Network confusion... Safari - NO CONNECTION, Firefox - YES?

For the past few days my iBook (G4) has been behaving strangely. Safari keeps saying it "can't connect to server" as if I'm offline, but if I try Firefox, everything works. This behavior occurred when I was connected wirelessly (connected to a new AEBS), so yesterday I tried a direct ethernet connection. For a while Safari loaded correctly, then the old problem returned when I tried to reconnect wirelessly.
Currently, no matter how I connect, Firefox works, and Entourage works (but will not load pictures in html emails). Safari does not, and when I try to run Software Update, it tells me to run Network Diagnostics (which in turn tells me ny network appears to be fine).
Please HELP? Any ideas?
This morning I did an Archive and Install of my system (Mac OS 10.4.9), thinking that the most recent Security Update may have been the culprit, but the problems persist...
iBook G4 1Ghz Mac OS X (10.4.9)

Safari uses System/User prefs for some things that Firefox uses it's own settings for, so we sorta know where the problem is.
Not sure this will help, but it seems it will since an Archive and Install replaces most System stuff, try trashing...
/Users/nnnn/Library/Preferences... the whole Prefs folder there.
/Library/Preferences/SystemConfiguration... the whole SysConfig folder.
Reboot... of course you dont have to trash them, you can just move them to the desktop to drag back if it doesn't work.
Might also try putting these numbers in Network>TCP/IP>DNS Servers:...
208.67.222.222
208.67.220.220

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Mac connected to PC network but Safari cannot connect internet

Hello there,
I using a PC (windows XP) to connect to internet Via a wireless modem router (Belkin54g).
I have successfuly connected my Mac (G5 Dual 2Ghz)to the wireless router Via an an airport Xtreme card in the Mac. the airport card can find the network but I cannot get internet conection with safari!!! what settings should I change or what procedure should I follow to sort this out?? Thanks for your help, it is much appreciated...
regards,
Nimo

You could try the Network named System Preference control pane to see
if you can change the settings your machine has for wireless and other
network access to facilitate making the proper connection to your wi-fi base.
Depending on what kind of network you have available, your Mac should
just see it; but there are rare occurrences where some brands of base
station act oddly with AirPort cards. Usually they just work, once the
settings are configured correctly for your setup.
Do you see an active Airport icon in the menubar? That's a start if you do;
but that won't mean anything if your Network panel settings have Airport
ignored in favor of, say Ethernet or maybe a dialup modem, etc. Or if
you don't have the setting to Automatic for Airport; and that's why a view
into those Network panel settings and options is important.
Many users near an open wireless frequency find the Airport just works
when they first run a new Macintosh. My brother was getting all of his
neighbor's listings in his wireless Macs; some finally set up WPA or other
network protections. He fine-tuned his for that neighborhood so it would
be first in his own access to the internet; and he sees it by name in the
AirPort menubar tool and in the Network panel settings; like I have mine.
There are several details involved here, none should be difficult. Best of
luck in your quest; and if this was a bit helpful, you are welcome.
 iBookG4 1.33 12" 1.5GB RAM (10.4.7)  iMacG4 1.25 17" 1GB RAM Mac OS X (10.3.9) & two -  AirPort Extreme Base Station(s) on DSL w/modem & Hawking ext antenna

Safari, iTunes and Software update can't connect, firefox can

Hi all!
Since upgrading to Leopard I've been unable to get my macbook to connect using Safari, Software Update or iTunes. I get unknown error messages from iTunes and Software Update and a message that the server can't be found or times out from safari.
Strangely Firefox works perfectly and the other Macs on my network (some 10.4, some 10.5) are fine.
I have tried checking the proxy settings and creating an new user account but both times the problem persists.
The only thing I can think it could be is that someone configured proxy settings through firefox a while ago (pre 10.5) when they used it at their office. could that affect safari etc?
All help gratefully received.
Adam

Hi. Sorry this will not help, more of an observation. I posted a while back that I was having much the same problem at work when connecting through a proxy. Any Apple app that needs an internet connection did not work, ie Safari, Widgets, Software Update etc. But iChat works, as does Mail although not the RSS function. Firefox on the other hand works fine. I am absolutely certain my setting are correct and when I revert to using my 10.4.10 boot disk that all works fine. I think Apple has some how changed the way user info and password is sent when making a net connection through a proxy and now with 10.5 it does not work.
I also spoke with a mate yesterday he has just upgraded to 10.4.11 which means he now has Safari 3. He now is also experiencing the same problems I have with 10.5 and proxy connections.

