Portforwarding through a shared internet connection.

So, I share internet from my Macbook's wifi to my Windows tower via ethernet. My question is, how do I portforward to my tower from my router. My router only accepts the last digit of the IP while my thrid digit is different in my tower. My router gives out the IP's 192.168.123.XXX (I know, 123 is weird, but it's fine) but my tower has the ip 192.168.2.XXX. As you can see they are different, and as I said before, my router only lets me input the 4th and last digit to directions.
So, back to my question, how do I portforward?

normal traffic uses http on port 80 by default
encrypted traffic using https is on port 443 by default
there are some sites that use different ports, but if you open 443 it should be ok for most
if you enable "personal web sharing" on the firewall tab it'll open those ports
non-default port numbers can be seen in the url, for instance...
http://www.port.com:8080/
...means http for this site is on port 8080 instead of port 80

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Connecting to shared internet connection through Mac osx 10.7 wifi

I can't get my new HP touch pad to connect to my wireless network. I connect my iMac through ethernet but have a wifi network setup from my iMac so my other devices can use my iMacs shared internet connection. The touchpad will not connect, it finds the network, I put in the WEP key and it states "unable to connect, try again". I am at the setup stage on the touch pad and can't get any further!!. I have tried everything I can think of including creating a new wireless network, disabling and changing the sharing password and re-enabling. all my other devices still log on fine and can connect to the internet through the iMacs connection. anyone got any ideas?
Post relates to: HP TouchPad (WiFi)

alopix wrote:
I just remembered why I ignored your first post when reading this topic:
Ad-hoc-sharing can't be the problem, because when I use the exact same method without any WEP encryption, so create an open network, it works perfectly - so it has to be an error in the webOS' handling of WEP or similar...
I'm curious that the Mac offers only ASCII (key length of 5 characters) or 128 bit encryption, but not 64bit (which has a key length of 10 hexadecimal characters and works perfectly with my touchpad). <Wiki definition of WEP.>
This sounds like an old problem we used to have when Palm came out with WiFi-enabled devices. Users would create an ASCII text password in their router, and it would generate a 10 character hexadecimal string that was the true password. Entering the 5-digit ASCII code would fail since it was a seed, and not the "real" code.. Entering the 10-digit key worked every time.
By any chance is this what is occurring on the Mac? Do you see a 10 digit code generated anywhere in the setup routine?
Was the link I provided to you of any help?
WyreNut
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Sharing internet connection - HOW?

I'm sharing internet connection with a PC via netgear. Now we want to add another ibook to the connection. How do I open the network so that it can share the connection? It keeps saying that the network password is incorrect, when it's not... Any ideas?
Thanks!

Are you using WEP?
One of the problems with WEP is that the actual standard relies on a 10 character HEX key for 40bit WEP and a 26 character HEX key for 128bit WEP.
In order to make things easier for people, vendors use certain algorithms to convert simple alphanumeric passwords (or passphrases) into HEX keys, thus enabling people to use simple memorable WEP password rather than lengthy HEX keys.
The problem is that different vendors use different algorithms to generate the HEX key and therefore a ASCII password on an AEBS will be hashed differently on a Netgear client and vice versa.
One thing is a 13 character 128 bit WEP password will be hashed by all vendors in the same way (if you use 40bit WEP then a 5 character password is required).
Though sometimes not even that works and the HEX key must be used regardless.
I have found this to be the case with all the Netgear routers I have used.
AirPort: Joining an encrypted wireless network
http://docs.info.apple.com/article.html?artnum=106424
Choosing a password for networks that use Wired Equivalent Privacy (WEP)
http://docs.info.apple.com/article.html?artnum=108058

Sharing internet connection with powerbook and nintendo wii through airport

i have been trying to share my internet connection from my imac to my powerbook and nintendo wii. i've been unable to accomplish neither. i've opened the sharing preferences, chosen "share your connection from built in ethernet" which is how my imac is connected to the internet, and then chosen "to computers using airport". if i then set my airport options to automatic channel, encryption using 40 bit wep and set a 5 character password as it says if you "plan to share your internet connection with non-apple computers", (and then turn internet sharing on) shouldn't i be able to connect either/both my powerbook and my nintendo wii? or is it necessary to have some other piece of hardware or go through some other steps?
thanks in advance for any help.

