Internet sharing - slow http.

My Arch box is connected to the net by ADSL usb modem and I share it with windows-powered computer like this:
eth0 Link encap:Ethernet HWaddr 00:30:4F:41:1E:ED
inet addr:192.168.0.1 Bcast:192.168.0.1 Mask:255.255.255.0
inet6 addr: fe80::230:4fff:fe41:1eed/64 Scope:Link
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:161 errors:0 dropped:0 overruns:0 frame:0
TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:16176 (15.7 Kb) TX bytes:528 (528.0 b)
Interrupt:18 Base address:0xef00
and the script I run is:
echo 1 > /proc/sys/net/ipv4/ip_forward
iptables -F -t nat
iptables -X -t nat
iptables -F -t filter
iptables -X -t filter
iptables -t filter -P FORWARD DROP
iptables -t filter -A FORWARD -s 192.168.0.1/255.255.255.0 -d 0/0 -j ACCEPT
iptables -t filter -A FORWARD -s 0/0 -d 192.168.0.1/255.255.255.0 -j ACCEPT
iptables -t nat -A POSTROUTING -s 192.168.0.0/16 -d 0/0 -j MASQUERADE
iptables -I FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
The other system (the one with WIndows) can acces the internet (ip: 192.168.0.2 mask 255.255.255.0 gateway 192.168.0.1), it can download stuff at maximal speed but somehow internet browsing is really slow (either on IE or FireFox). Loading of google.com takes ~25 secs.

I do have the same problem indeed, and noticed some interesting details.
In my home I used to share a PPPoE/Ethernet connection through my iMac. It puts my Macbook, iPhone and my gf's PC online.
After upgrading to Lion however, it puts none of them online.
If I change the "Share your connection from" option to one of my VPNs, I can get online with my Macbook, but not my iPhone or my gf's PC.
Apart from that, it doesn't work no matter how many times I change password, channel, or other options.
Hope Apple comes up with a solution before next working week starts!

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Slow access to local WebServer using Internet Sharing

Hi,
I have a MacPro with a WLAN. Sometimes I use internet sharing to access the internet with my iPhone. When using the "Browse the Web" feature of Goodreader to access some files on my MacPro it took very long until I get a directory listing on the iPad (only a dew files and folder). The other Way aroung (using the Goodreader intergrate WebServer an access this from my desktop is quite fast.
The desktop has an IP Number 192.168.1.2 the iPad someting with 10.xx.xx.xx. Putting the into the same ip number schema (using a wieeless router) works fine in both directions.
Any idea why the server is so slow?
Leif

Hi,
I don't know if any of you came up with an answer to this problem, because I have the exact same problem.
I use version 5.0.01.0600 of the VPN Client. Windows Explorer hangs for a couple of seconds and then works fine for a couple of seconds and then hangs for a couple of seconds, etc. When logged on in Windows XP with a user with administrator rights this problem doesn't occur. Only when logged on with a Restricted user (Users Group) does this problem occur.
Hoping you can help,
Jeroen

Internet Connection sharing and HTTP traffic

Hello anyone,
I have a late 2009 iMac and a late 2008 MacBook Air. I connect to the internet via a ADSL PPPoE modem, which is connected to the iMac via ethernet. I've set up the iMac to share the ADSL connection via AirPort to the MacBook Air, with WEP protection (it's either WEP or no protection at all, so I have to stick with it). Before the OS X Lion upgrade, everything worked fine (the iMac used Snow Leopard and the MacBook used Leopard). Now I have upgraded both comptuers to Lion: the iMac works flawlessly, but the MacBook Air is unable to get HTTP traffic from the iMac. IMAP, Skype, ICMP, XMPP and other protocols works fine but HTTP has some problems. First of all, I can get some web pages (either via a browser or curl), like Google and Google-owned sites (YouTube, Orkut, Blogger...), Macworld.com and some Italian sites, but if I try other sites, all I get is the browser to load something forever. If I ping these sites, they reply normally. If I try to get (for instance), Yahoo's homepage with curl all I get is a blank file (and curl shows that 0 bytes were transmitted/recieved). This problem is shown with every device I use via Wi-Fi, such as iPod touch, iPhone and another MacBook (with Snow Leopard on).
So I guess there's some problem in iMac's Conncetion Sharing... has anyone a suggestion?
Thanks
Simone

I no nothing about Windows. Nothing.
But to configure your Mac to share an ehternet to wi-fi connect follow these steps;
My Mac mini is connected to the internet by Ethernet cable to my ISP's Arris gateway. I am sharing the Ethernet connection to two iPod Touches, an iPhone and now an iPad 2 over AirPort from my Mac mini.
1. In Sys Prefs/Sharing I highlighted Internet Sharing (do not check the box)
2. Share your connection from: Ethernet (from the dropdown menu)
3. To computers using: AirPort (check the little box)
4. Press the button AirPort Options...
5. Name your Network
6. I use Automatic for the channel
7. I encrypt my network using a 40-bit WEP key
8. For a non-Apple device, like a Windows laptop or an XBox, you must use only a 5 alphanumeric character, 40-bit WEP password or only a 13 alphanumeric character, 128-bit WEP password
9. Press OK
10. Check the box for Internet Sharing
11. Answer any dialog boxes that pop up
Dah•veed

OS X Lion internet sharing is so slow on iPad

OS X Lion internet sharing is so slow on iPad, Snow Leopard worked smoothly. Anyone having the same problem? Any work arounds?

