On 11 Feb 21:16, mbm wrote:
On Wed, 11 Feb 2009 10:03:53 +0000 Chris G cl@isbd.net allegedly wrote:
I do have two ADSL routers with my Draytek Vigor 2820n doing the bandwidth sharing with the 'secondary' one which is a BT Business Hub (2Wire router). I'm wondering if there is some subtle problem when my connection changes from one router (and thus IP address) to the other. I already have various rules to force SMTP connections and HTTPS connections to use only one router. Maybe the sites in question are doing something which requires the connection to appear to come from the same IP all the time.
Some websites which attempt to maintain state with session ids will see a change of IP address within a session as a potential hijack and will then drop the session - but you should get an error message along the lines of "your session could not be verified".
That really shouldn't happen, with the likes of AOL throwing people through transparent proxies, and thus subsequent requests (certainly having the potential of) coming from different IPs. Most session ids are just cookies, and so shouldn't have that issue at all, they'll still be supplied to the host site.
Even if that were the case, I wouldn't expect the site to hang, just throw back a page saying "sod off" or similar.
Cheers,