Unable to connect to network with Safari and Software Update

A user I support has encountered a problem with networking. He is unable to connect to the network with Safari and Software Update, but IS able to connect and surf with Foxfire and some other programs. Another unusual symptom is that he actually can connect to one web site (which is in his Bookmarks Bar) with Safari, but can't connect to anything else. He's also unable to navigate off of that one site he connects to. When he runs Network Diagnostics, he gets all green lights (no problems). He has fixed permissions, deleted Safari Cache and .plist, rebooted - not fixed yet. He's using 10.4.8 on a PowerPC G4. Any ideas appreciated (this is the wierdest I've seen in a while!).

Here's what he did. After reading your post, he created another location in his network preferences, entering EXACTLY the same info that was in his old location (he even used the old DNS addresses), except using a new location name. Then he chose the new location and "everything worked". It's one of life's great mysteries. Thanks for your help - it is appreciated.

Can't open safari, chrome, or firefox but itunes connects fine?

I can't open any internet browsers (Safari, Chrome, or Firefox), they all say cannot connect. Chrome was working fine a few weeks ago but now nothing works. I'm using a wifi connection and it must be working as I can connect to itunes fine. Please help.

Try having a look into the CONSOLE and see if you can find hints of what happens when starting your browsers.
Choose system.log as shown in screenshot.

I am connected to a Wi Fi network but Safari isn't finding it...

I have connected to several different wi-fi networks, but Safari acts as thought I am not connected. Settings says that I am connected.

You may not really be connected to your WiFi network.
Your router may not have given your iPad a valid IP address. Go to Settings > Wifi > your network name and touch the ">" to the right to see the network details. If the IP address starts with 169 or is blank then your router didn't provide an IP address and you won't be able to access the Internet.
Sometimes the fix can be as simple as restarting your router (remove power for 30 seconds and restart). Next, reset network settings on your iPad (Settings > General > Reset > Reset network settings) and then attempt to connect. In other cases it might be necessary to update the router's firmware with the latest from the manufacturer's support web pages.
If you need more help please give more details on your network, i.e., your router make, model and version, the wifi security being used (WEP, WPA, WPA2), etc.

Safari cant connect to a server.

I have Safari Version 7.0.2 (9537.74.9) Running on a powerbook with   10.9.2
message. when I open google, facebook or twitter... "Safari cant connect to server."
and firefox .. but I can open almost any other website.
This is the message I get in Firefox.
Unable to connect
Firefox can't establish a connection to the server at www.google.com.
    The site could be temporarily unavailable or too busy. Try again in a few moments.
    If you are unable to load any pages, check your computer's network connection.
    If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web.
Sometimes when I restart the computer it works for a few minutes then it gets blocked again...
I have tried restarding the browsers, deleting the cookies and a few other stuff but nothing seems to be working..
This is a new Mac ANd I havent installed many programms in it.

You, or someone using your computer, changed the network settings in an attempt to bypass copyright restrictions on Netflix. The illegal DNS server you're using should never have been trusted and now doesn't work.
Delete all the DNS servers by selecting them and clicking the minus-sign button at the bottom of the list. You may have to unlock the settings first by clicking the padlock icon in the lower left corner of the preference pane and entering your administrator login password when prompted.
If the server addresses are grayed out and can't be deleted, even with the preference pane unlocked, then the change was made on your router. Refer to its documentation to find out how to reverse the change. The router should get its DNS settings automatically from the ISP.
Click OK, then Apply. The DNS server list should be repopulated automatically with the address of your router, or the addresses of the DNS servers provided by your ISP. If that doesn't happen, open the TCP/IP tab of the preferences and click Renew DHCP Lease. If you're not using DHCP, manually enter the DNS server addresses you got from your ISP, or else use these temporarily:
8.8.8.8
8.8.4.4

Connected to network, but no internet connection

Just returned from a one week trip to CA with my macBook. Prior to the trip everything regarding a connection to the internet worked fine... I have an Airport Extreme network set up at home. For the first five days of my trip, everything worked fine as well. Connected to several different open networks (offered by hotels and Bed & Breakfasts (B&Bs). Then suddenly I could not get an internet connection with any browser (Safari, Firefox, Flock). At one particular B&B it worked flawlessly one evening, then the next morning at the same B&B, no internet. Yet I was connected OK to the open network. Moved on to another city, a different hotel and network, same problem. I was connected to the network, but no internet connection. In Safari, the blue bar would get as far as the http:, then it would hang there. Now having returned home to my Airport Extreme network, everything seems to be working fine again in all browsers. Any idea what I may have encountered for those two days? I have another trip planned in the near future, and would hate to have this happen again.