I got a macbook for college and I had the same problem with connecting my Wii to the macbook's connection. But lo and behold, the internet's a wonderful place! I tried this out (http://www.macosxhints.com/article.php?story=20070514152251515) and it worked! I'm not sure about the powerbook bit though, sorry. Hope it works for you too.

Problems sharing internet connection through Airport with a PS3

Does anybody know how to share an internet connection wirelessly with a PS3? I've tried everything including following directions from the tech support people from both Sony and my ISP (Verizon) and nothing works. Last time I've talked to Verizon I've obtained a IP number from them as Sony recommended and that did not work either. Is anybody out there with a PS3 sharing the internet connection through Airport successfully? I'd really appreciate any help. Thanks.!!
Message was edited by: pbranda

Let's double-check your Mac's Internet Sharing settings ...
To setup for Internet Sharing (Wired to Wireless):
Setup the Network
Cable Modem > (Ethernet cable) > \[Ethernet port] Mac > (wireless) > PS3
Enable Software Firewall
System Preferences > Security > Firewall
o Block all incoming connections (enabled)
Enable Internet Sharing
System Preferences > Sharing
o Select "Internet Sharing" from the options in the left column
o Share your connection from: Built-in Ethernet
o To computers using: AirPort (checked) (Note: Uncheck all other entries in the list.)
AirPort Options...
o Network Name: <anything you want>
o Channel: Automatic
o Enable encryption (using WEP) (optional)
o Password: (optional)
o Confirm Password: (optional)
o WEP Key Length: (optional)
o Click OK
o Select "Internet Sharing" again
o Click "Start" to start Internet Sharing
o Click Start

Why does my iPhone not show up in iTunes on a mac that has a shared internet connection from another mac?

I have what I would consider a difficult question. I called Apple Care and after she spoke to a senior advisor,the representative ended up saying it wasn't possible.
Having said that, I'm sure this is not a difficult question for people with networking expertise.
Setup
So...I have a MacBook receiving a WiFi signal via AirPort.
In System Preferences, I have turned on Internet sharing (share airport over Ethernet).
I connected the Ethernet port on my MacBook to the Ethernet port on my MDD PowerMac G4.
At this point, I can successfully browse the web, perform software updates, and view other computers and iTunes libraries on my network from my G4.
Goal
However, in iTunes on my G4 I would like to use iTunes DJ.
Tried
So...I click on iTunes DJ.
I set the settings (button in bottom right) to allow guest remotes, etc.
I turned on iTunes Home Sharing (logged into the same account as by iPhone).
Problem
However, from the Remote app on my iPhone, I am unable to see the library on my G4.
Also, if I want to pair my iPhone Remote app with iTunes on my G4, I click add Library in the Remote app, but iTunes on the G4 never displays my iPhone in the left column (although I am able to see all other iTunes libraries being shared on the network).
Thus, I cannot connect to iTunes as a guest Remote, nor can I connect as paired remote.
I have successfully done both of these things with computers connected directly to my modem, as well as with computers connected via WiFi.
The problem is connecting devices to computers that get their internet connection though another computer via internet sharing.
Question
So my question is about Internet sharing itself. Is it not a fully featured ad-hoc network? Does it only provide browsing capabilities and the ability to browse networked computers, but NOT devices such as an iPhone? I don't see the difference; my iPhone is on the same network as the computers, so why is there no communication between it and computers that gain their Internet connection through another computer?
I really hope someone out there who is an expert in networking can help me out with this. Or if it truly is impossible, if someone could explain to me why that is the case, I would also appreciate it.
ps. I usually have my MacBook sharing its Internet connection through an old router that I am using as a switch because I share the connection with three other computers. And if it isn't obvious, the modem is downstairs, and the MacBook, old router being used as a switch, and other computers are upstairs where there is no Ethernet wired.
Thank you in advance for any help.

