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Inside access list pix 515

Posted on 2006-06-23
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Last Modified: 2012-05-05
Hi all

Can someone tell me how to create an access list on the inside interface on a pix 515 ?
The pix only has 2 interfaces , inside and outside
I only want to allow the following out from the lan network address of 10.0.0.0 255.255.254.0  but deny everything else


25
110
443
80
8080
msn messenger
21
ipsec/isakmp

 
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Question by:netcentraltech
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6 Comments
 
LVL 25

Expert Comment

by:Ron Malmstead
ID: 16972691
>config t

access-list acl_out permit tcp any host {outsideIPaddress} eq 8080
access-list acl_out permit tcp any host {outsideIPaddress} eq 80
access-list acl_out permit tcp any host {outsideIPaddress} eq 443
access-list acl_out permit tcp any host {outsideIPaddress} eq 21
access-list acl_out permit tcp any host {outsideIPaddress} eq 110
access-list acl_out permit tcp any host {outsideIPaddress} eq 25
access-list acl_out permit tcp any host {outsideIPaddress} eq 8080
access-group acl_out in interface outside
sysopt connection permit-ipsec
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LVL 25

Expert Comment

by:Ron Malmstead
ID: 16972694
PS: not sure about msn messenger port
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Expert Comment

by:abarneslouortho
ID: 16972719
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LVL 79

Accepted Solution

by:
lrmoore earned 200 total points
ID: 16975477
Given that you want to restrict outgoing connections, not incomming, the acl gets applied to the inside interface:

access-list OUTBOUND permit tcp 10.0.0.0 255.255.254.0 any eq http
access-list OUTBOUND permit tcp 10.0.0.0 255.255.254.0 any eq 8080
access-list OUTBOUND permit tcp 10.0.0.0 255.255.254.0 any eq https
access-list OUTBOUND permit tcp 10.0.0.0 255.255.254.0 any eq smtp
access-list OUTBOUND permit tcp 10.0.0.0 255.255.254.0 any eq pop3
access-list OUTBOUND permit tcp 10.0.0.0 255.255.254.0 any eq ftp
access-list OUTBOUND permit tcp 10.0.0.0 255.255.254.0 any eq ftp-data
access-list OUTBOUND permit udp 10.0.0.0 255.255.254.0 any eq isakmp
access-list OUTBOUND permit esp 10.0.0.0 255.255.254.0 any  <== IPSEC
access-list OUTBOUND permit udp 10.0.0.0 255.255.254.0 any eq 4500 <== to support nat-t over IPSEC
access-list OUTBOUND permit udp 10.0.0.0 255.255.254.0 any eq 53  <== don't forget DNS!
access-list OUTBOUND remark MSN Msssenger:
access-list OUTBOUND permit udp 10.0.0.0 255.255.254.0 any gt 5004
access-list OUTBOUND permit tcp 10.0.0.0 255.255.254.0 any eq 1863
access-list OUTBOUND permit udp 10.0.0.0 255.255.254.0 any eq 1503
access-list OUTBOUND permit udp 10.0.0.0 255.255.254.0 any range 6891-6900
access-group OUTBOUND in interface inside

I think that get's all of MSN Messenger, but you can watch the logs and see if any particular port is getting blocked and just add it to the list ..


 
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Author Comment

by:netcentraltech
ID: 17035776
Sir
Thank you. Sorry for the delay but I have been away from my work station for the past few days.
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