Port Forwarding for Two Macs, one Airport Extreme and one Dynalink RTA1320

I had previously set up PortForwarding for some of my Applications on my iMac with an Ethernet connected Dynalink RTA1320 Modem by assigning myself a Static IP in the iMac`s Network Preferences.
All had been good, green smilies on Azureus when D/Ling bitorrents, Skype, WoW and Limewire all running fine.
I`ve now just recently purchased the latest Airport Extreme and 17" MacBook Pro.
Setting up a Wireless Network for the two Macs to access the internet was a breeze and both computers run fine online simultaneously.
I manually set the Ports on the MBP Applications: Skype, Azureus and Limewire to match the Ports I`d previously PortForwarded the RTA1320 to.
However, on the new MBP, Skype, Azureus and Limewire don`t seem to run too well.
I get yellow smilies on Azureus and a "Port Appears Closed" message on the NAT Test and my Skype Contacts are leaving me messages saying I always appear "off-line".
The iMac Apps still work flawlessly.
I`m guessing the problem is something to do with two Macs on a Wireless Network with one Static IP Address or what am I doing wrong?

...Wow, 36 views and no replies with helpful advice!
Just like my other question about a month`s data disappearing in iCal, nobody has offered any helpful advice!
Come on Apple Community......!!!!!!!!

Similar Messages

Port Forwarding for Filemaker Pro on Airport Extreme

I really don't know what I'm doing - I'm trying to get my Instant Web for Filemaker to work - It was set up on my MacBook Pro and then I moved everything to this iMac and now it's not working. I do know that the port for FM Pro is 591. I have it set up in FM Pro sharing and it gives me an IP address that should work. Which, by the way, it does inside my network, but not from outside. So, I need to know how to set up the Port Forwarding on my Apple Extreme to make this work.

I don't use FM, but do port forwards on AE for my private website using DynDNS
Go to Applications >> Utilities >> AirPort Utility >> pick your AE and click Manual Setup button
Go to Advanced >> Port Mapping >> click the PLUS to add a new port fwd
Leave the Service drop down as is
Set public TCP and private TCP fields to 591
Set the private IP to the IP address of your iMac as your AE assigned it - I assume that your AE will have 10.0.1.1 and your iMac will be 10.0.1.X - not sure whether you use DHCP and let AE do the work or manually assign private IPs yourself
Give it a description in the next window. Not sure about advertising via Bonjour - I'd try both.
If you don't know what private IP your iMac has, go to applications >> utilities >> Terminal app and type this command: ifconfig
You'll see something like this. In my case, since I use Ethernet to connect my mac to AE router, the en0 is my active connection and my private IP is 10.0.1.12 as shown below. If you use WiFi, you'r main connection will be en1
Last login: Sun Mar 13 20:52:12 on console
Mac-mini:~ jiri$ ifconfig
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
inet 127.0.0.1 netmask 0xff000000
inet6 fd75:7419:92a9:cab8:226:4aff:fe15:f970 prefixlen 128
gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
stf0: flags=0 mtu 1280
en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 00:26:4a:15:f9:70
inet6 fe80::226:4aff:fe15:f970%en0 prefixlen 64 scopeid 0x4
*inet 10.0.1.12* netmask 0xffffff00 broadcast 10.0.1.255
media: autoselect (1000baseT <full-duplex,flow-control>)
status: active
en1: flags=8823<UP,BROADCAST,SMART,SIMPLEX,MULTICAST> mtu 1500
ether 00:26:08:ec:4f:fa
media: autoselect (<unknown type>)
status: inactive
fw0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 4078
lladdr 00:26:4a:ff:fe:15:f9:70
media: autoselect <full-duplex>
status: inactive
utun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500
inet6 fe80::226:4aff:fe15:f970%utun0 prefixlen 64 scopeid 0x7
inet6 fd00:6587:52d7:85:226:4aff:fe15:f970 prefixlen 64
Mac-mini:~ jiri$
Let me know, if it works...