I'm sorry but I'm not posting to answer your problem but just to say that I have a very similar issue when connected to my home network through either wireless or ethernet- connection is erratic and pages hang despite showing an excellent signal strength. I have a divided drive and have windows installed on my Macbook. I have no problems on the windows side. My friends who have ipods and iphones have similar problems connecting to my home network. I have no problems connecting wirelessly to any other network that I've tried. This is a real shame as I want to use Mac software but end up in Windows all the time. Any light anyone can shed on this would be very welcome.

After update to OS X Mavericks Safari, Chrome and Firefox stop to reproduce videos

After updagre the OS to 10.9 Mavericks, all the browser that I have installed on it(Safari, Chrome and Firefox), stop to reproduce videos.

I am trying other solutions today.
It can not change to another wifi network without switch off the wifi.
That's mean I have switch off and re-open the wifi signal every time when it show like this capture.
I waiting for more than 5 mins and it will search another wifi network automatically but it still "No internet connect".
My MacBook Pro is no any WiFi issues.

Log in to a Public Network with Safari

I have tried to log in to a Hotel airport network with Safari and get the 'Site doesn't exist" page and it will not go further. I have a strong signal and the correct IP numbers. On a whim I switched to Firefox and Bingo there was the login page. I presently have both browsers open and they both work now that I'm logged in. Can anyone explain this behavior to me.

Look at iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
Done - it does not address my issue
Also try this - Turn Off your iPad. Then turn Off the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
Done and done; does not resolve the issue.
To clarify: I am trying to log into an existing home WiFi network. Signal comes in to a (DSL) modem/router ["ZyXEL P-600 series" 802.11 b/g}. This is administered via a Windows PC (running a Czech localized version) directly by Ethernet cabling.
There are 2 password protected networks "on" this account.
17" MacBook Pro sees both channels, and can log into either. (and auto-connected as a remembered Network from a previous visit, to one channel)
15" Macbook Pro sees both channels, and can log into either.
BOTH of our IPad 2's see both channels. Both of the iPad 2's present a password entry window when selecting either channel. I enter the exact same password that I entered into the laptop(s), for the appropriate channel.
"Unable to connect to [channel name]" is the consistent response.
Again, the iPads see the network options, and I have typed in the correct passwords using the US English and the Czech QWERTY keyboard options, and the iPads will NOT connect, whereas the laptops work perfectly with the same Network channel passwords.
I would understand an alphanumeric password being a potential snag, given the different key mappings, but the main account is a simple 5 (five) digit numeric password.

Safari, chrome and firefox cannot verify identity of secure websites after upgrading to 10.7.4, apple engineers have tried multiple things including operating system with no success

safari, chrome and firefox cannot verify identity of secure websites after upgrading to 10.7.4, apple engineers have tried multiple things including operating system with no success

There are several threads about this problem, most notably one called 'Invalid Certificates' is over 4 pages long. Many of us have experienced difficulty connecting to banking and other secure sites. On my Macbook Pro, I cannot get to my banking site with any browser, however I can get there on my iMac using Safari, but get the 'Invalid Certificate' notice with FF and Chrome. The problem started after the installation of 10.7.4. I have sent a message to Apple--they will be dismayed to hear that I cannot complete an order at their online store!

I installed a new wifi router and airport will not connect automatically to it. It sees the network but will not connect unless I tell it to.

I installed a new wifi router and airport will not connect automatically to it. It sees the network but will not connect unless I tell it to. I can't find anywhere in the utility or network preferences that will allow me to choose this router as the default. How do I fix this? BTW I'm using Lion.

Are there any previous networks that you have used that have the same password as Molly? YES
Using System Preferences > Network > AirPort Advanced again, you need to remove any listings of previous networks that used the same password as Molly. Click the name of the network and click the - (minus) button at the bottom of the list of connections.
Also delete any other networks (except Molly at the top of the list) that might have used the same name...Molly in the past.
Delete any other networks that you no longer need so that your Mac will search for networks more quickly
Click OK, then click Apply
Open KeyChain Access and look for a listing of any old networks that you no longer need. Click to highlight the name of the network, then click the Delete Key on your computer.
Then look for any old networks that might have used the name Molly in the past and do the same for them.
Then look for any old networks that might have used the same password as the password for your "new" Molly network and delete them in the same way
Click the KeyChain Access menu just next to the Apple icon in the upper left corner of the computer screen
and then click KeyChain First Aid
Enter the main administrator password for the Mac you are using and highlight the Repair button. Then click Start. You will see a message that repairs have been completed
Quit Keychain Access
Power down the entire network...all devices...order is not important
Power up the modem first, then your main router, the other devices one at a time
Log on to Molly and see if the Mac remembers it after a few tries. If not, I'm afraid that you will need to change the name of the wireless network and password on your router due to corruption issues on the Mac. You have done everything possible without re-installing the complete operating system.

