I have a Linksys Wireless router connecting my computers wirelessly to the internet through Rogers cable. Very recently my Ubuntu 7.10 laptop simply stopped being able to surf the net.
It could successfully connect to machines on the LAN, so I knew my wireless components were all working. It had a valid internal IP address...so I ran the usual tests - pinging, tracerouting etc. Pinging www.google.com timed out. Tracepath interestingly reached only part of the way - timing out after that.
Windows laptops, other machines on the wired network continued to work fine.
Following posts on the net:
- I removed IPV6 from the laptop
- Downgraded to Ubuntu 6
- Updated my router to do MAC address cloning
...All to no avail. For some reason this computer would just not see anything outside the LAN.
Eventually the only way I could get the laptop to connect to the outside world was by setting it to connect through a proxy! So at least I have a temporary work around. But definitely its not a satisfactory one, least of all because I still do not know why this happened in the first place!!
Incidentally I used the RabbIT proxy server, a pure Java based one for this and its done a good job so far. You need a fairly adept implementation to enable things like AJAX based sites to work through your proxy and still keep things simple...
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