Allowing access from inside specific subnet to outside/Internet PIX 515e

Posted on 2006-05-13
Last Modified: 2010-04-09
Hey Experts, I have a question on the PIX 515e 6.3.5. I want to allow – 254to route to the Internet. Thanks for your help in advance.


Building configuration...
: Saved
PIX Version 6.3(5)
interface ethernet0 auto
interface ethernet1 auto
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password XXXX
passwd XXXX encrypted
hostname STPaulPix
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
no fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
name Exchange
name SRV2
access-list outside permit tcp any host eq www
access-list outside permit tcp any host eq https
access-list outside permit tcp any host eq smtp
access-list outside permit tcp any host eq pop3
access-list outside permit tcp any host eq 3389
access-list outside permit tcp any host eq pptp
access-list outside permit tcp any host eq 3389
access-list outside permit tcp any host eq 3389
access-list inside_access_in permit ip host Exchange any
access-list inside_access_in permit ip host any
access-list inside_access_in permit ip host any
access-list inside_access_in permit ip host any
access-list inside_access_in permit ip host any
pager lines 24
mtu outside 1500
mtu inside 1500
ip address outside
ip address inside
ip audit info action alarm
ip audit attack action alarm
pdm location inside
pdm location Exchange inside
pdm location SRV2 inside
pdm location inside
pdm logging informational 100
pdm history enable
arp timeout 14400
nat (inside) 1 0 0
static (inside,outside) Exchange netmask 0 0
static (inside,outside) SRV2 netmask 0 0
static (inside,outside) netmask 0 0
access-group outside in interface outside
route outside 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout sip-disconnect 0:02:00 sip-invite 0:03:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server TACACS+ deadtime 10
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server LOCAL protocol local
http server enable
http inside
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
floodguard enable
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd lease 3600
dhcpd ping_timeout 750
dhcpd auto_config outside
terminal width 80
: end

Question by:hxtr
    LVL 2

    Author Comment

    I will add anther 500 points if someone can answer this by Sunday 10PM.
    LVL 51

    Accepted Solution

    Your NAT 1 is enabling for everyone; are you trying to restrict to just the subnet?
    Also, didn't see a matching Global command

    global (outside) 1 interface
    NAT (inside) 1

    your inside access list is doing nothing for you.

    LVL 2

    Author Comment

    global (outside) 1  netmask
    nat (inside) 1
    I got it.....
    LVL 51

    Expert Comment

    by:Keith Alabaster
    :) Have a good 'rest of the weekend'
    LVL 2

    Author Comment

    Thanks guys.... i wanted to figure it out myself.. and i did.. but you all came thourgh.. Asome.... Thank you very much. Sorry i am unable to add more points.
    LVL 51

    Expert Comment

    by:Keith Alabaster
    Not a problem at all; the points are for laughs only really and a tad of competition of course....

    If you wished, you canuse the interface keyword
    global (outside) 1 interface

    This puts the outside interface (ip & mask) in for you rather than having to type it all.


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