Airport iPhone Internet Sharing

hi,
I am trying to configure so that I can surf the internet on my iPhone through internet sharing my airport on MBP.
I have configured IP addresses manually and set the manual proxy to 10.0.0.1 on port 8080. When I ping the iPhone it responds between 6 & 8 times and then drops off never responding again until I start and stop airport and internet sharing. When i open Safari on the iPhone it instantly says it cannot find the server.
Personal Web Sharing is turned on. What am I missing here? This did work until I disconnected yesterday. Nothing changed in my settings and even though browsing was slow on the iPhone it was able to access webpages through Safari.
I'm thinking it is something to do with port 8080 ... it has become disabled for some reason.
Any ideas or pointers anyone?

I've been having the same problems as everyone else here. Trying to share internet connection from my ethernet wired iMac to my MacBook and my iPhone. Tried all the workarounds, but nothing works, or lasts very long.
Yesterday, I finally talked with AppleCare for over an hour. All their suggestions (trashing preferences, changing settings, etc.) failed, as well. The AppleCare person then put me on hold to speak to an engineer, who told her that Snow Leopard no longer supports Internet Sharing as of 10.6.1.
Not willing to accept that answer, I had them set up an appointment at the Apple Store Genius Bar for me, and after chatting with the Genius for a while, he also confirmed that Internet Sharing is no longer supported under Snow Leopard. Apparently, there were many hardware issues that the engineers decided to circumvent, and so did not include support for Internet Sharing with the internal airport in Macs. They said that the Airport it is intended to receive, not to send a signals! Yet, it worked fine, doing just that, under Tiger and Leopard! The only fix he could offer was to wipe my drive and take me back to 10.5, which I declined.
However both the guy at the Genius Bar and the lady at AppleCare inferred that Apple "may" release another update to fix this issue, if they get enough complaints and bug reports.
So, there you have it. Apple no longer officially supports Internet Sharing in Snow Leopard.

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Airport and internet sharing turns off by itself

Hi everyone, I have an imac that I purchased earlier this year, and I use internet sharing to get internet for my ipod touch. Until a few months ago, this worked fine but now airport and internet sharing turn off every time I restart the computer and I have to turn both back on every time. Is anyone else experiencing this problem or know hot to fix it?

Hi and Welcome to Apple Discussions...
Download and install the v10.5.8 combo update available here.
http://support.apple.com/downloads/MacOS_X_10_5_8_ComboUpdate
One of the "fixes" includes: - compatibility and reliability issues when joining AirPort networks.
After the installation, repair disk permissions.
Quit any open applications/programs. Launch Disk Utility. (Applications/Utilities) Select MacintoshHD in the panel on the left, select the FirstAid tab. Click: Repair Disk Permissions. When it's finished from the Menu Bar, Quit Disk Utility and restart your Mac. If you see a long list of "messages" in the permissions window, it's ok. That can be ignored. As long as you see, "Permissions Repair Complete" when it's finished... you're done. Quit Disk Utility and restart your Mac.
Carolyn

Can't create airport/wifi internet-sharing network with other laptop

I have an iBook running Tiger 10.4.11 connected to the net with ethernet. The internet connection comes through a radio antenna which acts like a router to which I don't have access.
I want to share my internet connection, and to be able to transfer files, between the iBook and another laptop. I've tried it with two - one running Fedora 11 (mine) and one running Windows XP, and have the same problems with both.
I turn wifi on on the ibook and linux laptop. I turn on internet sharing from built-in ethernet to airport in System Preferences. First I try it with no encryption. 'Other settings may interfere with internet sharing' shows up; it tells me to enable Personal Web Sharing, which I do. When I click start Little Snitch tells me natd wants to connect to 10.0.2.1 (presumably the router in the antenna), which I allow. I try to connect with the linux laptop and it tries then disconnects.
1) isn't personal web sharing for serving web pages? — why is it necessary here at all?
2) what am I doing wrong in making my network work?
If I enable encryption using WEP, the other password asks me for authenticication, I put in the password, and it then tells me the network has been disconnected.
3) is WEP the best encryption I can use from Tiger?
4) I think the problem's with Tiger (both laptops can connect to other wifi networks not set up by me). Is there a piece of free software I can use to share the connection instead of the built-in one?
I can't make a functional network in reverse either (i.e. setting it up on the other laptop and trying to connect wirelessly with the ibook).
What I am trying to do is precisely this (http://my.safaribooksonline.com/0596009135/runmacx2-CHP-11-SECT-13) — it just doesn't work.