Same problem here. I can share over my airport wifi network but it is dirt slow. Trying to copy a 300 meg file from one computer's desktop to another and the progress bar is saying 45 minutes and is just crawling.
I'm sure an update is coming but this is frustrating.
Safari and internet in general is much slower/laggish compared to my desktop which is still on Snow Leopard.

Internet sharing is slow / not working at all

Hello everybody and everyone.
Something strage has happend with my Internet Sharing.. I discovered it for me since a week. So, I made the whole thing in the Preferences bla-bla-bla.. A week or even more it was working. (I'm using my iPod with the Wi-fi from my iMac. And iMac becomes it from Ethernet) So, it worked perfectly.. But now my iPad see it, use it, but if I want to look a movie or something like that (it worked, actually) he just stops. Internet surfing is every time like "10min pause, then JUMP...another 10 min pause".
Internet on my iMac still be perfect. So thats not a problem. When I click on my sharing WiFi, it shows me something like "The connection with "(null)" is failed. By the connection the timeout is occurred" (sorry for my english, actually I use a German language on my Mac, so if somebody knows it: "Die Verbindung mit „(null)“ ist fehlgeschlagen. Bei der Verbindung ist eine Zeitüberschreitung aufgetreten.")
I tried to change passwords / chanells / name, but nothing help. It gives some "push" for 5 seconds of internet-happiness and then starts this crap again.
To make a long story short: I'm sharing wifi from my iMac, iPod catches it, but when I open a web-site, he can use wifi anymore.
Thanks for help, sorry if it was too long

Mark, this is not the same as Robert Cole's problem. He's talking about Internet sharing -- sharing his Mac's connection to the Internet with other computers. You're talking about Web sharing -- sharing files on your Mac with others via the Web.
Robert, I haven't had success with this yet, either -- but I've only tried it once, and didn't have the opportunity to fiddle. I would try -- in order --
turning off the FireWall on the G5;
going into Network Preferences > Airport > TCP/IP on the iBook, and listing your G5's Airport IP-address as the default router. While you're there, make sure your iBook has an Airport IP-address that's different than the G5's, but on the same subnet (differing only in the last number).
If #2 works, you can probably turn the firewall on your G5 back on.
Post back & let me know how it goes!

Open DNS and internet sharing

I am seeing strange behavior, and wondering if anyone has a thought about what is going on.
I am at a hotel with fast internet service over ethernet, but, for whatever reason, DNS seems very slow if I use DHCP to connect (timeouts of 5-10 secs to get to a new site). If I switch to DHCP with fixed DNS, and use the Open DNS servers (208.67.222.222, 208.67.220.220) the latency issues go away.
The interesting thing is that I am sharing the internet connection over Airport to my wife's computer (she connecting thru DHCP). If I use a fixed DNS for MY computer, then her computer cannot connect thru internet sharing. But if I use the (slow) DHCP connection, then she can connect through mine. I have not tried setting up her computer with a fixed DNS, as she really doesn't like me to change settings on her computer
Is this a known limitation of internet sharing, or is there something I should know?
TIA

In more detail, if my ethernet (the computer that is doing the sharing), is set up with Configure: Using DHCP, and DNS Server: 208.67.222.222, 208.67.220.220 (in Network Panel for Ethernet), then the computer connecting thru Internet Sharing in Sharing Panel is not able to access some or all resources thru http (ie, pages fail to load, or do not fully load).
However, if I clear the DNS Server part in the Network Panel, thereby using the the DNS Servers supplied by the hotel, then my computer's connection to the internet is slower, with long waits (presumably due to a slow DNS server), but computers accessing the internet via Airport thru my shared connection are able to browse the internet successfully.
I suspect that when I have a fixed DNS server in my computer, that fact is not broadcast to computers using the shared connection. But I am not an expert in TCP/IP, and may well be confused about how DHCP, DNS, and Apple's Internet Sharing work together.
Thanks for any ideas you have
A

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!