Phone not recognised in itunes
iPhone not recognised by iTunes on PC
iPhone not recognised by iTunes on Mac

Airport network and sharing Internet connection

Hello all,
I have hit this problem with sharing an internet connection on an airport network. Maybe its a simple fix, maybe it a "can not be done", answer.
My set up may be a little hard to describe. To explain, completely wireless set up in my network, 1 x imac and 1 x powerbook, all on airport and using an airport express. This includes my new printer. All connected through airport express network, call it network A.
Up till now i had a modem with an ether net cable plugged into the airport express. All was fine.
I am in jakarta, the cable internet providers here are hopeless, slow connection speed.
Last month a new wireless internet service was released. Called 3.5 G. Its lightning fast and reliable. Basically you get a wireless USB modem attach it to your computer and you are always connected to the internet wirelessly. You can travel anywhere with it. The 3.5G is primarily for mobile phones but i use it just for internet. This modem is connected to my powerbook and works great.
Now, the useless cable internet connected to my airport express is still connected for my Imac to use.
My problem is that i would like to share my high speed internet connection from my laptop to my imac. Problem is that when i allow sharing from my laptop, the intenet works fine on both machines but on the powerbook, which is doing the sharing you get an arrow symbol through the airport icon at the top.
The laptop can NOT access the local airport express network A. Hence i cannot use the printer or see the imac. That is my problem, i cannot print from the powerbook unless i stop sharing. When you share an internet connection the sharing computer seems to create another computer to computer network and does not join the existing arirport network.
This is probably a little confusing. Hopefully, someone may have some ideas. My alternative is to buy a new fixed position modem/router for the 3.5G system. Its about $600. Ouch.
Any ideas
thanks for the interest.
joe

Selamat Phil Smith,
Actually do we know each other, cause i know a phil smith.
Actually an ether net cable is OK for the short term. But if i get another computer it may get complex. Spent a lot removing cables too.... Looks like i will have to buy the special modem router... Painful $600.
This share internet thing over airport looks like a great idea till you realise it disables access to the ariport network for the computer doing the sharing.
Cheers and thanks for the idea
joe

Problems with sharing internet connection via usb

I have been sharing the internet connection on my iPhone 5 via usb to a PC for a few years. When updating to iOS 8.3 and iTunes to 12.1 (from iOS 6 if I remember correctly) the internet sharing through usb stopped working. Sharing through wifi works and settings are the same as when usb internet share did work. Any idea on how to solve this except downgrading?
For my troubleshooting, has anyone been able to share internet via usb to PC (or Mac) with iOS 8 / iTunes 12.
PS I have unliited cellular data and iPhone is my only internet connection at home,

Mark,
There is a excellent book that teaches you how to do this (and other things) called Mac OS X Tiger: The Missing Manual (others of course)
If I remember correctly (book is on loan)
1: System Preferences>Network>Show>network port configurations (click unlock)
2: Click>Built in Firewire and drag to the top of the list (why I forget why)
3: System Preferences>Sharing>Internet>Share your connection from: Built in Ethernet (or what your using for your connection in) >To computers using: Built in Firewire>Start
4: Mac #2>Hook up Firewire 400 cable>System Preferences>Network>Location>New Location
5: Show>Network Port Configurations>Drag Built in Firewire to top of list and enable.
6: I also think you have to enable Personal Web Sharing on the Mac hosting the internet.
anyway play with it, you'll figure it out. if someone doesn't get to you.

Having problems sharing internet Connection from Macbook to Vonage Adapter

Hello,
I just got my Vonage adaptor and I am trying to share the Internet connection from my Macbook Pro (10.7.3) to the Adaptor to use the Vonage service bc my router is downstairs.
I turned off my Firewall, hooked my Vonage adapter to the Macbook with the ethernet cable and then went to Sys Preferences > Sharing > Selected Internet Sharing > Share Connection from Wifi to computers using Ethernet, and it looks like everything is ok but when i try to use the phone which is connected to to Vonage Adapter, it says "Your Vonage device cannot connect to the internet, check to see if your high speed internet is down".
I went and looked at my Network preferences and it shows Ethernet connected which is the Vonage Adapter and gives the following:
IP Address: 169.254.163.167
Subnet Mask: 255.255.0.0
Is there something Im doing wrong? Ive seen on several forums that its possible to do but having bad luck. Any help is appreciated.

All I know is that I got Ubuntu to share internet and offer IPs through DHCP by using Firestarter. I am very new to Solaris, however, and am looking forward to learning about it. I've just made it my regular desktop environment. Long as you can get Solaris to configure its network interface with DHCP after your Ubuntu is configured, you should be able to share to as many clients as you'd like. Fedora also works well for that, and in my opinion, it's a better Linux than Ubuntu, though Solaris remains a better Linux than Linux, right? Har.