When I click start Little Snitch tells me natd wants to connect to 10.0.2.1 (presumably the router in the antenna), which I allow. I try to connect with the linux laptop and it tries then disconnects.
Back on that part, at that Point the Mac is a NATD Router, don't try to connect to the other computers.
On the Mac, with Internet Sharing enabled, open NetInfo Manager in Applications>Utilities.
From there on out, it's a bit foggy, but iirc Config>DHCP>Subnets><the subnet>, then down where it says com.apple.nat... what does it report for IPs?
If it were say 10.43.29.1 then the others trying to join should have that as a Router/Gateway, and then 10.43.29.2, 10.43.29.3, etc. as IPs.
Apple says you can't set it Manually, but I've had it work a couple of times.

XP can't connect to iMac-based AirPort for Internet Sharing

(I apologize if there's already an answer to my issue out there somewhere; I promise that I searched for it before posting)
Hello!
I have an iMac running Tiger (and connected to the internet via ethernet -> cable modem), and I want to use it as a hub for encrypted Internet Sharing. I have two other machines, an older iMac and a WinXP laptop. As you might expect, I have no problem whatsoever setting up the network and getting the old iMac to see it, connect, and so on. The XP machine can see the network, and, when encryption is off, can connect to it, but I really want to run encryption.
I'm sure I'm not the first person to run into this problem, and I have found a couple of websites that discuss it -- however, I can't seem to make it work. Does anyone out there in forum land know of a step-by-step tutorial that would cover setting up encrypted Internet Sharing (over AirPort) on an iMac so that another iMac and an XP machine can connect? Any guidance you can offer would be most welcome.
Thanks in advance,
Dieter

Just to give a bit of an update, I chatted with Apple support, and in essence they told me that I had to take this up with the manufacturer of my XP laptop's wireless card -- understandable, given that my old iMac works just fine on the network (so the problem really isn't on the Mac end of things).
I tried using the information at http://www.macosxhints.com/article.php?story=20030803030354585, but no dice, unfortunately; maybe that will work for someone else, however.
I also found out something new -- I thought my XP laptop could connect to my AirPort network when encryption was off, but I was wrong. Instead, it just says "trying to connect," but nothing ever happens. But I CAN use the XP box to connect to other wireless networks in the neighborhood (shh, don't tell). So it looks like there's a deeper issue.
Please -- I know that someone out there has an answer; I really need to be able to make this work.
Thanks again,
Dieter
iMac dual core Mac OS X (10.4.5)

If I have my iMac internet sharing turned on, the Airport Utility won't recognize the Airport Express I want to use to stream iTunes to my stereo. When I turn the iMac internet sharing off, the Airport Express appears but calls itself a base station.

If I have my iMac internet sharing turned on, the Airport Utility won't recognize the Airport Express I want to use to stream iTunes to my stereo. When I turn the iMac internet sharing off, the Airport Express appears but calls itself a base station. I just bought the Airport Express and it's not clear how I should set up my System Preferences for Sharing. Thx

Yes. Unfortunately the stereo is too far from the wired ethernet connection My iMac is connected to the internet using an ethernet cable from the DSL modem (plugged into the wall, not wireless). The Airport Express is plugged into an outlet 25' away from the iMac and connected to my speakers. I've turned on the iMac Airport wireless Internet Sharing, hoping to stream iTunes to the Express connected to the stereo. The iMac Airport picks up several neighborhood networks so I know it's working (and I connected my iPhone wifi to it just to check as well).
When I use Airport Utility to set up the Express, the only time Utility recognizes the Express is when the iMac Airport is off. When I turn on the iMac Airport, the Airport Utility immediately loses the Express and asks to rescan.
Maybe that explains my problem better.