Port Forwarding To Two Macs with Port 22 limitations

This is another port forwarding/port 22 issue and I've look around and not seen an answer to my specific problem. I work for a business that has an in-house ad system that runs on a Mac Mini. I have been accessing that Mac Mini remotely because we set up port forwarding through the Linksys rounter that is at the business using port 22. This is the only port that works for this connection to the mini and the software.
We are now adding a second Mac Mini to send the ads to a different set of monitors. I can't set up port forward to the new mini on the same port so I don't know how to connect to this mini remotely. Is there a way to get into the first mini through port 22 and then somehow communite to the second one through the first? Is there another way to do port forwarding...or have the linksys router switch from one mini to the other when a request comes in? There will only be one remote computer trying to reach either Mac Mini so there will never be simultaneous traffic coming in. Any help would be appreciated!
The linksys router is critical to the business becasue a host of other devices are forwarded though it as well.
Thank you.

klara wrote:
Having set up my IP camera with HH4 successfully, I've now got another one and would like to set it up as well. I gave it a unique, static IP address which my router can see fine. When I try to set up port forwarding, I get a message saying:
"The game or application you’ve selected conflicts with an application (IP Cam 1) you’ve already assigned to another device. Please remove the other application or select the same device."
I am not being given the option to select the same device.
I'm now wondering if port forwarding to two identical devices actually works in principle with HH4? Has anyone else done this?
If in the Home Hub 4 A you go to
Advanced Settings
Firewall
Port Fowarding
Manage Games and Applications
You get the following statement:
"Each game or application can be assigned to only one device on your home network"
I would think that the only way round your problem is to have each Camera running a different application or the same application with a different name.
Does the remote browser app need to know the application name or just the device name ?
If you think about how Port Forwarding needs to function you need a way whereby the remote user needs to be able to tell the Hub what Camera to talk to.

Port forwarding for LaCie NAS on AirPort Express

Hello,
I have just purchased both an AirPort Express and Airport Extreme to which I would like to connect a LaCie 5big NAS Pro. The NAS is physically connected to the AirPort Express, which is acting as a bridge to the AirPort Extreme. The issue is that all the ports which the NAS uses for various sharing services (SFTP, HTTPS, MyNAS, etc) are unavailable. How would I go upon opening these ports on the AirPort network, or go upon forwarding new ports to the local ones?
Thank you in advance!

Just to make sure I understand the situation..
You have a new AC model extreme?? Running 7.7.1?
Are these the correct things to be doing? I've included screenshots of both the NAS port errors as well as an example of a port entry in the AirPort utility.
Your port forwarding looks fine..
This is pedantic but can you change the variable name.. eg.
Harrison HTTPS
I know will fail in most routers.. the space being illegal.. I know apple have this strange naming convention.. but it just gives me the heabie jeabies when I see it. You can call it HHTTPS for example .. anything but no spaces and pure alphanumeric.
BTW you never need block out a private IP address.. it is not routable.. I can tell you my computer is here.
MacProie-5
Information
Status:
Active
Type:
Generic Device
Connected To:
ethport1 (Ethernet)
Addressing
Physical Address:
00:1f:f3:bd:58:52
IP Address Assignment:
DHCP
IP Address:
192.168.2.103
Always use the same IP address:
Yes
DHCP Lease Time:
Infinite
Connection Sharing
There is no game or service assigned to this device.
There is absolutely no way you can connect to 192.168.2.103 or 10.0.1.101 or whatever private IP is.
When hovering over the red buttons, it reads "Port # is already in use on your router, or your router is not compatible with the UPnP-IGD/NAT-PMP protocol"
Your last few lines are the most distressing..
Lacie being a more Mac orientated product has included NAT-PMP protocol in the NAS to open the required ports.. automatically in an apple router.. that means it should be able to work without intervention.
Ports cannot be opened if they are already allocated. which is what the error message means.. already in use.. they are in use because you allocated them..
I suggest you reset to factory the AE.. start up a single computer.. leave everything else off.. Do a basic setup of the AE just to get you network and internet access.. Then power up the NAS .. and see if it can open those ports automagically.. If not then the AE is simply not going to work at this firmware level.
BTW.. there is no doubt the 6.3.1 utility on Mac is problematic.. Apparently the iOS one is much better.. or even 5.6.1 utility on a windows PC. If you have an iphone/ipad use the airport utility app and do the setup from there.. rather than a mac.. it has more chances of working.. maybe.
You have an express.. this sounds odd but please change the firmware in the express back to 7.6.1 (I don't use express so I know less about them). Set it up as router in place of the extreme.. and try the NAS again.. you might need to buy a switch to do all this. But it should work if you do it via the iOS device.. well worth a try too and see if the earlier firmware can auto allocate ports via the NAT-PMP or even if that fails by manually allocating them.
Or the other choice is a non apple router for now.. and put the Extreme in bridge .. ie take away all NAT responsibility from it .. use your non-apple router firstly try by upnp and then manually forward the ports if you have to..
Hope something in there helps.

