Do we still need Gi Firewall for 3G/UMTS/HSPA network ?
Eugeniu Patrascu
eugen at imacandi.net
Fri Apr 10 16:27:19 UTC 2009
Roland Dobbins wrote:
>
> 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.
Some operators put firewalls to NAT their subscribers into smaller IP
address pools (I have put some for a particular one).
>
> 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.
>
Yes.
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