Sharing internet connection using 4200 speedstream with airport express

I have xp windows sp2 loaded on a desktop with ethernet connection to a modem and have a macbook pro laptop using airport express. I have to reset the modem to full bridge mode to access the internet when using airport express wireless connection,this disables the connection to the internet on my desktop ( the error displayed is low conductivity through the modem). To get my desk top to work on the internet I have to reset the modem and set it to optus bridge. This allows access to the internet but disables my airport express connecton.
Is there a way to allow sharing my connection to the internet without reseting the modem.

G'day mate,
The SpeedStream 4200 supplied to Telstra BigPond customers is a single user device, connect it to a 'Switch' or 'Router' to share the Internet Service or, replace the whole thing with an ADSL2+ Wireless Modem Router and get coverage all over your house.

Sharing internet connection with a PC

Hi, I have a macbook with the latest OS X. I want to know if it is possible to share my PC's internet connection with my laptop, either through wifi, bluetooth, or firewire. I am running XP on the PC. I will not have a wireless network up, and I would like to have internet on both my mac and my pc. Is there a device that i can hook into my PC to broadcast a wifi network. It doesnt have to have a large range, I'll be using my laptop close to my desktop.
Macbook Mac OS X (10.4.7)

Really cool feature alert. Under System Preferences-->Sharing you can have your Mac share to any computer connected via Wi-fi, Firewire, or Ethernet. Whichever adapters are not used for the Internet connection are available.
It saved me lots of grief setting up some stubborn Windows boxen that only loaded the firewire driver as the OS was setup.

Firewall blocks some services when sharing internet connection

Hello,
I have some issues regarding internet sharing that I hope someone could successfully troubleshoot :
2 computer, iMac G5 2.0 and an original "17 PowerBook G4 1.0, both running 10.4.7.
The iMac is connected to the internet via Ethernet and shares its connection with the PB using the Airport.
The problem is that when the Firewall is enabled (just using the built-in one) the shared connection is limited for only few services :
Web browsing, iPhoto and iTunes Bonjour sharing, Apple Remote Desktop all work smoothly while iChat, MSN Messenger, Bittorrent clients can't connect and Mail can't go Online (can't connect to my Gmail accounts). Since even enabling all default services in the list doesn't help the only solution is to completely disable the Firewall in the iMac. When the Firewall is off everything goes back to normal.
I tried to isolate the problem but I can't get my finger on the right ports to open.
I tested sharing the connection through Firewall instead but it's the same so It's definitely not related to the type of connection used to connect the two computers one to the other. It is strictly related to the Firewall.
I found two Apple documents :
http://docs.info.apple.com/article.html?artnum=107653
http://docs.info.apple.com/article.html?artnum=107594
I carefully followed the instructions but it didn't resolve the problem.
From reading the first document I learnt that port 443 is related to the Secure Sockets Layer service so I searched Apple document http://docs.info.apple.com/article.html?artnum=106439 for other ports related to that service but since I'm not an expert I couldn't figured it out right by myself.
Setting for the iMac side are as followed :
Network panel : Airport is active. (as recommended in http://docs.info.apple.com/article.html?artnum=107594 I set Airport to the highest port priority).
Sharing panel/Services : Personal web sharing is set to ON. As I mentioned before even enabling all default services in the list doesn't help.
Sharing panel/Internet : Internet sharing is ON. "Share your connection from" is set to Airport. "To computers using" : Airport checkbox checked. I tried the Firewall option instead as well.
Appleshare is ON and automatically configured (zero configuration in the Firewall) on both macs.
Ports for iChat, MSN and Gmail on the iMac side are open. iMac has no problem to connect to these services directly.
On the PB side turning the Firewall on or off resulted the same.
Could someone please help me to configure the Firewall so it won't have to be always turned off?
Your help is much appreciated
Elad
Original PowerBook "17/iMac G5 2.0 "20 Mac OS X (10.4.7)

In the Sharing pane of System Preferences, click the Advanced button under the Firewall tab, enable firewall logging, and then try using those services on the other computer. When done, check the firewall log and look for the number after the : in the logged entries; this is a port number. Knowing the IP address of the other machine will help determine which entries were produced by it as opposed to ones which came from the Internet; this is visible in the Network pane of System Preferences.
(15371)

Instaling second ethernet card / sharing internet connection

Hiya.
Is it possible to share my cable broadband service ( PS3 etc ) through my PPC G4, maybe by installing a second ethernet pci card and sharing the internal ethernet, or is there any other possibilities. no airport, but do have a D-link bluetooth dongle...

