Question about NetGear ProSafe FVS338 (FVS338NA) Firewall

9 Answers

FVS338 Firewall Setup: Browser hangs/page not displayed

Dear Experts,

Probably my problem is ISP related but I've been striving lately to have substancial and concrete data to base my arguments on when iterating my complains with my ISP customer support.

Describing you the problem from start:

I'm a new client of my fiber-broadband ISP in Portugal, which provides a connection up to 100Mb/s, substancialy faster than the ADSL products we have here which can go only up to 24Mb/s maximum.

Well, the technicians came to my house and installed an GPON Terminal device (HUAWEI Echolife HG850), from where i could connect my Vista and XP laptops.

All went well for some time. I could access internet flawlessly from my laptops, and network addresses were straightforwardly acquired everytime I resume them from hibertation state, and all laptops shared folders through my home windows workgroup.

Then, at some point I started having intermitent problems. I started loosing IE and Firefox connections in some laptops (aparently randomly, disregarding if it was a Vista or a XP machine). Thought it could be some virus, and bought every decent antivirus out there, Kaspersky, NOD32, BitDefender, FPROT, etc, and concluded it was not from virus. Anyway, formated all laptops, just in case.

The problem remained, after what I realised it could be related with some network instabilities, but could never prove it to my ISP support, as everytime I called them, I was able to put everything to work, just by following their instructions: reboot GPON Terminal, reboot PCs, "et voilá", running again...

Bah... then some hours later, I would find again that some kind of instability led me to loose connections temporarily in some laptops while other were running fine.

Called ISP support and got their answer: "_Hey, we see your GPON terminal ON, it's syncronizing fine"

bah!

So, though to myself... "_what the heck, maybe what I need is a hardware firewall, maybe in brings some order to my network", so went along and bought a FVS338.

Was impressed with the package, nice looking, setup was a breeze, even updated the firmware, configured email logs as I wanted them, quite nice. Connected my laptops to it and immediately detected the network, no need to restart any laptop, a breeze.

Until some moment afterwards

Some hours later I decided to change some configurations in the email logs and could not submit any changes successfully in the firewall setup. Was able to login but was not able to submit the changes, as when i applied the changes the browser hangs and after one minute or so, shows me the "Internet Explorer cannot display the webpage" message.

If I try to access the same firewall setup address http://192.168.1.1 from other laptop, it tells me that I'm already accessing the setup from other IP (makes sense, but in any case, I cannot login into the Firewall setup again, unless I reboot the Firewall.

Still, after login, while applying changes, it hangs/freezes and shows the same error page message

(Running Windows Network Diagnostics from the option "Diagnose Connection Problems" in the browser error page, tells me:
"Windows did not find any problems with this computer's network ")

I ping the firewall with no problems (1ms).

__________________________________
The facts:

1) I know that I've already applied email log configurations successfully using the Firewall setup webpage. Now suddenly, as described, I cannot apply changes anymore.

2) I have strong suspictions that this is somehow related with the lost of connection during the day in some laptops that required me laptop reboot in order to correct it. I think this is ISP related, but I don't have the technical expertise to find evidences which can proove it.

3) Having placed FVS338 Firewall between the Optical Network Terminal and my laptops, and having identified two distinct points in time, when I was able to apply changes to Firewall setup, and now when I no longer can, makes me believe that there is actually some problem with my ISP connection, despite they tell-me at their side that everything is syncronizing perfectly.

My questions:
1) Can you help me regainging control to my firewall setup page in a way that I can apply changes again?
2) Secondly, can you help me assessing my ISP service quality?
3) Ultimately, can you help me bullet proof configuring my XP/Vista Network in a way that network addresses are acquired in a swift manner, just like it was behaving before?

I'll obviously pay your professional work,

Kind Regards,
Joao
Lisbon/Portugal



Meaning, I was able to log in into

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  • 9 more comments 
  • Joao Edwards Jan 22, 2009

    Hello machine83,

    I appreciate your answer but I'm afraid that won't help.

    Obviously I cannot go back in time and make a system restore when everything was working fine

    Please notice that I didn't make any change in my laptops so that I now could not apply changes anymore in the firewall setup.

