[Serusers] NAT vs. NoNat authentication

[Bart Van Daal]

Great!!

this actually worked. I've changed the port from 5060 to 5070 and now
authorization runs fine. Could anyone give a logical explanation for this?

thanks again Mike,
Bart 

> -----Original Message-----
> From: Mike Tkachuk [mailto:mike at yes.net.ua] 
> Sent: maandag 19 juli 2004 13:48
> To: Bart Van Daal
> Subject: Re[4]: [Serusers] NAT vs. NoNat authentication
> 
> 
> 
> Hello Bart,
> 
> Monday, July 19, 2004, 2:27:21 PM, you wrote:
> 
> 
> BVD> Hi Mike,
> 
> BVD> thanks for the answer and the tip..
> BVD> I can see the sipserver sending multiple '401' to the 
> router, so I 
> BVD> guess the router just drops these packets because it 
> doesn't know 
> BVD> what to do with them? I now have put the UA in dmz but 
> that still 
> BVD> doesn't solve the problem. I'll look further.
> 
> >> -----Original Message-----
> >> From: Mike Tkachuk [mailto:mike at yes.net.ua]
> >> Sent: maandag 19 juli 2004 11:56
> >> To: Bart Van Daal
> >> Subject: Re[2]: [Serusers] NAT vs. NoNat authentication
> >> 
> >> 
> >> 
> >> Hello Bart,
> >> 
> >> Looks like UA not receiving 401 unauthorized message from 
> SER, that's 
> >> why it not resend REGISTER message with calculated digest.
> >> Maybe you have some troubles with NAT on 213.219.137.148?
> >> 
> >> Hint: use ngrep with -W byline option (eg: ngrep -W byline 
> port 5060 
> >> )
> >> 
> >> --
> >> Best regards,
> >> 
> >> ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,.
> >> Mike Tkachuk,     ph:380-3433-47067
> >> YES ISP,          fx:380-3433-47067
> >> Valova 17,        mike|a|yes.net.ua  
> >> Kolomyia,         www.yes.net.ua
> >> Ukraine 78200     FWD: 66518 
> >> 
> >>             19.07.2004 
> >>           ICQ# 57698805
> >>    MSN: mike_tkachuk|a|hotmail.com
> >> ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,.
> >> 
> 
> One thing... some routers think that they are very smart :), 
> so try to change port on SER from 5060 to some other ( like: 
> port=5070 ) most of routers can be fooled with it.
> 
> --
> Best regards,
> 
> ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,.
> Mike Tkachuk,     ph:380-3433-47067
> YES ISP,          fx:380-3433-47067
> Valova 17,        mike|a|yes.net.ua  
> Kolomyia,         www.yes.net.ua
> Ukraine 78200     FWD: 66518 
> 
>             19.07.2004 
>           ICQ# 57698805
>    MSN: mike_tkachuk|a|hotmail.com
> ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,.
>