banned by ip

Bart Silverstrim bsilver at chrononomicon.com
Wed Apr 30 18:12:47 UTC 2008


Derek Broughton wrote:

> 
> Describe your problem, in detail, and we can probably help.  The only hint
> you've given us was "some situations like some websites don't allow more
> than one connection to their website from a single ip address !!! what if i
> have 3 employees using this website ? do i have to buy 3 ips ? (I have 70
> ppl behind one single ip so buying 70 makes it a bit too $$$$)".  While
> there may be situations like that, I work for a government department where
> there are 300+ people accessing the Internet from a single IP, and I've
> never run across a problem.

That's not entirely true...he said something about an on/off switch on 
his modem.  He also mentioned something about "well, its not an actual 
ban, it just stops serving me after i make 3 requests untill 5 minutes 
have passed, then another 3 & so on ..."

Then he said that I've missed a lot, despite my inability to find where 
he actually described his connection (dialup? cable? DSL? satellite??) 
and actual problem (all websites? one in particular?).

Seeing as he arbitrarily termed this a ban when from what he has 
described it isn't, I would wonder if he's also making up the definition 
of a request, since a web page can actually consist of tens or hundreds 
of requests for various elements of a single page to be rendered...

SO...

J. Random Guess would be he has a bandwidth issue.  I advise him to 
stare intently at his modem's activity lights to see if they blink 
randomly or stay on in a nearly solid manner.  Run a ping test, see what 
the returns times are over a period of time.  Also, if he has Windows on 
this network, start scanning for trojans and viruses as they are great 
at not only killing your bandwidth, but on XP it'll kill your TCP 
connections since MS started implementing a throttling scheme that 
manifests itself as seemingly random network connection failures (you'd 
have to look at XP's system or application log for error messages).

Unless he wants to feed us more details on his connection and network 
makeup and describe in detail what site is giving errors, I really doubt 
it's a ban and couldn't speculate further on what he had already described.




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