Changed ISP now can't get to websites / traceroute

Sten Daniel Sørsdal sten.daniel.sorsdal at
Tue Jul 8 08:39:16 PDT 2003

> The thing is,
> now that I've got this new ISP (Zen - 8 static IP's), I find 
> that there
> are sites that I am not able to get (browse) to, most concerning is
> Ever since I've got this new ADSL account, not
> for hell nor high-water can I hit that site, using any browser, using
> any OS (FreeBSD, RH £inux or MS Win2K Pro / XP) at home.

There could be a hundred reasons as to why you dont reach

_Might_ be an MTU problem somewhere upstream, if ICMP is filtered this 
is definitly a bigger problem. Does ping work? If they also filter UDP 
as you mention (fbsd traceroute not working) I'd suggest you talk to 
your ISP and find out exactly what they are filtering.

Are those 8 static IP's public or private? If they start with
192.168.x.x, 10.x.x.x, 172.16.x.x through 172.16.31.x.x
they must be NATed and it is their NAT configuration that blocks the 

Contact the ISP!

- Sten

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