How to make single port fowarding for camera by using airport extreme ???

hi
I have airport extreme model no A1143 (apple)
when I was using linksys ,I have camera
I reserve IP local for camera and then by aplication single port foward I put IP local for camera so I would get for the picture or video
Is any body can help by using apple airport extreme model no A1143
where should I put the IP local for the camera ?which application
thanks
Message was edited by: charlie368

charlie368, Welcome to the discussion area!
Using AirPort Utility you can configure the AirPort Extreme base station (AEBS) to forward the port(s) to the camera. However the camera will need to be assigned a local IP address. The default local IP addresses are in the 10.0.1.x range.
To get to the camera from the internet, you would use the IP address provided by your ISP. This is the one used by the WAN side of the AEBS.

IPhoto 6 with 2 macs, an airport extreme and a extenal harddrive

Hi
Can you help a new mac user?
I recently converted from PC because I heard so many great things about the mac but have struggled with a few things.
I have two macs - a mac book and a mini - and an airport extreme with a harddrive attached. I have IPhoto 6 and a shedload of photos. What I want to do is the following:
1. Back up my photo collection on the external harddrive. I presume the easiest way to do this is just to export from IPhoto. Is this the best way?
2. Modify the pictures on one or other of the macs and then update the other one with the changes. Not sure how to do this.
Also, I have been playing around with these things for the last couple of weeks and noticed if I import photos from the external drive they lose their original date settings and get the date settings from the date I put them on the external drive. This has driven me mad and if I ever had to import my backed up library from my harddrive would send me completely crazy. Any suggestions.
Thanks in advance...

Art H:
Welcome to the Apple Discussions and in from the darkside.
Are you wanting to share a library between the two Macs or have each Mac have it's own library and then keep them the same as time goes on.
If it's the first option, you're best bet would be to put your iPhoto Library folder on the external HD (with ownership turned off as shown here) and then have each Mac access the library on the external HD.
Then you can periodically copy the iPhoto library folder to one of the Macs as a backup, the one with the most free HD space. To do it frequently you can use a backup application what will only copy those new or changed files from the library folder on the external to the backup copy on the designated Mac. Much faster that way.
If it's the later, then it's going to be a little more difficult, at least the updating the second Mac. If both Macs will be adding new photos to the library it will take using iPhoto Library Manager to move the new photos (in rolls or albums) from one library to the other like this while keeping the keywords intact.
If you're only adding new photos to one library and you want to update the library on the second mac occasionally you can use the backup application to backup from Library A to Library B. Then keep a backup of the primary library (A) on the external HD and back it up with the backup application frequently also. I use Synk for that.
I think the first option would be the best as each Mac can add to the same library. One restriction to that would be that only one Mac can access the library at a time.
Do you Twango?
TIP: For insurance against the iPhoto database corruption that many users have experienced I recommend making a backup copy of the Library6.iPhoto database file and keep it current. If problems crop up where iPhoto suddenly can't see any photos or thinks there are no photos in the library, replacing the working Library6.iPhoto file with the backup will often get the library back. By keeping it current I mean backup after each import and/or any serious editing or work on books, slideshows, calendars, cards, etc. That insures that if a problem pops up and you do need to replace the database file, you'll retain all those efforts. It doesn't take long to make the backup and it's good insurance.
I've written an Automator workflow application (requires Tiger), iPhoto dB File Backup, that will copy the selected Library6.iPhoto file from your iPhoto Library folder to the Pictures folder, replacing any previous version of it. You can download it at Toad's Cellar. Be sure to read the Read Me pdf file.
MBP 2.16Ghz; G5 Dual Core 2GHz, 2G RAM ea, 250G HD; G4 Dual 1Ghz, 1.5G RAM; Mac OS X (10.4.10) 22" LCD, 710G FW HDs, Canon: SD700IS/i850/LIDE 50, Epson R200, 30G iPod, 2G Nano

Help two macs with identical setup and one does not receive phone calls using Yosemite and iOS 8.1 on iPhone 6. What is going on Apple?

Ive got an imac from 2008 and MBPr from 2013. the imac does indeed receive regular calls but the newer mac, the MBPr from 2013 does not.
what is going on apple?
MacBook Pro (Retina, 15-inch, Late 2013), iOS 8.1

i got it. I fixed it by setting Time Zone in automatically in both iphone and MBC
From the Apple () menu, choose System Preferences > Date & Time > Date & Time.
Enable "Set Automatically".
Click the Time Zone tab and confirm the closest city is correct.
do the same in the iphone and it will work

I have the new Air Port Extreeme model A1521 and I need to set up port forwarding for HTTP. HTTP is not on the list in the set up. Does anyone know if any of those choices work for HTTP?