Can connect to my house network, but can't connect to the Internet (other computers can)

Hello,
I'm experiencing a strange problem. Since I started my Mac Pro (cold start) some hours ago, I've lost the hability to connect to the Internet (Safari and Mail say I'm not connected). However, I can connect to 192.168.2.1 (my router) and see its webpage (it says it's connected to the Internet). If I use another computer on the same network, it can also connect to the Internet.
Weirder, if I go back to my Mac Pro with "no internet" and launch Parallels Desktop, then I can use WinXP to browse the Internet; I'm writing this post on my WinXP virtual machine.
This leads me to think there's a problem with how my Mac OS handles the networking. I have checked the Console, but the only related string I found is this:
16.04.13 22:03:25
kernel
SIOCPROTOATTACH_IN6: en2 error=17
As expected, Google doesn't reveal anything about that (and I'm connected with the first ethernet port). I've tried to restart my Mac, but the problem persists (exact same symptoms).
Could it be a DNS cache issue?
I don't see, other than a DNS problem, why I can't connect to the Internet with my Mac OS while I can on my virtual machines. If it was a driver problem, I wouldn't be able to connect to my router. If it's a DNS issue, where are the DNS caches located in order to clear them (I'd trash the folder)?
I could also reinstall the OS (waste of time, btw), but I'd really like to understand the problem, not just clear it and forget about it.
Or better than guesses, anyone already experienced this?
Any help welcome.

If it's a DNS issue, where are the DNS caches located in order to clear them (I'd trash the folder)
No DNS caches, it looks up the alphabetic and then uses the numberic from then on.
http://17.149.160.49
is Apple, Inc main US web site. It that works, and the alphabetic does not, you have a DNS probelm.

Network.http.max-persistent-connections-per-server keeps reverting to user set 4

I didn't used to have this problem as far as I'm aware, but as of recently, I've noticed that if I try to download more than 4 of one thing at a time from the same site, it would fail. For instance, if I have up 5 web pages of streaming content, only 4 will load, the other 5th one will do nothing until I finish one of the others. Upon looking up some information on this, I saw that the network.http.max-persistent-connections-per-server is set at "user set = 4", and if I change that number to anything else, it corresponds. If I click to 'reset' the number, it goes to the default of 6 - which is still less than what it used to be. I used to not even have a limit on this as far as I'm aware, or if I did, it was well beyond 10 and that wasn't a product of me manipulating it.
What I'm asking is this:
1) How do I make this so it permanently switches to a higher number? Every time I reset it to 6 or I manually change the number to something higher, once I close it, those settings go back to 4.
2) Why is it reverting and not staying the way I change it?
3) What's the purpose of this and why is it just recently doing it when I haven't put any new add-ons or made any other refinements to Firefox that I'm aware of?
Any help would be appreciated

Two possible causes for it resetting to 4 that I can think of.
# You have an add-on handing that pref and that is resetting it to 4 when Firefox is restarted.
# That pref is set via user.js and that causes it to go to that value as Firefox starts.
http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+themes <br />
http://kb.mozillazine.org/User.js_file

Links working in Safari but not Firefox

Hi friends,
I'm hoping someone can help this confused amateur (aka me) get my website to work correctly. The site works fine in Safari -- but in Firefox, the internal links do not work (external links are OK). I suspect it has something to do with defining the pathways within the directory, but beyond that I'm lost.
Does anyone have a suggestion? I'm pretty sure it's a simple fix for someone who know what they're doing
Here's the site: www.thefourglobaltruths.com
The problematic links are under the banner, specifically "about the author," "links," "schedule," and "interviews."
BTW, I'm using a Macbook Pro, 10.6.8, and CS5...if any of that matters.
Many thanks in advance!

Is this website around 10+ years old?
It contains ancient, invalid code long past due for an update. It's a bit of a time machine.
Have you heard of validating code? It's a quick and easy method of checking if your code can be read properly by a browser.
If you put the address of the author page into http://validator.w3.org/
You will get 26 errors
http://validator.w3.org/check?uri=http%3A%2F%2Fwww.thefourglobaltruths.com%2Fauthor.html&c harset=%28detect+automatically%29&doctype=Inline&group=0
Two of the crucial errors preventing this page from appearing are (in Code View in DW)
Line 8
<title>The Four Global Truths: About the Author
should read
<title>The Four Global Truths: About the Author</title>
and
Line 19-21
</style>
</head>
</head>
<body>
should read
</style>
</head>
<body>

Network confusion... Safari - NO CONNECTION, Firefox - YES?

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