Internet Sharing from some other source TO an AirPort base station

I have an unusual setup. My wifi comes in through some obscure USB adapter in my desktop Mac. This cannot be changed. I then connect my desktop Mac to my Mac laptop with an ethernet cable and enable Internet Sharing. This works fine.
What I would like to do is connect the desktop Mac to the AirPort base station instead of directly to my laptop. Then I could use the built-in AirPort in the laptop to connect to the base station. I've tried using the desktop Mac's internal AirPort with internet sharing, which works sporadically. I would rather use this new base station that I got if we could focus on that instead of fixing this other method please.
Is there a special way to set up the base station to do this? It doesn't work automatically. For example, should I use the LAN or WAN port? What settings should I change with AirPort admin utility?

Yes that can work.
Enable internet sharing on the desktop Mac from USB to Ethernet.
Connect the WAN port of the AirPort Extreme base station (AEBS) to the desktop Mac. Configure the AEBS to act as a bridge (not sharing a single public IP address).

Airport Internet Sharing Problem Mini - PC Laptop

Airport Internet Sharing Problem
My setup is:
Cable Modem -> Mac Mini --> PC Laptop
... with the connection between the mac mini and the PC laptop being the built-in mac mini airport using internet sharing.
Hi, I've been trying to set up Airport internet sharing with the mini, to no avail. It works off & on, but invariably the internet connections drop after about 10 minutes. The only way to get it started again, is to go into internet sharing, turn off internet sharing, then turn it on again. It will work for another 10 minutes or so (slow) after gong back to the PC laptop and reconnecting, then it chokes again.
I've tried the connection both with & without WEP, same behavior. I read somewhere that OS X only plays well with using Channel 1, so I tried that. No luck. Tried with and without Interference Robustness, no luck.
Tried with WEP on and using 40 bit hex keys using a "$" prepend in the mac as suggested on this web page:
http://www.macosxhints.com/article.php?story=20030803030354585
Same behavior, works for 10 minutes, then it chokes again.
Tried with & without the firewall.
Yes, personal web sharing is on.
The PC laptop works fine with any number of other wireless routers out & about town, at my girlfriend's house, so forth.
Any chance I have a bum mac mini wireless card or antennae or something? The reception strength on the PC laptop is good.
Just don't know what to make of it. So stupid, it seems like something pretty basic that ought to work.
Yeah yeah tell me to get a wireless router, but I'm not going to do that, that's one major reason I bought the mini in the first place and it would be nice if it worked as advertised.
Any other suggestions?

Works better now...
this is me again. A week ago or so, I noticed there was an automatic update to the wireless on the mac mini.
Since then the performance is much improved. My PC laptop connection to the mac mini no longer drops spontaneously.
Much improved! Thank you very much!
Yes, on occasion, when I leave and then come back to use the wireless, the laptop will not reconnect after multiple attempts; I have to turn of internet sharing and flick it back on again, but then it works all evening fore hours and hours straight with no problems.
Thanks Apple! It's usable now!

HINT: Turn off Firewall to enable Internet Sharing

it only took 2 hours of trial and error, but I am finally able to access the internet from my iPhone via my father's iMac (Intel Core 2 Duo, purchased in May 2009).
turn OFF the Firewall!
setup:
iPhone 3.1.2
iMac 10.6.2
Internet Sharing On: From ethernet, To Airport
cheers.
(keywords: iPhone, Internet Sharing, Snow Leopard, Airport, Firewall)

mmm... I had actually edited my original post but it didn't stick.
rather than turn off the Firewall (not ideal as the man from Virginia has rightfully pointed out), turn off the "Block all incoming connections" option in Advanced options.
cheers.