I am on a Windows 7 Ultimate PC and right now there is no Airport utility for setting up the new Apple Extreme so you have to do it on your iPad or iPhone. Does anyone know how to set up port forwarding for HTTP to get to DVR security cameras? There is nothing in the list that indicates HTTP port forwarding.

Thanks for your reply Tesserax as I did figure this out on my own. It took a bit because all of the options are not clear what they are for like the previous Airport Extreme and Apple does not support or guarantee that port forwarding will work for you application nor did any of the Apple support persons I spoke too have any knowledge for this feature. You also have to fill in the public if you are viewing through someone else's Wi-Fi or on your cell phone carrier network. This new Airport Extreme is a bit different since you cannot use the Airport utility on a PC like the older model and if anyone else is reading this they should be aware that if you do not have an Apple computer, iPhone or iPad and I'm not sure if some of the other network enabled devices like iPod Touch that you must use that can do it, there is no Airport utility for the PC and you would be wasting your money or have to take it back and get another brand wireless router to use if you do not own any of the above mentioned Apple products.

Can I connect an external hard drive to one of the ethernet port of the airport extreme and access it from my Mac or PC?

Can I connect an external hard drive to one of the ethernet port of the airport extreme and access it from my Mac or PC?

If this hard drive is part of a NAS device, then yes it should be accessable from either a Mac or PC while connected to the AirPort Extreme Base Station (AEBS) by Ethernet.

How do I change one airport extreme device for a new one?

I have an old Airport Extreme (looks like a flying saucer) that my cable modem is connected to. Other Airport Express devices expand the wireless network around my house and Time Capsule is connected to the wireless network.
I want to take advantage of 802.11n so I'm looking to buy the latest model of Extreme to replace the old one. I still want to connect the cable modem to the WAN port of the new Extreme but just wanted to be sure how I can "swap" the two devices and minimise the disruption to my wireless LAN and the devices that connect to it.
I'd be grateful for any help or guidance.
Kind regards,
Cliff
Brighton, UK

Welcome to the discussions, Cliff!
There is an old saying that goes something like "change one thing on the network and everything else on the network changes".
While it should be relatively straightforward to connect your new AirPort Extreme to the cable modem, you will also be creating a new "main" network and a new "guest" wireless network...assuming you will use the dual-band version of this product.
That means that any current devices that you have now that have been connecting to your old wireless network will all need to be reconfigured again to join the new network, so you are basically starting all over again from scratch with each device.
Since you have configured your old system, you already know that it is not that difficult providing that you follow the configuration instructions carefully. I'm guessing that you have the older b/g versions of the AirPort Express, so perhaps the most tedious process will be to setup the AirPort Extreme and Express devices to participate in a WDS (Wireless Distribution System).
You may need to refer to both the older and newer AirPort Networks guides as the older one includes step by step instructions for configuring the WDS while the newer guide covers the advanced features of the dual band Extreme. Please post back on your progress.
http://manuals.info.apple.com/enUS/Designing_AirPort_Networks10.5-Windows.pdf
http://manuals.info.apple.com/enUS/Apple_AirPort_NetworksEarly2009.pdf

I have a airport time capsule, an older airport extreme, and an airport express. I want to hard wire my Mac Mini to the network. What is the best arrangement of the devices? which ones should be hard wired to optimize extending the network?

I have a airport time capsule, an older airport extreme, and an older airport express. I want to hard wire my Mac Mini to the network. What is the best arrangement of the devices? which ones should be hard wired to optimize extending the network?

I am using TM Unifi with an ASUS RT-N18U Wi-Fi router. I would like to know could I use Apple AirPort Time Capsule to extend (repeater, booster) my Wi-Fi to a part of the house where the Wi-Fi signal is poor
Yes,, if you plan to connect the AirPort Time Capsule to the ASUS router using an Ethernet cable connection that will remain fixed and permanently installed at all times.
No, if you were planning to have the AirPort Time Capsule connect wirelessly and extend the Asus WiFi signal, since it would not be compatible with another manufacturer's router for that purpose.
Another way of saying the same thing here would be that if you want to extend the network wirelessly, it will take two Apple routers to do so

If I have an airport extreme and a time capsule is it possible for seamless switching between the 2 when a signal is weak or drops Main reason is as I move from my first floor to my attic office and would like to place one (airport extreme)downstairs and

If I have an airport extreme and a time capsule is it possible for seamless switching between the 2 when a signal is weak or drops
Main reason is as I move from my first floor to my attic office and would like to place one (airport extreme)downstairs and time capsule upstairs to get complete coverage

In theory, yes. If you configure the two base station into either an extended or roaming network configuration, you should be able to walk a laptop between routers and the laptop should attempt to connect/reconnect to the base station providing the stronger signal ... but, in reality, this is not always 100% true.