Firewire - Internet Sharing - Networking

I have my two apple computers connected via firewire. (Macpro Quad 8GB mem, 2 Video Cards, 3 monitors, airport) The computers see each other and file sharing, file transfer, itunes, and screen sharing all work.
The Macpro has an ethernet card directly connected to my router. My ipod connects to my Macpro via airport. My macbook can also connect to my macpro via airport. But Airport is way to slow so I purchased a firewire cable.
Internet settings are
Share your connection from : Ethernet 1
To computers using Airport; and Firewire
Internet sharing works over airport but not firewire.
On the Macpro I set firewire network up manually
ip 169.254.102.75 255.255.255.0
router 69.123.125.221 (ip address of my ethernet card which has router address 69.123.96.1)
DNS 167.206.254.1
On the macbook firewire is manual
ip address 169.254.102.77 255.255.255.0
router 169.254.102.75 next hop to remote firewrie
dns 167.206.254.1
I also tired to http://69.147.76.15 which is yahoo to rule out dns problems
Any ideas.

My solution was to go ethernet via a router.. No problemo now.

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.

Airport Roaming Network and Internet Sharing

Dear Esteemed Experts (Tesserax et. al):
Thanks to you, I have successfully set up TC and 2 Airport Express N in a roaming network (plugged to Ethernet but using the same name and protocol) using 802.11n (b/g compatible) radio mode. It's working well, except a few blind spots to cover.
If I want to add an old b/g-only Airport Express or Netgear Access Point (WG602) to this roaming network (plugging them into Ethernet outlet), will this slow down the N network?
Also, can I turn on Internet Sharing on my iMac (with N capability) and make it to join the Roaming Netowrk? If so, can I manage it through Airport Utility?
Thanks
Aghoo

If I want to add an old b/g-only Airport Express or Netgear Access Point (WG602) to this roaming network (plugging them into Ethernet outlet), will this slow down the N network?
If it is connected via Ethernet it will have no direct affect on the performance of the 802.11n network.
lso, can I turn on Internet Sharing on my iMac (with N capability) and make it to join the Roaming Netowrk?
Internet sharing has nothing to do with joining a wireless network. If you want your iMac to join the wireless network, just go to the AirPort menu and select the network that you want to join.
If so, can I manage it through Airport Utility?
AirPort Utility is only for managing Apple's base stations.

Help with LTE and Internet Sharing for BUIlD Lumia...

Nokia,
I received the Lumia 920 when I was at BUILD 2 weeks ago. I followed the instructions and the phone mostly works on AT&T. I had a 900 so I assumed my LTE and Internet Sharing plan would easily transfer. Unfortunately that does not seem to be the case. I called AT&T gave them my IMEI number but it's not in their system and is not recognized as a Lumia 920. Because this is not an "AT&T phone" they wouldn't do much more to help. My data connection only ever shows 4G, never LTE as my 900 does and I cannot enable Internet Sharing even though it's on my data plan. I believe this is all controlled by the IMEI number.
Is there anything Nokia can do to help us? I can't imagine I'm the only one having this problem! I'm going to try again to see if I can get the issue escalated and maybe they can force the IMEI number to be recognized as a 920.
Thanks!

Sorry I never came back to update. The fix, as has been noted already, is to make sure AT&T has your IMEI as another 920 or your old 900 so that you get LTE (which appears as "4G"). Then, in the Nokia Access Point config setting (under System Config), make sure LTE2 is selected, then install an additional keyboard (I tried both Spanish and Chinese). This will force an OTA update that seems to enable Internet Sharing. I had to redo it a second time when I updated my Nokia Access Point app last week, but I just re-installed a NEW keyboard and got Internet Sharing back. It hasn't gone away since, contrary to what others have experienced. For more info (and where I found the fix) see this XDA thread: http://forum.xda-developers.com/showthread.php?t=1971997

IChat and Internet Sharing

Ok, so I know this is a "feature" and not a bug. When Internet Sharing is turned on audio and video chat does not work.
It is frustrating that this problem has existed for so long and Apple has even acknowledged it in a tech note(Article: TA25128).
What I don't understand is if this isn't easily fixed why at the very least does ichat not check for this and at least popup a warning that internet sharing is turned on and voice/video chat will not work when it is turned on???

Hi,
I understand the issue.
However I feel an answer would drift off into Speculation about Apple or an Apple Product which is against the Terms of Use of these boards.
There is no work-around.
I can only suggest this
http://www.apple.com/feedback/ichat.html
9:58 PM Tuesday; March 10, 2009

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

How to enable internet sharing on mac book to use my iphone?

how to enable internet sharing on mac book to use my iphone?

Hey PPRoy,
Thanks for the question. The following article may assist in achieving your goal:
OS X Mavericks: Share your Internet connection
http://support.apple.com/kb/PH13855
Thanks,
Matt M.

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.

Internet sharing - slow http.

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