Pix 501

[harris-ross]

I have recently procured a pix 501 firewall, I have installed pix into my LAN with default config but I unable to access WWW, even though I can open websites using their IP addresses. Please see below my running config. Please somebody help me. Thanks

PIX Version 6.3(3)

interface ethernet0 auto

interface ethernet1 100full

nameif ethernet0 outside security0

nameif ethernet1 inside security100

enable password xxxx

passwd xxxx

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

pager lines 24

mtu outside 1500

mtu inside 1500

ip address outside dhcp setroute

ip address inside 10.0.0.1 255.255.255.0

ip audit info action alarm

ip audit attack action alarm

pdm logging informational 100

pdm history enable

arp timeout 14400

global (outside) 1 interface

nat (inside) 1 0.0.0.0 0.0.0.0 0 0

timeout xlate 0:05:00

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 RADIUS protocol radius

aaa-server LOCAL protocol local

http server enable

http 10.0.0.0 255.255.255.0 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 address 10.0.0.2-10.0.0.33 inside

dhcpd lease 3600

dhcpd ping_timeout 750

dhcpd auto_config outside

dhcpd enable inside

terminal width 80

[mkhuber · Accepted solution]

have you tried adding external DNS servers to your DHCP pool?

dhcpd dns []

[harris-ross]

Thanks for your reply, I have added external dns, I have added my ISP's dns servers and no joy. But I have noticed that if I use the external dns servers on my hosts then I can get wwww. But I have an internal dns which I want my hosts to use and only query the root servers on the internet if and when required.

How do I make the pix not reqiure me to use external dns on my hosts??

Thanks

Tony

[mkhuber]

if your internal dns is on the same subnet as your dhcp scope, you caould point the dhcpd at the internal dns server instead of an external one. And if your DNS server is set up properly it will query a root dns server when it does not find an entry internally.

HOpe that helps