How do you set up Port Forwarding for ARD 2.2 in AEB N?

Help,
I'm a novice at Apple Remote Desktop (ARD) - not an IT guy, so it has to be pretty basic and detailed.
How do you set up Port Forwarding for ARD 2.2 on the Apple Airport Extreme BS router, 802.11 N. I have one at each end of the internet connection. At one end I have an Airport Extreme N router with 2 macs and eventually 1 windows XP machine (if I can) that I would like to be able to connect to over the interenet (the clients) and at the other end, I have a Mac with ARD 2.2 installed also with an Airport Extreme N router. Note: Both routers use Static IP addresses and all computers use static IP's internally not through DHCP. What are the settings or directions to do this.
I have read and printed out the directions for Configuration of ARD 3.0 that are posted many times in the ARD discusion group, but it uses a Linksys router ( http://www.starkpr.com/ard.htm posted by Dave Sawyer). The Mac router is different, particularly with the place to set a Private IP address. I'm not sure about alot of things, but especially about the Private IP address, what number do I set it to, the one that is in my Network connections list? It automatically changes to a different number in AE N setup for Port Forwarding (by one) as if it is not suppose to the same?????
Are there any directions available that are as straight forward for the Airport Extreme N router, as the one's that are listed here for the Linksys Router's? ( http://www.starkpr.com/ard.htm )
Any and All help will be greatly appreciated.
P.S. I know I should have 3.0 but bought 2.2 just weeks before 3.0 came out and they would not give me an upgrade price, so I'm waiting for 4.0 to upgrade.
Thanks,
Jim

Try the following for each AirPort Extreme ...
AEBSn - Port Mapping Setup
To setup port mapping on an 802.11n AirPort Extreme Base Station (AEBSn), either connect to the AEBSn's wireless network or temporarily connect directly, using an Ethernet cable, to one of the LAN port of the AEBSn, and then use the AirPort Utility, in Manual Setup, to make these settings:
1. Reserve a DHCP-provided IP address for the host device.
Internet > DHCP tab
o On the DHCP tab, click the "+" (Add) button to enter DHCP Reservations.
o Description: <enter the desired description of the host device>
o Reserve address by: MAC Address
o Click Continue.
o MAC Address: <enter the MAC (what Apple calls Ethernet ID if you are using wired or AirPort ID if wireless) hardware address of the host computer>
o IPv4 Address: <enter the desired IP address>
o Click Done.
2. Setup Port Mapping on the AEBSn.
Advanced > Port Mapping tab
o Click the "+" (Add) button
o Service: <choose the appropriate service from the Service pop-up menu>
o Public UDP Port(s): 3283
o Public TCP Port(s): 3283
o Private IP Address: <enter the IP address of the host server>
o Private UDP Port(s): 3283
o Private TCP Port(s): 3283
o Click "Continue"
o Click the "+" (Add) button
o Service: <choose the appropriate service from the Service pop-up menu>
o Public UDP Port(s):
o Public TCP Port(s): 5900
o Private IP Address: <enter the IP address of the host server>
o Private UDP Port(s):
o Private TCP Port(s): 5900
o Click "Continue"
o Click the "+" (Add) button
o Service: <choose the appropriate service from the Service pop-up menu>
o Public UDP Port(s):
o Public TCP Port(s): 5988
o Private IP Address: <enter the IP address of the host server>
o Private UDP Port(s):
o Private TCP Port(s): 5988
o Click "Continue"
(ref: "Well Known" TCP and UDP ports used by Apple software products)

Port forwarding for WOW

Hello,
Just a TC today and cant find any info on how to port forward for the TC. Anyone have any clues?