As other posters have pointed out, you don't need a second ethernet card to share out your connection - if you have an existing router (with a number of ethernet connections), you can connect your game consoles to that, and your ISP will be none the wiser. Your ISP will still give you one IP address; your router does the translation into multiple private IP addresses (eg 10.0.1.1, 10.0.1.2, etc)
Another option is to buy an inexpensive network switch, put that between the router and the Mac, connect the other devices to the switch, and turn on sharing from ethernet to ethernet. But you really don't need to with a router on the network.
If you share out your Mac's internet connection, the devices behind the connection will get IP addresses in the range 192.168.2.x (the Mac will effectively be their router/DHCP server at 192.168.2.1).
Matt

Shared Internet Connection not working between G3 iMacs

Trying to share an AirPort connection on iMac 1 over ethernet to iMac 2.
iMac 1 is a 400 MHz iMac G3 running OS 10.2.8. It has AirPort and I set the Sharing-Internet pane to share its AirPort connection over Ethernet. The Firewall is off.
iMac 2 is connected to iMac 1 via crossover cable. It's a 500 MHz G3 running OS 10.3.9.
AirPort base station is set to Pass-through for IP addresses, and is connected via the WAN port to a D-Link Dl604 router's LAN port; the router connects to a cable modem via ethernet from its WAN port. The network consists of about 11 Macs and 3 PCs. 4 of the Macs connect by AirPort and 6 plus the PCs connect by ethernet, leaving the odd man out, the iMac 500. I don't use the network to share info between machines, just to allow all to access the internet
In the Network preference pane on # 2, I have a green light for ethernet -- but it isn't being fed the right info in TCP/IP ... the router info is not the IP of # 1 nor is it the IP of my Router or of my AirPort base station -- I have no idea what it's from but it looks like it's self-assigned. The Router address of #2 is 192.168.2.1, and the supposed network address of #2 is 192.168.2.4.
So, iMac 2 won't connect to the Internet. If I unplug the ethernet cable, the TCP/IP info on #2 disappears, but the same info reappears as soon as I reconnect the crossover cable. I have rebooted the machines to no avail.
Now, I also tried a direct connection from #2 to my router in another room (conventional ethernet cable) and #2 had no problem getting online.
I also tried #2 connected to my Dual G4 (running 10.3.9) in a third room, with the G4 sharing its AirPort connection over Ethernet - result is the same as when connected to #1 -- green light, no internet connection, and a wonky router address. To top it off I run Remote Desktop 2.2 from the Dual G4 and it can't see #2 even when the supposed network address on #2 is entered into ARD manually.
The only thing that's right is the subnet mask.
Any ideas? I've done this with other Macs and never had an issue til now. I even started over and reinstalled OS 10.3.9 on the iMac 500, to no avail.
Is there a cache file or plist file somewhere I need to trash? Too bad there is no way to manually "reboot" TCP/IP. I did try the Internet Setup Assistant, and it told me I would have to enter a manual address. I don't get it -- it's fine with a direct connection, but not through a shared connection....

Solved!
I forgot about permissions and disk repair in Disk Utility. After doing this, the tethering is working again.

Sharing internet connection with another mac

I have a 2.33 GHz Intel Core Duo iMac with 2 GB memory running Leopard 10.5.1 and connect to the internet through a cable modem into my ethernet port. I have internet sharing and Airport on. My daughter has an iMac G4 running 10.3.9 and gets her internet connection through my computer through an Airport connection. This was working well until I upgraded to Leopard and now she is unable to connect. Either my computer does not show up on her list of available networks or it will show up only briefly. When it does show and she tries to connect, she gets an error message stating there is a problem connecting. Never happened before he Leopard upgrade. Any ideas?

Thanks again both...
I think I have done exactly as you suggest. The USB modem is in the MBA USB port and connects to the mobile signal giving a good, fast connection - allowing my MBA to use safari and mail very well and with good download speeds. I go in to system preferences, internet and network, sharing and internet sharing in the "share connection from" I choose ZTEUSBModem. In the "to computers using" I tick Airport. In airport options I've tried 40 and 128 bit WEP. The ipad sees a wireless network and connects using the password I set in the internet sharing, airport options section. However, if you try to look at a web page, it just sits there for a bit but doesn't work. I tried my Iphone 4 last night and got the same result. Both work fine with my usual home wifi network, just can't get them to play nice with this USB mobile broadband modem....
Thanks again for trying to help..

Portforwarding through a shared internet connection.

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