How can I use Internet Sharing with Firewall on ?

Hi,
My PowerMac G5 is connected to the internet via Ethernet. I share the connection to a Powerboog via Airport using internet sharing. Everything is working fine except when I turn the Firewall on. After reading http://docs.info.apple.com/article.html?artnum=107653 I tried opening port 443 but it still does'nt work. I'd like to be able to use internet sharing with the firewall on. Anyone can help me ? Thanks!

Hmmm, how curious... I never had to do that in 10.4.7 or 10.4.8... the only ones I ever tried Internet Sharing with.
I'm wondering if turning the Firewall on after the Internet sharing is what's doing it? Just for kicks you might try turning off Internet Sharing, then Firewall on, then turn on Internet Sharing.
If that doesn't work, then I'd personally try trashing...
/Library/Preferences/com.apple.sharing.firewall.plist
Then reboot and try the Firewall again.

How do I use internet sharing from my MacBook Pro (static IP, only one DNS server) to my iPod Touch?

Hey,
   I'm connecting to the net using an Ethernet cable to my MacBook with the following network settings.
IP Address: 192.168.y.{0-250}
Subnet Mask: 255.255.255.0
Router: 192.168.y.x (where 'y' is the same number as in the IP address)
DNS Server: 192.168.99.3
Apologies if I'm being unclear; not sure how much information it's OK to share publicly.
   I then turn on Airport and Internet Sharing, and look for my wireless network with my 4th generation iPod Touch. However, the network appears erratically. I sometimes have to wait for a minute or two and keep refreshing before it appears on my iTouch. When I try to connect it just says 'Failed to connect to the network'.
   I've followed all the steps in this article with several variations to no avail.
http://lightyearsoftware.com/2010/06/how-to-set-up-internet-sharing-on-mac-os-x/
   Can anyone suggest a solution? Any help would be greatly appreciated. I've been banging my head against this for days.

On the advice of a friend I installed and ran a program on my MacBook called 'IPSecuritas'. This has stopped my wireless network from appearing and disappearing, but I still can't connect. Would really appreciate some help with this.

Internet Sharing never starts completely and gives IP addresses

Hi,
I'm trying to start internet connection sharing and fail to. Here are symptoms: Trying to share connection from Ethernet through AirPort, enabling Internet sharing in Sys Pref, then Pref pane shows green lamplight and says "Opening your shared connection" (or smth like this, I run non-English version of Mac OS X), and never leaves this state (never start saying "Sharing connection").
While in this state, I've checked if IP address was assigned to wifi card, and that was not the case. Guessing this could be the reason, but searching in these forums and general internet gave me no answer.
Firewall is not enabled, afaik.
What could be the reason of issue? Some errors with DHCP?
Best regards,
Petr

Yes, I've seen the cure in this particular Forum some months ago, (unfortunately I didn't bookmark it!).
If it helps, the pseudo router in the Mac always hands out x.x.2.x addies, which has been a bugaboo if you had any other x.x.2.x device in the mix, somewhere a few months after that discovery, some Guru here posted exactly what you need... sorry I can't help you more!

Keeping Internet Sharing connections off Bonjour subnet

Hi,
I have my Mac Mini connected to my home lan via ethernet. I have set its Airport for Internet Sharing. Despite connections to the Airport being on a different subnet than my lan, any device using that Internet Sharing connected can "see" and access any Bonjour services (like Screen Sharing or AFP for example) on the lan.
Now I understand that those Internet Sharing connections connect to the router via NAT provided through my Airport on the Mini. But what I'd like to do is use ipfw or whatever to prevent the Internet Sharing subnet from accessing any IP on the lan with the exception of the router itself. With iptables I could probably figure this out (or get close), but I am not familiar with ipfw. Can anyone help me with setting up ipfw to do this?
Thanks,
Doug

