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Mac Forum / General / Networking / December 2005Help, internet sharing is no longer working
I have a G5 power Mac running Tiger. I put a PCI ethernet card in it to provide internet access to two other machines (a PC and G3) through a 4-port ethernet hub. It's been working fine for months and then I made the mistake of turning on the firewall and I could no longer connect to the internet from my other computers. I then turned off the firewall figuring that would make everything better but no, I can no longer connect to the internet from my other computers. It appears that hitting "start" under sharing/internet does not properly configure my second internet card. Any idea where I'm going wrong? It configured fine when I set it up originally several months ago but now I don't know what to do. In article <hal.i.burton-49E41E.16474314122005@comcast.dca.giganews.com>, > I have a G5 power Mac running Tiger. I put a PCI ethernet card in it to > provide internet access to two other machines (a PC and G3) through a [quoted text clipped - 7 lines] > fine when I set it up originally several months ago but now I don't know > what to do. Not sure I fully understand your setup. Seems to me the G5 Powermac came with an Ethernet port already built in, so why did you need to add a PCI ethernet card? The correct setup should have each computer connected independently to the router, with the router connected to the modem. A firewall setting on one of the computers would have no effect on other computers on the network. It will simply affect what access that one computer has, in and out. The first computer hooked up to the router is used to set up the router. Then the other computers are hooked up to the router, using the router manufacturer's instructions. Thereafter, it does not matter if the first computer is running or even hooked up, the other computers will be able to get on the internet just fine. The Router should have its own firewall, which can be reconfigured by any of the computers hooked up to it. Bill Collins  SignatureFor email, remove invalid. > In article > <hal.i.burton-49E41E.16474314122005@comcast.dca.giganews.com>, [quoted text clipped - 12 lines] > > Not sure I fully understand your setup. My cable modem feeds my built-in ethernet. The PCI ethernet card feeds a 4 port ethernet hub which connects to my PC and old G3. > Seems to me the G5 Powermac came with an Ethernet port already built in, > so why did you need to add a PCI ethernet card? That feeds a hub which connects to my other computers. This was the preferred configuration of some years ago. Only my G5 is connected to the internet, everything else is fed from the second ethernet card in the G5. The G5 acts as the router. > The correct setup should have each computer connected independently to > the router, with the router connected to the modem. Got no router, I'm using the G5 as the router as described in the system preferences/ internet and network/ sharing/ sharing your internet connection help file. "If your computer is connected to the Internet, you can share its connection with other computers on your local network. For example, if your computer is connected to the Internet using a DSL modem and has an AirPort Card installed, you can share the DSL connection with other AirPort-equipped computers. On Windows computers, sharing your Internet connection is sometimes referred to as a "network bridge," or 'bridging your network." 1. Open System Preferences, click Sharing, and then click Internet. 2. Choose a network port from the "Share your connection from" pop-up menu. 3. Select "Built-in Ethernet" or AirPort depending on which computers will share your Internet connection. 4. In order to share your Internet connection and allow computers connected to your Internet connection to browse the web, you also need to turn on Personal Web Sharing on the Services pane of Sharing preferences." What I've just discovered is that this sharing works as long as I (administrator) am not logged into the gateway G5. If any non-administrators are logged into the G5, the other computers can connect to the internet just fine. It's only when I'm logged into the G5 that the other computers can't connect, very confusing. Any help appreciated. > That feeds a hub which connects to my other computers. This was the > preferred configuration of some years ago. there's your problem: it's not anymore! scrap your existing configuration and get a router. you can get one with a wifi antenna for 40 bucks. without the wifi, it would probably be so cheap you might well find one in a box of crackerjacks. it will work far better than your existing setup, even if you should manage to get that fixed. > > That feeds a hub which connects to my other computers. This was the > > preferred configuration of some years ago. > > there's your problem: it's not anymore! Thanks for your help, which was totally useless. Did you even bother to read my question? In article <hal.i.burton-A4CBA7.23393716122005@comcast.dca.giganews.com>, > > > That feeds a hub which connects to my other computers. This was the > > > preferred configuration of some years ago. [quoted text clipped - 3 lines] > Thanks for your help, which was totally useless. Did you even bother to > read my question? I really think you should get a separate hardware router, hook that to the modem, and hook your various computers to the router. That will give you a reliable setup that will free your G5 from having to serve as a router, and will provide access to the internet by any of the computers regardless of what the others are doing. Routers are not expensive, in fact they are pretty cheap nowadays. Bill Collins SignatureFor email, remove invalid. > I really think you should get a separate hardware router, hook that to > the modem, and hook your various computers to the router. That will give > you a reliable setup that will free your G5 from having to serve as a > router, and will provide access to the internet by any of the computers > regardless of what the others are doing. Routers are not expensive, in > fact they are pretty cheap nowadays. yes, exactly. i might have said that myself, had i not plonked the original poster for that rude reply of his. > > I really think you should get a separate hardware router, hook that to > > the modem, and hook your various computers to the router. That will give [quoted text clipped - 5 lines] > yes, exactly. i might have said that myself, had i not plonked the original > poster for that rude reply of his. Rude replies are made to fools who think their non-responses are useful. > In article > <hal.i.burton-A4CBA7.23393716122005@comcast.dca.giganews.com>, [quoted text clipped - 13 lines] > regardless of what the others are doing. Routers are not expensive, in > fact they are pretty cheap nowadays. All true, but since Tiger is supposed to be able to make my G5 act as a router, why doesn't it? That's my question, why can't anyone answer it? |
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