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7.6

Pix Firewall configuration

Asked by jjeff1 in Network Routers

Tags: pix, ping, through, firewall

I  currently have an internet connection via a T-1. We have a class C of public addresses. All my workstations use public addresses and security is handled by an access list on the router. I now want to replace the access list with a Pix Firewall. So the inside interface on the pix gets the same address as the current router and becomes my default gateway (not a problem because the existing router is only on the outside interface).
But it does not work, I am having a variety of problems trying to pass traffic through the PIX, and intermittantly, devices on the inside cannot ping the PIX.  Suggestions?
Basically my goal here is to install the PIX without having to renumber all my workstations. I don't think that should be a problem.

Here is the config. The first 3 octets have been changed to protect the existing network.

PIX Version 5.2(1)
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password RlML4N encrypted
passwd 1LU4Xl encrypted
hostname mypix
fixup protocol ftp 21
fixup protocol http 80
fixup protocol h323 1720
fixup protocol rsh 514
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol sip 5060
names
no pager
logging on
no logging timestamp
no logging standby
no logging console
logging monitor debugging
logging buffered debugging
logging trap warnings
logging history warnings
logging facility 20
logging queue 512
interface ethernet0 auto
interface ethernet1 auto
mtu outside 1500
mtu inside 1500
ip address outside 201.202.203.6 255.255.255.0
ip address inside 201.202.203.1 255.255.255.0
ip audit info action alarm
ip audit attack action alarm
arp timeout 14400
static (inside,outside) 201.202.203.0 201.202.203.0 netmask 255.255.255.0 0 0
conduit permit tcp host 201.202.203.11 eq domain any
conduit permit udp host 201.202.203.11 eq domain any
conduit permit tcp host 201.202.203.31 eq smtp any
conduit permit tcp host 201.202.203.32 eq smtp any
conduit permit tcp host 201.202.203.32 eq pop3 any
conduit permit tcp host 201.202.203.31 eq pop3 any
conduit permit icmp any any
conduit permit ip host 201.202.203.50 any
route outside 0.0.0.0 0.0.0.0 201.202.203.1 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h323 0:05:00 si
p 0:30:00 sip_media 0:02:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server RADIUS protocol radius
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
no floodguard enable
no sysopt route dnat
isakmp identity hostname
telnet 201.202.203.0 255.255.255.0 inside
telnet timeout 8
ssh timeout 5
terminal width 80
Cryptochecksum:ba8e458757b78b0

 
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About this solution

Zone: Network Routers
Tags: pix, ping, through, firewall
Sign Up Now!
Solution Provided By: lrmoore
Participating Experts: 6
Solution Grade: B
 
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