[AusNOG] Are there any other providers who use M2 as an upstream having issues with SSL based websites?

Cody Appleby kizmet at kizmet.id.au
Fri Mar 12 16:00:10 EST 2010


Confirmed. Very annoying. Customers unable to do payroll!!!

On 12/03/2010, at 15:03, "Craig Meyers" <Craig.Meyers at citec.com.au>  
wrote:

> The easy solution to fix multiple connections for MTU issues, is to  
> add "ip tcp adjust-mss blah" if cisco kit on a 'central-ish' device,  
> where blah is somewhere between 536 and 1460 depnding on the solar  
> flare count of the day.
>
> What it does is that on SYN/SYN-ACK exchange it modifies the MSS  
> option in the TCP packet to force both ends of the conversation to  
> use lower size packets. Thereby negating the deal to modify MTU on  
> kit you may/may not manage inbetween.
>
> I know it's a hack, but hey if desperate...
>
> -- Craig Meyers
>
>
>
> From: ausnog-bounces at lists.ausnog.net [mailto:ausnog- 
> bounces at lists.ausnog.net] On Behalf Of Justin Twiss
> Sent: Tuesday, 9 March 2010 1:10 PM
> To: ausnog at lists.ausnog.net
> Subject: [AusNOG] Are there any other providers who use M2 as an  
> upstream having issues with SSL based websites?
>
>
>
> If so, please contact me off-list – As far as I’m concerned,  
> M2’s response of ‘get your customers to change the MTU on their  
> routers down to 1400’ really isn’t acceptable and this apparently  
> has been on-going since Thursday.  (SSL based websites in particular 
> , banking websites – we’ve had reports of clients unable to  
> access/successfully log in to almost every major bank in Australia s 
> o far)
>
>
>
>
>
> (Just glad they’re not our only upstream provider!)
>
>
>
>
>
>
>
>
>
> Justin Twiss
> Hosting Manager
>
> <image001.gif>
>
> Bekkers, 884 Beaufort Street, Inglewood, WA, 6052
> Telephone: +618 9422 6777
> Mobile:  0405 555 044
> Facsimile: +618 9272 6625
> Justin.Twiss at bekkers.com.au | www.bekkers.com.au
>
>
>
> _______________________________________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/mailman/listinfo/ausnog
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ausnog.net/pipermail/ausnog/attachments/20100312/b8368f2f/attachment.html>


More information about the AusNOG mailing list