 4 LAN lights are flashing. Nothing worked, resetting, or unplug and plug again in a short time.

I disconnected it for 12 hours, and when I plugged in again, it kinda worked, and the settings where factory defaults, so when I tried to connect it to DSL via PPoE, when ( I believe ) it reboots to accept the changes, it starting flashing again and completely stopped working.

So I waited 12 hours more unplugged, plugged it and it worked, and the setting from 12 hours earlier were still there. But when trying to connect to the DSL it stopped working AGAIN.

Now I don't know what to do. I guess I am going to keep trying connecting with little differences, until something.

I believe it still has warranty but since the is no official service in Uruguay, it isn't economically viable to send it overseas.

I am currently connected directly to the DSL, sharing connection to other computers through a switch and hosting an ad-hoc wireless network, but the performance is terrible and the wireless range is minimal.

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Mar 4, 2011

I'm trying to open some ports for my webserver, I've configured the static IP and forwarded port 80 to my server's IP and I checked the port on canyouseeme.org and it says it's closed. I've tried multiple ports (21, 22, 7878 whatever) and all do the same thing.
 
So my next step was to try DMZ on the server's IP .. still no happiness .. ports stay closed. I checked this on multiple computers and it still won't open any ports for any machines on my network.
 
Updated to the latest firmware .. didn't make a difference. My ISP doesn't block any ports (didn't have any issues on my old router.

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May 11, 2013

RV215W router port forwarding not working.Port forwarding works for a short period of time, then stops working.  Reboot router, works again for short period of time, then stops again.
 
I have updated firmware to latest.  I had seen other similar bugs posted for 220 and I think 180, not sure if this router has similar bugs and waiting for fix release to firmware.I had recently purchased two, one deployed, will hold off on other now because of issues, and may have to move to different unit if a resolution not found this week.

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Oct 25, 2011

I am using a RV110W with the latest firmware 1.0.1.6 I have some port forwarding configured, which normally work. But sometimes, all port forwarding stop working. Everything else continues working normally, just all port forwarding don't work any more. I tried disabling the port forwarding and enabling them again, this doesn't work. Also disabling the firewall completely does not work. You have to reboot the router, then everything works fine again. When I make a portscan from outside with a "fresh" started router, the forwarded ports are open. When the error occurs and I make a portscan from outside, all ports that should be open (and have been open before) are closed.

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Jul 20, 2011

I have got a Linksys @ Home HG200 V2 G Gateway. I am trying to setup port fowarding but its not working. I have gone onto the routers port forwarding setup page filled it out but the port is still closed.

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Nov 30, 2012

I upgraded to a 6500 from a e4200. I use ports 81-84 on test web servers set to static Ip,s when I open the ports  nothing can get through from the outside. I can hit the pages internally on those ports and IP's but not from my external ip to those ports. When I set my old router everything is fine. 

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