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Home > Archive > CCNP > June 2002 > Cisco PIX config with SOHO DSL
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Cisco PIX config with SOHO DSL
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| alany 2002-06-16, 10:07 am |
| Has anyone tried configuring Cisco PIX 501 for SOHO security?
I need help.
Most of the examples on the net requires a router, but I do not have a router. It seems like you have to have a router to config the Cisco PIX firewall. Sonicwall and Netscreen SOHO do not require a router... so I thought Cisco PIX would be the same.
If you've configured the PIX 501 at home or in a small office setting, please help me by providing the configuration examples and tools/sites that you use to guide you.
I would very much appreciate your feedback.
Kindly,
Alan | |
| wirechild 2002-06-16, 8:15 pm |
| I setup at least three with both cable modem and DSL modem. I only used pix 501 and modem, no router needed for my situations. However, this may not be the case with all providers. Here is one sample config from a pix 501 connected to a cable modem:
pixfirewall# write t
Building configuration...
: Saved
:
PIX Version 6.1(2)
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password 8Ry2YjIyt7RRXU24 encrypted
passwd 22am1Rp.8H1jinaL encrypted
hostname pixfirewall
domain-name ciscopix.com
fixup protocol ftp 21
fixup protocol http 80
fixup protocol h323 1720
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol sip 5060
fixup protocol skinny 2000
names
access-list 101 permit tcp any any eq smtp
access-list 101 permit tcp any any eq www
pager lines 24
interface ethernet0 10baset
interface ethernet1 10full
mtu outside 1500
mtu inside 1500
ip address outside dhcp
ip address inside 192.168.0.1 255.255.255.0
ip audit info action alarm
ip audit attack action alarm
pdm location 192.168.0.5 255.255.255.255 inside
pdm location 192.168.0.10 255.255.255.255 inside
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
static (inside,outside) tcp interface smtp 192.168.0.5 smtp netmask 255.255.255.255 0 0
static (inside,outside) tcp interface www 192.168.0.5 www netmask 255.255.255.255 0 0
access-group 101 in interface outside
route outside 0.0.0.0 0.0.0.0 24.144.18.1 1
timeout xlate 0:05:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h323 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
http server enable
http 192.168.0.0 255.255.255.0 inside
snmp-server host inside 192.168.0.10 poll
snmp-server location Home
snmp-server contact Jack
snmp-server community public
no snmp-server enable traps
floodguard enable
no sysopt route dnat
telnet 192.168.0.0 255.255.255.0 inside
telnet timeout 5
ssh timeout 5
dhcpd address 192.168.0.100-192.168.0.110 inside
dhcpd lease 3600
dhcpd ping_timeout 750
dhcpd auto_config outside
dhcpd enable inside
terminal width 80
Cryptochecksum:18cb1e4234d3b23
f546ccf9c29d023a4
: end
[OK]
pixfirewall#
Watch for the word wrap, but you should at least get the idea. | |
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| Awesome... Thanks so much for sharing insights... I'm really surprised that examnotes.net does not have a forum for Cisco Security, which in my opinion is better than Sonicwall and Netscreen combined. Check Point is a software-based firewall so making a comparison with Check Point would do no justice for neither company. The configuration, especially the NATting portion, is quite different from Check Point where it is a one-to-one address translation. Cisco you can do multiple or global. In Check Point NG, you can do reverse NAT which I think is an awesome feature...
I'm going to give this a shot... I've screwed up the configuration and now I have to reset the firewall to its factory setting. Do you know how to do this? Not much materials are available for PIX so it's harder to get answers to some of the problems that I'm facing... I accept the challenge though.
Also, do you know how to eliminate the "routing" entries that are shown when typing "#show route"? Thanks in advance.
Back to reading... a lot to read since today is my first day firing up the PIX. I love it...
Thanks again! | |
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| alany 2002-06-18, 12:29 am |
| Thanks mikop...
clear route will not erase the "CONNECT" route... how can I erase all the routing entries and start over.
My config is sort of messy right now so I need to clean it up...
Thanks for your help. | |
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