[c-nsp] Pix DSL problem

Baker Gareth Gareth.Baker at hullcc.gov.uk
Wed Oct 20 11:34:35 EDT 2004


Josh, I tried the out of the box config, thus:

PIX Version 6.3(3)
interface ethernet0 auto
interface ethernet1 100full
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password [removed] encrypted
passwd [removed] 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
pager lines 24
mtu outside 1500
mtu inside 1500
ip address outside dhcp setroute
ip address inside 192.168.1.1 255.255.255.0
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 192.168.1.0 255.255.255.0 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 192.168.1.2-192.168.1.33 inside dhcpd lease 3600 dhcpd
ping_timeout 750 dhcpd auto_config outside dhcpd enable inside terminal
width 80


-----Original Message-----
From: Josh Duffek [mailto:consultantjd16 at ridemetro.org] 
Sent: 20 October 2004 16:07
To: Baker Gareth; cisco-nsp at puck.nether.net
Subject: RE: [c-nsp] Pix DSL problem


Need to see the config.

josh duffek    network engineer
consultantjd16 at ridemetro.org
desk:              713-739-4849
mobile:            713-291-2365

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Baker Gareth
> Sent: Wednesday, October 20, 2004 9:49 AM
> To: 'cisco-nsp at puck.nether.net'
> Subject: [c-nsp] Pix DSL problem
> 
> Hi
> 
> I'm having problems getting a Pix 501 to work over DSL.
> 
> I'm using a Dlink DSL 300T Adsl Modem connected to the Pix's outside
> interface. The DSL connection is using Dynamic IP allocation and the
PIX
> is
> setup to use 'outside interface dhcp setroute'.
> 
> The 501 comes pre-configured to work in this setup. I see it get an IP
> address and a 'show route' reveals that it successfully receives an IP
and
> the default route is the outside interface. But no traffic gets to the
> outside interface (I did a debug packet outside and never saw any
traffic
> from an internal PC)
> 
> If I manually configure the dynamic IP to the outside interface & give
a
> default route as listed in the log on the DSL modem it works fine. The
> problem seems to be related to the Gateway and the way this is passed
via
> DHCP.
> 
> I've done a bit of digging and this seems to be an accepted practise
using
> a
> Pix 501 with DHCP on the outside through DSL modem.
> 
> Anyone any ideas?
> 
> 
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> https://puck.nether.net/mailman/listinfo/cisco-nsp
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-----Original Message-----
From: Josh Duffek [mailto:consultantjd16 at ridemetro.org] 
Sent: 20 October 2004 16:07
To: Baker Gareth; cisco-nsp at puck.nether.net
Subject: RE: [c-nsp] Pix DSL problem


Need to see the config.

josh duffek    network engineer
consultantjd16 at ridemetro.org
desk:              713-739-4849
mobile:            713-291-2365

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp- 
> bounces at puck.nether.net] On Behalf Of Baker Gareth
> Sent: Wednesday, October 20, 2004 9:49 AM
> To: 'cisco-nsp at puck.nether.net'
> Subject: [c-nsp] Pix DSL problem
> 
> Hi
> 
> I'm having problems getting a Pix 501 to work over DSL.
> 
> I'm using a Dlink DSL 300T Adsl Modem connected to the Pix's outside 
> interface. The DSL connection is using Dynamic IP allocation and the
PIX
> is
> setup to use 'outside interface dhcp setroute'.
> 
> The 501 comes pre-configured to work in this setup. I see it get an IP 
> address and a 'show route' reveals that it successfully receives an IP
and
> the default route is the outside interface. But no traffic gets to the 
> outside interface (I did a debug packet outside and never saw any
traffic
> from an internal PC)
> 
> If I manually configure the dynamic IP to the outside interface & give
a
> default route as listed in the log on the DSL modem it works fine. The 
> problem seems to be related to the Gateway and the way this is passed
via
> DHCP.
> 
> I've done a bit of digging and this seems to be an accepted practise
using
> a
> Pix 501 with DHCP on the outside through DSL modem.
> 
> Anyone any ideas?
> 
> 
> **********************************************************************
> This email and any files transmitted with it are confidential and 
> intended solely for the use of the individual or entity to whom they 
> are addressed. If you have received this email in error please notify 
> the system manager.
> 
> This footnote also confirms that this email message has been swept by 
> MIMEsweeper for the presence of computer viruses.
> 
> www.mimesweeper.com
> **********************************************************************
> 
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net 
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/


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