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4.0

Cisco Pix 506 allow inbound www, pop3 and imap from specific hosts

Asked by Makr_Watson27 in Network Software Firewalls, Enterprise Firewalls

Tags: pix, cisco, 506, imap

I don't know much about Cisco IOS and can barrely find my way around, so please be patient and detailed with answers.

I have a Cisco Pix 506e
I need to enable inbound web, pop3 and imap to our Exchange server.  But only from certain 2 or 3 fixed IP addresses.
As there is SMTP already configured for inbound access I thought this would be easy so I tried adding the following ACL just for the web side of things:

access-list outside_acl permit tcp host sip.sip.sip.sip host dip.dip.dip.dip eq www

Then I did a
write mem

But I still can't get to the web server.
The existing config as far as the smtp bits are concerned are:
access-list outside_acl permit tcp any host dip.dip.dip.dip eq smtp
static (inside,outside) dip.dip.dip.dip eip.eip.eip.eip netmask 255.255.255.255 0 0

I have used sip.sip.sip.sip to represent the IP address I am restricting to.
I don't fully understand the static bit, but I'm presuming its just a form of forwarding.
I have used eip.eip.eip.eip to represent the IP address of the Exchange server.

Thanks in advance
Mark
 
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About this solution

Zones: Network Software Firewalls, Enterprise Firewalls
Tags: pix, cisco, 506, imap
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Solution Provided By: Quetzal
Participating Experts: 3
Solution Grade: B
 
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