[ILUG] Bizarre networking problem

[Glen Gray]

I think the appropriate answer is "Bloody Customers"
--
Glen Gray
slaine at slaine.org




On 29 Feb 2008, at 15:21, Niall O Broin wrote:

> On 29 Feb 2008, at 15:22, paul at clubi.ie wrote:
>
>> On Fri, 29 Feb 2008, Niall O Broin wrote:
>>
>>> s8A -> s8B        TCP D=22 S=32858 Syn Seq=3908249784 Len=0  
>>> Win=24820 Options=<nop,nop,sackOK,mss 1460>
>>
>>> s8A -> s8B        TCP D=22 S=32858 Syn Seq=3908249784 Len=0  
>>> Win=24820 Options=<mss 1460,sack 16843778-2895157918|>
>>
>> Wow, it's mangled the options.
>>
>> I'm guessing this router is also doing firewalling and/or NAT..
>
> The router does NAT, though it is turned off for these connections.  
> It also has firewall functionality, which is explained on page 248  
> of the manual, apparently - I can't tell, as the manual has < 150  
> pages. Spelunking around the nasty Windows configuration tool, I  
> don't find it named as such - there is a packet filtering option,  
> but there are none defined.
>
> I'm 99.99% sure that this nasty nearly 10 year old ISDN router is  
> the source of my woes. Why don't you replace it with a VPN, I hear  
> you say? Bloody good question, I say, and I wish I knew the answer  
> to it.
>
>
> Niall
>
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