    Making the long story short: My firewall setup page hangs in the last days. I suspect it's due to some ISP related issue(but they tell-me everything is fine), as I've literally changed nothing in my laptops. only restarted them and firewall also several times after starting having this problem applying changes in the firewall setup page.

    ...

    I'll be able to send any firewall or network longs to any expert who requests them, but please first let me know where should I generate them.

    Looking forward for your answers,
    Joao
    Lisbon/Portugal

  • Joao Edwards Jan 22, 2009

    Windows firewalls are turned off from the start.

    ___________________________
    bunnydawg wrote:

    Turn off your windows firewalls they are conflicting with the router firewall

    Robert

  • Joao Edwards Jan 22, 2009

    Comment: you obviously didn't read my problem description carefully.

    __________________________
    nadakund wrote:

    for first questionhttp://www.fredshack.com/docs/personalfw... click the link for fire wall settings

    for second questionhttp://www.jidaw.com/article6.html

    for third questionhttp://www.microsoft.com/windowsxp/using...

    click the links 1 by 1 and check out the instructions.

  • Joao Edwards Jan 22, 2009

    Comment: I'm not using any wireless device.

    It's all hardwired. Optical Network Terminal connects to Firewall, Firewall connects to Laptops.



    Again: Please notice that I've changed nothing either physically, wither in software, from when everything was working fine. Just restarted laptops and firewall, nothing more.

    An now using the same setup, I can browse the web (through my firewall, as I'm doing to write you this message), but cannot apply changes in the firewall setup page, (which I can login though, but once I apply changes it hangs/freezes and issues browser error message page)





  • Joao Edwards Jan 22, 2009

    Comment: Hello jackiaria

    I think your reply contains words of wisdom, and I apreciate them.
    Still, I really think that there must be a way of applying changes to the firewall setup, without having the browser hanging.

    I emphasize that there was already a problem before I placed the firewall between the optical fiber terminal and the laptops: browser connections were lost withou any apparent reason and required me to restart laptops: all brand new sony vaios with up-to-date network drivers.

    Now with the firewall, and starting having this problem (that I didn't had with it in the first days), and considering I've changed nothing in cables or installed any kind of software that could be causing it, considering I've restarted all devices, and disabled all Windows firewalls, I continue to think that the firewall must be "listening" to something from the ISP that he doesn't get, and although the ISP claims that the Optical fiber terminal is synch'ed correctly, (and actually I see all it's leds OK), there should be a reason on the side of the ISP why I can't apply changes in the firewall setup, as I've modified and nulled all the possible influences that the laptops could bring.


    One thing I'll do today is to take the firewall and connect it to another ISP router, and use a laptop to access the configuration page. If I can apply changes, it should help me conclude that it's ISP/Optical-Fiber-Terminal related, and not any laptops issue.


    Wish I could understand a lot of protocols, packets and stuff, I'd really nail this thing down to its roots.

    Still seeking for a solution...

    ____________________
    jackiaria wrote:

    I always want to blame someone when things don't work when I should be concentrating on solutions!

    As I suspected you are a new customer to your ISP and are therefore unfamiliar to them as is your computer as are you to them.

    Firewalls work both ways your ISP could infect you and you could infect them!

    At one point you must have trusted them or you wouldn't have bought their Internet Service.

    It may be time to call them back and ask them if you need to drop your firewall in order for them to see exactly what the problem is.

    If you can't drop your firewall for some reason I suggest you discuss getting an upgrade to business class or above from your Internet Service Provider.

    I hope this is helpful!

  • Joao Edwards Jan 23, 2009

    (I'm reposting the problem as I now have some more specific data)

    Dear experts.

    My home internet access is made through a ONT (Optical Network Terminal) with the following specs: http://cliente.clix.pt/apoiotecnico/fibr... http://fibra.clix.pt/equipamentos.html (first image from page top)

    Connecting a 8-port Lynksys switch to one of the LAN exits of the ONT, I was able to browse the internet in 4 computers (all hardwired to the switch) running Windows Vista with no software firewall and Windows Firewall disabled.

