[c-nsp] ASA Query

Dave Brockman dave at brockmans.com
Wed Mar 20 17:55:49 EDT 2013


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On 3/20/2013 5:52 PM, Ryan West wrote:
> On Wed, Mar 20, 2013 at 17:49:48, Dave Brockman wrote:
>> Subject: Re: [c-nsp] ASA Query
>> 
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>> On 3/20/2013 5:34 PM, Ryan West wrote:
>>> On Wed, Mar 20, 2013 at 17:08:48, Dave Brockman wrote:
>>>> Cc: cisco-nsp at puck.nether.net Subject: Re: [c-nsp] ASA Query
>>>> 
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>>>> On 3/20/2013 11:05 AM, Muhammad Jawwad Paracha wrote:
>>>>> Hello
>>>>> 
>>>>> Three zones/interface are used on ASA
>>>>> 
>>>>> Internet - security level 0 Inside - security level 100
>>>>> with ipsec configured for vpn clients DMZ - security level
>>>>> 100
>>>>> 
>>>>> Traffic from Inside to Internet works fine without ACL.
>>>>> 
>>>>> Traffic from DMZ to Internet works when ACL is applied.
>>>>> 
>>>>> As per my knowledge traffic from higher security zone to
>>>>> lower zone is allowed by default.
>>>>> 
>>>>> Please suggest what could be the reason here.
>>>> 
>>>> Which ASA platform specifically?  A 5505 w/ a base license
>>>> only has three VLANs, one of which is restricted to passing
>>>> traffic to only one of the two remaining VLANs.  Based on
>>>> your question, I assume you are having difficulties passing
>>>> traffic from inside to DMZ, could you post a sanitized
>>>> configuration?
>>>> 
>>> 
>>> Sounds like OP is missing 'same-security permit
>>> inter-interface'
>>> 
>>> -ryan
>> 
>> That would not apply inside to DMZ, they are not the same
>> security level, no?
>> 
> 
> It's difficult to read, but I show 100 - inside, 0 - outside, 100 -
> dmz.
> 
> -ryan
> 

Now that you pointed that out, and I read what was in the email
instead of what my brain wanted me to read, with that interpretation,
yes, I believe you are correct :)

And now to find caffeine.... I am apparently running low :)

Regards,

dtb
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