Sorry, I don't have a TC, but the port mapping (forwarding) steps should be the same as for the 802.11n AirPort Extreme Base Station (AEBSn).
AEBSn - Port Mapping Setup
To setup port mapping on an 802.11n AirPort Extreme Base Station (AEBSn), either connect to the AEBSn's wireless network or temporarily connect directly, using an Ethernet cable, to one of the LAN port of the AEBSn, and then use the AirPort Utility, in Manual Setup, to make these settings:
1. Reserve a DHCP-provided IP address for the host device.
Internet > DHCP tab
o On the DHCP tab, click the "+" (Add) button to enter DHCP Reservations.
o Description: <enter the desired description of the host device>
o Reserve address by: MAC Address
o Click Continue.
o MAC Address: <enter the MAC (what Apple calls Ethernet ID if you are using wired or AirPort ID if wireless) hardware address of the host computer>
o IPv4 Address: <enter the desired IP address>
o Click Done.
2. Setup Port Mapping on the AEBSn.
Advanced > Port Mapping tab
o Click the "+" (Add) button
o Service: <choose the appropriate service from the Service pop-up menu>
o Public UDP Port(s): <enter the appropriate UDP port values>
o Public TCP Port(s): <enter the appropriate TCP port values>
o Private IP Address: <enter the IP address of the host server>
o Private UDP Port(s): <enter the same as Public UDP Ports or your choice>
o Private TCP Port(s): <enter the same as Public TCP Ports or your choice>
o Click "Continue"
(ref: "Well Known" TCP and UDP ports used by Apple software products)

Port forwarding for Filemaker network

I want to set up my computer as a host for Filemaker Pro networking. I have 2 other remote computer locations I want to share my FM database file. I am about to purchase a new AEBS for my router.
Instructions from FM forum was to forward port 5003 on my router & use no-ip.com (to track my dynamic IP address) to get a specific domain name for the remote computers to find when they select Open Remote.
Reading some of these posts sounds like the AEBS makes this easier. Is the port mapping same as port forwarding? Does the reserve IP address capability negate the need for the no-ip.com service?
Would appreciate the step-by-step process I need to do this.

Is the port mapping same as port forwarding?
Yes, both terms are used interchangeably and mean the same thing.
Does the reserve IP address capability negate the need for the no-ip.com service?
No. Reserving an IP address is a means to instruct the DHCP service on the router to "save" a specific Private IP address for a device on the local network. No-IP.com is a service that basically tracks the dynamic Public IP address of your modem or router and provides you with a "static" URL address to access it from the Internet. A similar service to No-IP.com would be DynDNS.
Accessing a server on the local network from a remote client would require that the client knows the Public IP address and port(s) required to access that server. Servers, like yours that are behind a firewall, must either use port mapping (port forwarding) or be configured to be in a DMZ which would completely expose them to the Internet. Port mapping reduces that risk to only allow predefined ports to be open to the Internet.
Since most consumers have Internet service with comes with a dynamic (changing) Public IP address, just knowing what it is at any given time won't help in the long run. This is where services, like No-IP come in. Typically they will give you a client utility that you would run on your computer. This utility will provide them with an update every time your ISP changes your Public IP address ... or you may be required to do this manually. They will also provide you with a URL to use instead of using the Public IP address.
To setup port mapping on an 802.11n AirPort Extreme Base Station (AEBSn), either connect to the AEBSn's wireless network or temporarily connect directly, using an Ethernet cable, to one of the LAN port of the AEBSn, and then use the AirPort Utility, in Manual Setup, to make these settings:
1. Reserve a DHCP-provided Private IP address for the Filemaker Pro server.
Internet > DHCP tab
o On the DHCP tab, click the "+" (Add) button to enter DHCP Reservations.
o Description: <enter the desired description of the host device>
o Reserve address by: MAC Address
o Click Continue.
o MAC Address: <enter the MAC hardware address of the host computer's Ethernet or wireless depending on how it accesses the network>
o IPv4 Address: <enter the desired Private IP address you want to assign to the host>
o Click Done.
2. Setup Port Mapping on the AEBSn.
Advanced > Port Mapping tab
o Click the "+" (Add) button
o Service: <choose the appropriate service from the Service pop-up menu or leave blank>
o Public UDP Port(s): <enter the appropriate UDP port values>
o Public TCP Port(s): <enter the appropriate TCP port values>
o Private IP Address: <enter the IP address of the host server>
o Private UDP Port(s): <enter the same as Public UDP Ports or your choice>
o Private TCP Port(s): <enter the same as Public TCP Ports or your choice>
o Click "Continue"

Port Forwarding for Two Macs, one Airport Extreme and one Dynalink RTA1320

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