07-06-2005 12:43 PM - edited 02-21-2020 12:15 AM
I am trying to set up a PIX in a test environment and cannot get it to do what I am wanting. I have a PIX515E with 4 interfaces, outside, inside, Net1 and Net2. This is going to go in a branch location that has 2 vlan's 199.8.108.0 and 199.8.109.0. I am wanting to assign an ip address of 199.8.108.254 to Net1 and 199.8.109.254 to Net2. The outside interface IP address will be assigned by the ISP. For right now I will not have anything on the connected to he inside interface (I will be using this for future server protection). I basically want the firwall in place for vpn connections with my PIX525 at the main location. I want the PIX515E completly open between Net1 and Net2 as well as the outside world. Sounds simple .... but I cannot get it to work for the life of me. Could someone post a simple config that should do what I want it to do?
07-06-2005 11:52 PM
Hi,
are you already using PIX v7?
If you are, assign the outside, net1 and net2 the same security level.
Then apply this command:
same-security-traffic permit inter-interface.
This should allow the traffic. Please be aware of the fact this config open your firewall completely between the 3 networks. Don't forget to assign the inside interface a higher security level.
Hope this helps.
Kind Regards,
Tom
07-07-2005 08:36 AM
Here is what I have for a configuration file:
PIX Version 6.3(4)
interface ethernet0 100full
interface ethernet1 100full
interface ethernet2 100full
interface ethernet3 100full
interface ethernet4 auto shutdown
interface ethernet5 auto shutdown
nameif ethernet0 outside security0
nameif ethernet1 inside security100
nameif ethernet2 Net1 security51
nameif ethernet3 Net2 security50
nameif ethernet4 intf4 security8
nameif ethernet5 intf5 security10
enable password XXXXXXXXXXXXX encrypted
passwd XXXXXXXXXXXXXXXX encrypted
hostname pixfirewall
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
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
names
access-list Net1 permit ip any any
access-list Net1 permit icmp any any
access-list Net2 permit ip any any
access-list Net2 permit icmp any any
access-list outside permit ip any any
access-list outside permit icmp any any
pager lines 24
mtu outside 1500
mtu inside 1500
mtu Net1 1500
mtu Net2 1500
mtu intf4 1500
mtu intf5 1500
ip address outside 159.x.x.x.255.255.0
ip address inside 159.x.x.x.255.255.0
ip address Net1 159.218.x.x 255.255.255.0
ip address Net2 159.218.x.x.255.255.0
no ip address intf4
no ip address intf5
ip audit info action alarm
ip audit attack action alarm
no failover
failover timeout 0:00:00
failover poll 15
no failover ip address outside
no failover ip address inside
no failover ip address Net1
no failover ip address Net2
no failover ip address intf4
no failover ip address intf5
pdm history enable
arp timeout 14400
static (Net1,outside) 159.x.x.0 159.218.42.0 netmask 255.255.255.0 0 0
static (Net2,outside) 159.x.x.x.218.44.0 netmask 255.255.255.0 0 0
access-group outside in interface outside
access-group Net1 in interface Net1
access-group Net2 in interface Net2
route outside 0.0.0.0 0.0.x.x.x.45.254 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 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
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
terminal width 80
Cryptochecksum:xxx
: end
If I ping from the outside interface I can ping the router (159.x.x.254) and internet addresses. But, I cannot ping the outside interface from Net1 or Net2, nor can I ping anything off of its network. I have 42.254 and 44.254 set up on my router and I cannot ping these from Net1 or Net2 either.
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