I'm no expert but usually the router lets you share one ip address (assigned by your ISP) between several computers on an internal network and the computers can each connect via the router - they don't need to connect to each other. For example, I've got a set up with two computers (one is mine, one is my parents') and two airport base stations. One of the base stations acts as a router (the other just boosts the range so the signal is stronger upstairs) and it distributes internal ips between the other base station and the two computers. We share the internet connexion but neither computer is set up to share its own internet connexion.
So if you're asking what I think you're asking, I don't think you need to enable internet connexion sharing at all - you could just have the computers connect via the router. The only reason I can think not to do this would be if maybe the router doesn't allow wireless connexions and you needed to connect one of the computers using this method. Otherwise, I'd think you'd just connect both through the router.
If that doesn't help, it is probably because I have no idea what I'm talking about - or, rather, very little idea which is worse because it means sometimes I think I understand something a little bit!
- cfr

Cannot get Internet Sharing to work

Hi,
Has anyone ever had success with internet sharing? Basically we are trying to avoid buying an Airport Base Station.
Ever since OS 10.0 I've fiddled with sharing my ethernet connection over airport via Internet Sharing. I've never had success.
Current setup is an Intel iMac hardwired with ethernet, trying to share internet with a Powerbook G4. Personal web sharing is switched on. I've toggled the firewall on and off, no success. On the powerbook I just get a strong signal, and the network status shows that the "airport has a self-assigned IP address and may not be able to connect to the internet."
Thanks!

here is how i do it:
I recieve wifi with my macbook. In sysprefs i tell it to share my connection from airport to computers using ethernet (u would choose fw, no prob)
I also have personal file sharing turned on under the services tab as well as remote login, this is probly not nec.
under network (still on the comp recieving primary internet connect.in your case thru ethernet..) go to show FW and pull down DHCP using manual address. this is crucial. Now enter in the ip address 192.168.2.90
where it says DNS enter 208.67.222.222
now go to your recipient computer, go to network select the good ol show FW and this time on the pull down select "using DHCP"
manually enter the DNS as 208.67.220.220
Im not sure if its necessary but i turn the person file sharing on as well as remote login. on the recipient computer i do not turn on the internet sharing of course.
this should work. it works splendidly for me.

Wireless Internet Sharing with iPod touch - email yes, web no ???!?!?!!

Okay - I really don't understand this!
I'm using the following constellation: My MacMini ist connected by an Ethernet Cable to an AEB, which is used as the Internet Router (exactly: it brigdes the Internet connection). The Mini itself is surfing the Web fine. Now I opened the build-in Airport for Internet Sharing (using Ethernet; connecting through Airport). This is working nicely, when I connect to this Airport-Network with my MacBook Pro.
But now, there is the problem: When try to use this connection with my iPod touch, I cannot open any website! Neither is You Tube working nor any of the Widgets. Buuuuut - I can send and receive emails without problems!
Any explanation? Any help?
Thanks!
Message was edited by: Christoph Lichtenberg

I have a similar problem - trying to share the internet connection of my MBP via airport to my ipod touch. It works sometimes. Directly after activating Internet Sharing it can load a page or two, then it usually gets stuck.
At the (apple certified) store around the corner, they were able to reproduce the problem, but said it is a software problem, rather than an airport issue.
There is another thread about random behaviour with internet sharing: http://discussions.apple.com/thread.jspa?threadID=1164535&tstart=0
On a friends iBook, the same thing works perfectly...
My initial guess was a wrong mtu value - but couldn't fix it so far...

AirPort Express wireless connection, when I surf the news sites so I linked to **** pages. And must close the window. If I use my iPhone with Internet sharing the same computer, then I have no problem. I believe that it is in AirPort Express, and wou

AirPort Express wireless connection, when I surf the news sites so I linked to **** pages. And must close the window. If I use my iPhone with Internet sharing the same computer, then I have no problem.
I believe that it is in AirPort Express, and would have to clean it. How do you do that?

You need to use the Express in router mode.. I think you are trying to use it in bridge mode.. but you need to give us a lot more details.. screenshots might help more than anything.

Airport iPhone Internet Sharing

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