    The ISP technical team told me that this ONT device acts as a router (no firewall) and that the DHCP addresses are generated by the ISP central.

    So far so good.

    Meanwhile, I bought a NETGEAR FVS338 Firewall and placed it between the ONT and my computers, which connected now directly to the Firewall built-in switch, and I have internet access in all computers, flawlessly. (notice that NETGEAR FVS338 has built-in DHCP)

    Until I decided to configure the Firewall through thehttp://192.168.1.1 setup interface, in order to send email logs

    My difficulties are two-fold

    1) Why can't I suddenly setup the firewall having it connected to the ONT?
    (I didn't change nothing in any device)
    1.1) If I try to configure the Firewall having the cable between the ONT to the Firewall pluged, (i.e., with Internet access in the computers) I'll be able to login into the Firewall setup page, but cannot apply any changes, as the browser will show me a browser typical "was unable to display the webpage" error page.
    I can only surf the web again (and login into the Firewall setup page again) if I reboot the Firewall

    1.2) If I access the Firewall setup page, having first unpluged the Firewall cable from the ONT, then I can apply changes to the Firewall.

    2) I'm also willing to configure the firewall using a GMAIL account to send me periodic email reports regarding the firewall logs, and I need how to configure it in the Firewall setup page.
    I've tried some configurations but I'm not sure whether I'm using GMAIL server's correct data or not.
    Check my current settings at: http://img158.imageshack.us/img158/8058/...

    Summarizing:
    PROBLEM #1: How can I put the FVS338 Firewall setup to work without the need of unpluging cables from the ONT?
    PROBLEM#2: How to configure a GMAIL account for FVS338 Firewall log sending?

    Thanks,
    Joao
    Lisbon/Portugal

  • Joao Edwards Jan 23, 2009

    Dear s_4u_11

    I appreciate your answer but is too generic and does not solve my problems.

    BR
    Joao

    s_4u_11 wrote:

    u have to login in your router there u have firewall setting u can set form there

    conect ur router to pc then type in your http bar 192.168.1.1 its defut ip of your ruter then one sceree come type there user name password the defoult user name is admin & password is admin then go in firewall then configer it

  • Joao Edwards Jan 23, 2009

    Dear s_4u_11

    I appreciate your answer but is too generic and does not solve my problems.

    BR
    Joao

    s_4u_11 wrote:

    u have to login in your router there u have firewall setting u can set form there

    conect ur router to pc then type in your http bar 192.168.1.1 its defut ip of your ruter then one sceree come type there user name password the defoult user name is admin & password is admin then go in firewall then configer it

  • Joao Edwards Jan 23, 2009

    Dear bunnydawg,

    Windows firewalls are turned off

  • Joao Edwards Jan 23, 2009

    jackiaria! LMAO!
    Ok, you're a funny guy but that does not solve my problem.

    Cheers

    Comment posted on Jan 22, 2009
    Your right!
    Your ISP is listening and it probably doesn't get it yet!
    It may be that your system is so sophisticated and powerful that in order for them to get it time must pass.

  • Joao Edwards Jan 23, 2009

    ok, this thread is getting too confusing so I'm gonna place another one, where I describe everything in detail from scratch, removing the ISP guess factor, as I've determined that I can setup the firewall if i unplug the ISP LAN cable from it.

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9 Answers

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  • 679 Answers

Dude, you are dropping the connection, and you want to know why?, If that is it, you may just need to amplify the signal, pick up an inline amp, if you have a meter that shows the connection strength, or a program that monitors the signal, you will solve the problem. It sounds like you just have an intermittent connection. If both machines are loosing connection over a long period of inactivity, and you checked all your settings like not letting them go into hibernation, or turn off your wifi which Wireless, notebooks wiil do unless you turn off that option

Posted on Jan 23, 2009

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U have to login in your router there u have firewall setting u can set form there

conect ur router to pc then type in your http bar 192.168.1.1 its defut ip of your ruter then one sceree come type there user name password the defoult user name is admin & password is admin then go in firewall then configer it

Posted on Jan 23, 2009

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Hi sir,

is your firewall up to date? you said its off , but sometimes Ive noticed that if you dont renew the subscription, the firewall locks up to prevent 

acces to the internet as a way of "protecting your PC".......also use SORROS advice about changing port settings, very important.........

