Can't even ping router after MySpace visit

Discussion in 'Tomato Firmware' started by SgtPepperKSU, Feb 6, 2007.

  1. SgtPepperKSU

    SgtPepperKSU Network Guru Member

    I've been having a problem for the last 1-2 weeks (which is when I upgraded to Tomato 1.04, but that may be a coincidence). Occasionally, I'll log on to my computer to get on the internet, and it can't resolve any addresses. And, I can't even ping the router, so there is no way to log on to check what the problem is. I have tried a full NVSRAM wipe a couple of times, but it keeps happening. I've throttled back the wireless power, afraid the unit was overheating, also to no avail. I've been getting real close to trying my luck with other firmwares.
    However, after I got to work this morning, I got a call from my girlfriend saying that it happened again and asking how to fix it. I told her to unplug it and replug it back it as I have been doing to fix it. But, just before she hung up, she gave me the key piece of information. Every time it happens, it's because she has been browsing for a while (~10 minutes). Now, I know MySpace is a peice of crap site, poorly written and resource hogging. I'm just wondering if someone has had the same problem and fixed it (besides blocking myspace!).

    I can see two possible solutions:
    1) MySpace is a crappy site that opens up a bazillion connections, so I need to lower the max number of connections (even though it handles running 12+ torrents at once)
    2) MySpace is a crappy site that only works with internet explorer and I need to set up IE Tab in firefox to always use IE for http:/**

    I have a WRT54G v1.0 with Tomato 1.04 (freshly wiped and reconfigured), and the computer being used is a Windows XP Home SP2 computer using Firefox to access the internet over a wired connection.

    Any ideas would be appreciated so I can fix this when I get home without stumbling through the dark.
  2. CalledToConstruct

    CalledToConstruct LI Guru Member

    I've experienced similar issues with said site... except with three different routers. After someone began using myspace a while back, I began to notice frequence router lock-ups, so I did some packet captures and found THERE machine was causing DoS and TSYN attack warnings on the router. After uninstalling the myspace activex control (which has since been discontinued by myspace) from THERE machine, the issue stopped (for a while).

    Later, another someone on our network, using a new router, began using the site, and similar issues (and router lockups) occurred. This happened once more, before I blocked myspace altogether.

    This behavior has been quite consistent... needless to say, we don't use that site at our house; not even to visit other people's pages.

    Good luck. If you find a specific cause, I'd love to hear about it.

    // Joe
  3. SgtPepperKSU

    SgtPepperKSU Network Guru Member

    Thanks for your reply. If I find a solution, I'll be sure to post it here. For now, I've upgrade my Firefox on that computer from to and completely wiped out the user profile, reinstalling only a couple of extensions. Hopefully, the updated Gecko engine will handle things more gracefully.

    I still don't think visiting a web page should be able to lock up a router. Anybody have any suggestions on what I could do here?

    One thing I forgot to mention is that the first time I had a problem, the WAN port completely stopped working (indicator lights wouldn't even light up) until I did a reset via the button on the back of the router (not even unplugging to power cleared it up). Since then, this particular symptom hasn't shown back up. I just can't communicate with the router at all when it occurs, and unplugging the power clears it right up (until the next time she visits MySpace).

    Thanks in advance,

  4. orangekay

    orangekay LI Guru Member

    Are you trying to say "their" or are you from the deep south?
  5. Roimeister

    Roimeister LI Guru Member

    of the past 15 National Spelling Bee champions, 7 are from the "deep south" as you put it
  6. ifican

    ifican Network Guru Member

    We all make mistakes from time to time, there was no real reason to even bring that up. But enough of that, the only thing that makes any sense is the router ram is filling up with junk and causing the hang. I have a wrv200 that likes to do that just in general. It will run fine for about 6 weeks and then outgoing vpn will stop working and sure enough no cando logging into the router. A reboot always fixes it, no one can say for sure but it appears that ram has choked.
  7. CalledToConstruct

    CalledToConstruct LI Guru Member

    Well, I got a chuckle out of it. :D Teach me to post in a hurry!

    I'm not sure with this router (the WRV200) since we don't use that site. However, each of the previous routers exhibited different behaviors. One would reboot every few minutes; another would freeze, requiring a power cycle.

    Needless to say, pounding a router with a variety of DoS attacks and bad packets (buffer overrun attempts) isn't likely to make it operate better. Have you tried running a packet capture?

    Regarding myspace and any other site with as much traffic; I doubt the site owners, operators or designers built the site with evil intent. However, it is possible that someone, somewhere along the line, has found a way to detect who is accessing and is potentially using that information to cause problems.

    I'm not going to be the one to speculate as to evil intent. ;) Just presenting the information as I have it.

    // Joe
  8. azeari

    azeari LI Guru Member

    well u mentioned running 12 torrents at the same time? i suspect myspace visits might just be a coincidence though.

    Try increasing the max number of connections on the router to 4096, or double that amount and see if it helps. My WRT54GL v1.1 has that set at 8192 and has never died on me :p i'm running tomato 1.02 with 23 days uptime and abt 30+ torrents running through my network from various people
  9. SgtPepperKSU

    SgtPepperKSU Network Guru Member

    I don't run torrents constantly, or even often. I was just making a point that the router seems to handle many simultaneous connections well. The 12 at once was just for a few hours, and there were no problems during that time. When the problems come up, the only traffic on the network is browsing MySpace.
    I'll give that a shot if I experience the problem again. It's been a couple of days now without an issue, but she may just not be doing the same activities on MySpace. Or, the upgraded firefox is handling the malformed traffic better, causing less junk traveling through the router.
    How would I go about doing this?
  10. rcordorica

    rcordorica Network Guru Member

    do you use the Adblock+ extension?

    Install Adblock and then subscribe to Adblock optimized filters. I find that cutting the crud from webpages speeds up web browsing enormously.

    Also, turn on pipelining in firefox if you already haven't. I think it reduces server load if used.

    Myspace is filled with lots of images, external links, videos, music, ads... the list goes on. It could easily overload a router.

    I recommend overclocking your router if you can. It will allow it to process myspace faster and serve more content quicker (without maxing cpu usage). Some good information here, although it may not be for your version.
  11. SgtPepperKSU

    SgtPepperKSU Network Guru Member

    Well, the problem seems to have gone away. Upgrading Firefox to from was enough. She says she is going the same things on MySpace that were locking up the router before, and it working fine. Not exactly an elegant solution, but I'll take it. Thanks for your help and suggestions,

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