Do we still need Gi Firewall for 3G/UMTS/HSPA network ?

Thu Apr 9 22:09:05 UTC 2009

Yep verizon does indeed filter all unsolicated inbound traffic to the 
EVDO network. It can be a blessing or a curse. :)

Skywing wrote:
> Verizon filters unsolicited inbound traffic for their EVDO customers in my experience.
> 
> - S
> 
> -----Original Message-----
> From: Roland Dobbins <rdobbins at cisco.com>
> Sent: Thursday, April 09, 2009 09:32
> To: NANOG list <nanog at nanog.org>
> Subject: Re: Do we still need Gi Firewall for 3G/UMTS/HSPA network ?
> 
> 
> On Apr 9, 2009, at 11:48 PM, Lee, Steven (NSG Malaysia) wrote:
> 
>> Please share your thought and thanks in advance :)
> 
> No, IMHO.  Most broadband operators don't insert firewalls inline in
> front of their subscribers, and wireless broadband is no different.
> 
> The infrastructure itself must be protected via iACLs, the various
> vendor-specific control-plane protection mechanisms, and so forth, but
> inserting additional state in the middle of everything doesn't buy
> anything, and introduces additional constraints and concerns.
> 
> -----------------------------------------------------------------------
> Roland Dobbins <rdobbins at cisco.com> // +852.9133.2844 mobile
> 
>    Our dreams are still big; it's just the future that got small.
> 
>                    -- Jason Scott
> 
> 
> 