 Verify that the LED status on your DSL modem (Black box) or  fiber-broadband's is according to the following:
power=green
ethernet=green
DSL=green

if blinks green when you are browsing.its not isp problem
In case any of the above is not true, its their problem.....call them

Posted on Jan 22, 2009

  • ABHISHEK.C
    ABHISHEK.C Jan 22, 2009

    if its realy a firewall problem......This will require sniffer software. In Linux, its already have a package in there called ethereal, which is a free sniffing utility. u can download find other products out there for Windows

    It could be something simple -- a windows network having a browser election, or it could be something far more devious, like one computer trying to attack another. 

    If you really want to know what is going on, a sniffer will tell you. BE SURE, however, to have the sniffer hooked up with a hub... not a switch... as switches isolate traffic, and the sniffer could be bypassed.



  • ABHISHEK.C
    ABHISHEK.C Jan 22, 2009

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  • 6,966 Answers

Hi and welcome to FixYa,

May I offer two (2) possible sources of the errors:

  • double DHCP server in one network - pls check if the both the FVS338x and the GPON Terminal device has their DHCP enabled. It may be necessary to turn 1 off. It may also help to manually assign IP addresses;
  • have you tried manually setting up a different DNS address as primary & secondary on all your equipment as well as the PCs? These are of course in addition to the DNS of your ISP. Pls try 208.67.222.222 and 208.67.220.220. If no signioficant change, you can always revert to the original and delete the new DNSes.
Would appreciate if you can postback results. Good luck and thank you for using FixYa.

Posted on Jan 22, 2009

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Hi, Joao,

To start, if your ISP said "_Hey, we see your GPON terminal ON, it's syncronizing fine" , then you are supposed to have connectivity on your side of the fence, with or without firewall.

The firewall is never solving any connectivity problem, then the fact that the computer got disconnected and connected back does not depend directly on the introduction of a firewall switch.

A switch does not assign new IP address, all your switch does is analyzing data in transit, and reparting data to connected devices.

The switch cannot be used to share a single Internet connection with same modem (HUAWEI Echolife HG850).

Also the HUAWEI Echolife HG850 cannot be connected to different computers without getting in troubles.

If you tried connecting different computers to the HUAWEI Echolife, then that is the reason why you keep loosing connetivity.

If that is the problem the introduction of a netgear switch/firewall wont help, even if the switch has 8 ports, this kind of device won't be able to share an internet resource between many computer, as it does not manage DHCPC as a router does (does not assign IPs).

What you need to set in place of the switch, or between switch and Modem is a router.
This must not be a modem router, unless you buy from your ISP.

If problem is not related to use of multiple computers on same modem, with no routing device, then let me know, I am a Cisco engineer and I will be glad to answer you within 24 hours.

Regards.

Posted on Jan 22, 2009

  • Ginko
    Ginko Jan 22, 2009

    Re: "there was already a problem before I placed the firewall between the
    optical fiber terminal and the laptops: browser connections were lost
    withou any apparent reason and required me to restart laptops"

    If you have many devices on same internet resource you need to place a router somewhere in the middle.

    Get a Router that ca work fine, explain the problem to your ISP, and by the device suggested by their customer support, so that they can follow you in step by step configuration by phone.

    A firewall is only to stop intruders, and being a switch can also make network more efficent, but cannot share the Internet connection.


  • Ginko
    Ginko Jan 22, 2009

    If you buy a router be careful to buy a router, and not a modem router.

    The router must connect to the Huawei through an ethernet cable (RJ45 plug).

    I will be also grateful if other experts stop guessing .

    thanks.


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  • 350 Answers

I always want to blame someone when things don't work when I should be concentrating on solutions!

As I suspected you are a new customer to your ISP and are therefore unfamiliar to them as is your computer as are you to them.

Firewalls work both ways your ISP could infect you and you could infect them!

At one point you must have trusted them or you wouldn't have bought their Internet Service.

It may be time to call them back and ask them if you need to drop your firewall in order for them to see exactly what the problem is.

