Firewall Wizards mailing list archives

Re: Cisco PIX 501 Port Redirection Problem


From: Dave <firewall () dsrtech com>
Date: Fri, 03 Sep 2004 23:39:49 -0400


your config looks find. you may want to nmap your local hosts and ensure
the server ports you are attempting to connect to through the pix are
actually open.

other than that look on Cisco for any bug with the use of names in ACLs
and named ACLs.


On Fri, 2004-09-03 at 17:05, Robert McIntosh wrote:
My apologies for my newbie-status.  Changed passwords (whoops) and 
followed suggestions.  Still no pass through on any of the redirected 
ports, "connection refused".  I'm willing to cough up some change($40) 
to someone who can solve my dilemma.  Simply trying to allow ports 80, 
443, 995, 25, and 22 through to their respect private IPs.  What am I 
doing wrong?

Thanks everyone,
Robert
---
: Saved
: Written by robert at 06:53:19.745 PDT Fri Sep 3 2004
PIX Version 6.3(3)
interface ethernet0 auto
interface ethernet1 100full
nameif ethernet0 outside security0
nameif ethernet1 inside security100
hostname giggles
clock timezone PST -8
clock summer-time PDT recurring
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
name 10.0.0.7 europa
name 10.0.0.3 ganymede
access-list outside_in permit tcp any interface outside eq www
access-list outside_in permit tcp any interface outside eq https
access-list outside_in permit tcp any interface outside eq ssh
access-list outside_in permit tcp any interface outside eq smtp
access-list outside_in permit tcp any interface outside eq 995
pager lines 24
logging on
logging console informational
mtu outside 1500
mtu inside 1500
ip address outside dhcp setroute
ip address inside 10.0.0.6 255.255.255.0
ip audit info action alarm
ip audit attack action alarm
pdm location 10.0.0.0 255.255.255.255 inside
pdm location ganymede 255.255.255.255 inside
pdm location europa 255.255.255.255 inside
pdm logging informational 100
pdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 1 10.0.0.0 255.255.255.0 0 0
static (inside,outside) tcp interface https europa https netmask 
255.255.255.255 0 0
static (inside,outside) tcp interface ssh europa ssh netmask 
255.255.255.255 0 0
static (inside,outside) tcp interface smtp ganymede smtp netmask 
255.255.255.255 0 0
static (inside,outside) tcp interface 995 ganymede 995 netmask 
255.255.255.255 0 0
static (inside,outside) tcp interface www europa www netmask 
255.255.255.255 0 0
access-group outside_in in interface outside
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
aaa authentication enable console LOCAL
aaa authentication ssh console 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 10.0.0.0 255.255.255.0 inside
ssh timeout 45
console timeout 0
dhcpd address europa-10.0.0.134 inside
dhcpd lease 3600
dhcpd ping_timeout 750
dhcpd auto_config outside
dhcpd enable inside
terminal width 80
banner motd Welcome to giggles.
Cryptochecksum:c468c328ce47b4f0df0f96a63683ca11


Mark R. wrote:

Robert,

Your problem looks to be in the access list that is
assigned to the outside interface (access-list
outside_access_in).  

The syntax of the acl allowing www access to europa is
incorrect, also, the remaining lines to allow access
for https, smtp, and ssh are missing. 

It should read as follows:

access-list outside_access_in permit tcp any interface
outside eq www

access-list outside_access_in permit tcp any interface
outside eq https

access-list outside_access_in permit tcp any interface
outside eq ssh

access-list outside_access_in permit tcp any interface
outside eq smtp

access-list outside_access_in permit tcp any interface
outside eq 995

On a side note, I would suggest that you remove
usernames and passwords from configs before you paste
them.

hth,

Mark

 

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