If you can't drop your firewall for some reason I suggest you discuss getting an upgrade to business class or above from your Internet Service Provider.

I hope this is helpful!


Posted on Jan 22, 2009

  • Jack Iaria
    Jack Iaria Jan 22, 2009

    Your right!

    Your ISP is listening and it probably doesn't get it yet!

    It may be that your system is so sophisticated and powerful that in order for them to get it time must pass.

  • Jack Iaria
    Jack Iaria Jan 24, 2009

    Are you getting all Windows Updates?

    I know they have sometimes updated two times a week!

    I know they updated twice somewhere between Jan 16 and Jan 23 2009 for my Windows XP Home Edition!



    Since you can't use 'System Restore' to stop pop-ups and freeze try this:

    1) Open your web browser, preferably, by going to update.microsoft.com
    2) Look for the 'Tools' menu at the top of your browser (If 'Tools' isn't visible do the following:
    a) Place your mouse pointer in a blank area at the top of your browser
    b) Right Click your Mouse until you see a menu drop down
    c) Left Click on 'Menu Bar' and 'Tools will appear at the top of the browser
    3) Left Click on 'Tools'
    4) Left Click on 'Internet Options'
    5) In the 'Internet Options' Box find the Browsing History section and Left Click on 'Delete'
    6) In the Delete Browsing History Box Left Click on 'Delete All' This is important! Do it!
    7) Another Delete Browsing Box will appear Left Click on the Small Box that says 'Also delete files and settings stored by add-ons'

    If you can't get to the 'Tools' menu before it freezes Let Me Know!



    Also, I would do a disk cleanup and de-fragmentation by going to start, programs, accessories, system tools, disk cleanup and disk defragmenter! Both these programs will keep your computer running faster and smoother!



    Hope this is helpful.



    Good Luck!

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  • 221 Answers

For first question http://www.fredshack.com/docs/personalfw.html click the link for fire wall settings

for second question http://www.jidaw.com/article6.html

for third question http://www.microsoft.com/windowsxp/using/helpandsupport/learnmore/systemrestore.mspx

click the links 1 by 1 and check out the instructions.

Posted on Jan 22, 2009

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  • 5,158 Answers

Turn off your windows firewalls they are conflicting with the router firewall

Robert

Posted on Jan 22, 2009

  • Roberta Smith
    Roberta Smith Jan 22, 2009

    one other thing... if you are using a wireless connection to make changes to your router... you need to be hard wired



    Robert

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  • 378 Answers

You haven't run a system restore yet on the time and date that everything was working fine on that computer, so if you haven't tried that yet better do a system restore first and hopefully that will fix the problem

just do a system restore to your pc/laptop follow this instructions click start on the task bar--->then click all programs---->then click asseccories----->then click system tools------>then click system restore option-----> click next in the system restore option there you select the date that is in bold and select that date at when your pc was actually functioning properly it will work properly. thanks.

Posted on Jan 22, 2009

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1 Answer

Websites not displaying while connected


It sounds like your Internet Explorer browser is not configured correctly, or else your are not connecting to the ISP in the right way. First check to see if it is a firewall problem, though. Turn the firewall off and try to connect to the web; if it works, you have a firewall configuration problem which is easily fixed by tweaking the settings.

If this fails, try downloading (at work maybe) a copy of Firefox browser from www.mozilla.com and installing that and see if it can connect and browse the web. If the firewall asks you for permission to let Firefox access the web, say yes. Even with a firewall, Internet Explorer is not very safe, so try Firefox first. If Firefox works, the problem is with Internet Explorer settings (such as proxy).

If this doesn't work, it might be that your router or wireless rig is not connecting properly, or something configuration related.

As a last resort, try going to the start bar and then clicking on RUN and then entering "CMD" and enter. Then type in "ping www.mit.edu" and enter. If it responds "Request timed out", then you have connectivity problems between your machine and the ISP, and it is unlikely to be a browser problem. Try reinstalling whatever software your ISP gave you for connecting, and reviewing all of the network settings. Try all this with the firewall turned off temporarily.

Good luck...

Oct 13, 2007 | HP Compaq Presario R4000 Notebook

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